MICROCHIP DS50003220A Touch Bridge Kit User Guide

User Guide for MICROCHIP models including: DS50003220A, DS50003220A Touch Bridge Kit, Touch Bridge Kit, Bridge Kit

Microchip Touch Bridge Kit User Guide

The Microchip Touch Bridge (MTB) - EV96R35A - is a tuning bridge for touch designs offering wired (USB) and wireless (BT) touch tuning. The MTB will be the bridge for all touch solutions from Microchip, from turnkey touch products to MCUs running Microchips touch library..-Touch turnkey products families (MTCH, CAP, AT42QT).-Touch library solutions covering PIC, AVR, SAM, PIC32 MCUs

Microchip, DS-50003220, DS50003220, 50003220, touch, bridge, touch bridge, MTB, EV96R35A, wireless

Microchip Technology Inc.

Microchip Touch Bridge Kit User Guide

Microchip Touch Bridge Kit User Guide ... Firmware User Guide. ... X IDE: MPLAB X IDE is a software program that runs on a PC (Windows , Mac OS , Linux ).

The RN4678 is a fully certified Bluetooth Dual Mode (BR/EDR/LE) module, enabling easy-to-use classic Bluetooth and Bluetooth Smart capability. In the MTB ...

Jumper J2 Short PIN 1-2 Short PIN 2-3 Short PIN 1-2 Jumper J4 Short PIN 3-4 Open PIN 3-4 Open PIN 3-4 EXTV. DD - EXTV. DD. to J4 Pin 3 and GND Pin 19 EXTV

File Info : application/pdf, 31 Pages, 8.22MB

TouchBridgeKit-UserGuide-DS50003220

Microchip Touch Bridge Kit
Microchip Touch Bridge Kit User Guide
Preface
Important: Notice to customers All documentation becomes dated, and this manual is no exception. Microchip tools and documentation are constantly evolving to meet customer needs, so some actual dialogs and/or tool descriptions may differ from those in this document. Refer to our website (www.microchip.com) to obtain the latest documentation available. Documents are identified with a "DS" number. This number is located on the bottom of each page, in front of the page number. The numbering convention for the DS number is "DSXXXXXA", where "XXXXX" is the document number and "A" is the revision level of the document. For the most up-to-date information on development tools, see the MPLAB® IDE online help. Select the Help menu and then Topics to open a list of available online help files.
The Microchip Touch Bridge (MTB) - EV96R35A - is a tuning bridge for touch designs offering wired (USB) and wireless Bluetooth® (BT) touch tuning. The MTB will be the bridge for all touch solutions from Microchip, from turnkey touch products to MCUs running Microchip's touch library.
· Touch turnkey products families (MTCH, CAP and AT42QT) · Touch library solutions covering PIC®, AVR®, SAM and PIC32 MCUs The Microchip Touch Bridge firmware is provided through MPLAB Discover and upgraded in features.

User Guide

DS50003220A-page 1

Microchip Touch Bridge Kit
Table of Contents
Preface........................................................................................................................................................... 1 1. Introduction............................................................................................................................................. 3
1.1. Features and Overview................................................................................................................ 3 2. Getting Started........................................................................................................................................ 4
2.1. Quick Start....................................................................................................................................4 3. Microchip Touch Bridge...........................................................................................................................5
3.1. Power Supply............................................................................................................................... 5 3.2. Jumper Selection..........................................................................................................................6 3.3. Host MCU.....................................................................................................................................7 3.4. Communication............................................................................................................................ 7 3.5. Mode Selection.............................................................................................................................8 3.6. Firmware User Guide................................................................................................................. 10 4. LEDs..................................................................................................................................................... 17 5. Microchip Touch Bridge Extension Header........................................................................................... 18 5.1. MCP2221 Header ......................................................................................................................18 6. Documentation and Relevant Links...................................................................................................... 20 7. Schematic............................................................................................................................................. 21 8. Hardware Revision History and Known Issues .................................................................................... 24 8.1. Identifying Product ID and Revision .......................................................................................... 24 9. Revision 4............................................................................................................................................. 25 10. Revision History.................................................................................................................................... 26 The Microchip Website.................................................................................................................................27 Product Change Notification Service............................................................................................................27 Customer Support........................................................................................................................................ 27 Product Identification System.......................................................................................................................28 Microchip Devices Code Protection Feature................................................................................................ 28 Legal Notice................................................................................................................................................. 28 Trademarks.................................................................................................................................................. 29 Quality Management System....................................................................................................................... 30 Worldwide Sales and Service.......................................................................................................................31

User Guide

DS50003220A-page 2

Microchip Touch Bridge Kit
Introduction
1. Introduction
1.1 Features and Overview
· Input Supply Range 1.8-5V · Built-in Bluetooth® RN4678 Module · ATSAMD21 Programmable Host Device · Level Shifter between Host MCU and External Touch Devices to Enable Tuning on All Voltage Rails · Communication Supports to PC for Visualization:
USB Bluetooth · Communication Ports to Target Device: UART SPI I2C GPIO · Header to Connect Target Board · Header Option to the Kit as MCP2221A Breakout Module · LEDs for Comm's Status

User Guide

DS50003220A-page 3

2. Getting Started
2.1 Quick Start
RN4678 Bluetooth® Module Status LEDs

Microchip Touch Bridge Kit
Getting Started

USB

Power Supply Selection

Power Status LED 20-Pin MTB Header

SWD Header Mode Select Switch

SAMD21 Host MCU

Option for MCP2221 Header
User Guide

DS50003220A-page 4

Microchip Touch Bridge Kit
Microchip Touch Bridge

3. Microchip Touch Bridge
The Microchip Touch Bridge (MTB) is the universal bridge for all Microchip touch solutions, including turnkey products and touch library-based applications on MCUs. A bridge is used during the development process to read out raw data and adjust settings accordingly.
For data visualization and real-time tuning, use the MPLAB Data Visualizer.
Use the links below to find training videos and step-by-step guides:
· MPLAB Discover · Microchip Developer Help (restricted access)

3.1 Power Supply
The board can be powered alternatively through:
· USB power · External power source
The supply connector switch J2 offers both options.
The MTB has a boost converter (MCP1642B-ADJI/MS) which generates a constant output voltage of 5V with varying input from 1.8V to 5V as well as a buck converter (MIC23201) which will convert 5V down to 3.3V on targeted sections.
Power Supply Block Diagram

External Supply 1.8 5V

Boost Converter Output -5V

Peripherals

USB Power 5V

Power Select (Jumper)

Buck Converter Output -3.3V

Host MCU (SAMD21)

Power source Power switch Power converter Power consume

RN4678 BLE Module

User Guide

DS50003220A-page 5

Microchip Touch Bridge Kit
Microchip Touch Bridge
3.2 Jumper Selection
Make sure that the selected power supply between the V-USB and EXT VDD and the board jumper configuration are combined, as shown in the image below.
J2
J4

Header J2 PIN 1-2 J2 PIN 2-3 J4 PIN 3-4
Power Supply Selection USB Powered Bridge and Target

INPUT SUPPLY = VUSD Short Open Short

INPUT SUPPLY = EXTVDD Open Short Open

External Supply Powered Bridge and Target

J2 J4

J2 J4 1.8 -5V

GND

External power source

When powering the MTB from a USB source, When powering the MTB from an external source (with a supply

insert JS1 between J2 header Pin1-2 and insert voltage of 1.8-5V), feed to J4 Pin:3 and supply GND to Pin:19. Do

JS2 between J4 header Pin 3-4

not place jumper JS2.

USB Supply to Bridge and Target Board

External Supply to Bridge and Target Board

USB Supply to Bridge and External Supply to
Target Board

User Guide

DS50003220A-page 6

Jumper J2 Jumper J4
EXTVDD

Short PIN 1-2 Short PIN 3-4
-

Microchip Touch Bridge Kit
Microchip Touch Bridge

Short PIN 2-3 Open PIN 3-4 EXTVDD to J4 Pin 3 and GND Pin 19

Short PIN 1-2 Open PIN 3-4 EXTVDD to J4 Pin 3 and GND Pin 19

3.3 Host MCU
SAMD21J18 is a flexible, easy-to-use, low-power consumption Microchip SAM D21 Arm® Cortex®-M0+ based microcontroller and the ideal host controller for the MTB. It drives all supported communication protocols from the client and transfers data to the PC side and vice versa. Host firmware can be programmed to SAMD21 using drag and drop programming. Connect the MTB via USB to a Windows® 10 PC and drop a .hex file onto the created drive for drag and drop programming. Alternatively, use an MCHP external debugger like Power debugger, Atmel-ICE via SWD header J1.

Use MPLAB Discover to download the latest firmware for the MTB with features added by Microchip over time.

Figure 3-1. Block Diagram USB

5V USB

Bridge Board

LDO

Switch

3.3V Line

Buck Boost Converter

1.8~5V

1.8~5V Line

1.8~5V
Touch Sensing Board

Bluetooth® Module

UART

SAM D21

3.3V

3.3V UART

UART/I2C/SPI GPIOs

Level Translator

UART/I2C/SPI GPIOs

3.3V

1.8~5V

Touch Sensing
MCU

Optional bypass (only if touch IC is 3.3V)

UART

3.4
3.4.1

Communication
Communication to PC Bluetooth®
The RN4678 is a fully certified Bluetooth Dual Mode (BR/EDR/LE) module, enabling easy-to-use classic Bluetooth and Bluetooth Smart capability. In the MTB Standard UART interface at 115200, the baud rate is set to send and receive data to the RN4678 Bluetooth module. With the default firmware, the RN4678 Bluetooth module will connect to any PC with these settings without the need for flow control.
USB
The USB peripheral support in the SAMD21 device offers both peripheral device and embedded Host modes having eight endpoints/pipes (each address having one input and one output endpoint). The USB peripheral uses Direct Memory Access (DMA), which reads and writes to the internal SRAM during a USB transaction without CPU intervention to optimize the endpoint/pipe data transfers. In addition, the USB peripheral also has support for ping-pong operation and multi-packet transfers, reducing the number of software interventions and interruptions required to manage a USB transaction.

User Guide

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Microchip Touch Bridge Kit
Microchip Touch Bridge

3.4.2

Communication to Host MCU
Various communication protocols like UART, I2C, SPI and GPIO lines are available on the MTB to transmit and receive data from the client-side Touch MCUs.

Communication I2C
UART SPI
I/O Pin

Pin Name SDA SCL TXD RXD MISO SS SCK MOSI
GPIO 1 GPIO 2 GPIO 3 GPIO 4

HOST MCU Pin PA08 PA09 PA22 PA23 PA19 PA18 PA17 PA16 PB10 PB12 PB15 PA13

3.5
3.5.1

Mode Selection

Mode of Operation
Select the Application mode by using the switch settings (Mode Selector switch). Change the switch settings as needed and power up the board.

Switch Mode SW4 SW3 SW2 SW1 Mode of Operation Bluetooth USB COM USB MSD CAP Bridge

OFF OFF OFF OFF UART Bypass-9600

OFF OFF OFF ON UART Bypass-19200

OFF OFF ON OFF UART Bypass-38400

OFF OFF ON ON UART Bypass-115200

OFF ON OFF OFF UART Bypass-9600

OFF ON OFF ON UART Bypass-19200

OFF ON ON OFF UART Bypass-38400

OFF ON ON ON UART Bypass-115200

ON OFF OFF OFF

Reserved

ON OFF OFF ON

Reserved

ON OFF ON OFF

Reserved

ON OFF ON ON

Reserved

ON ON OFF OFF

Reserved

ON ON OFF ON

Test mode

ON ON ON OFF

Cap Bridge

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DS50003220A-page 8

Microchip Touch Bridge Kit
Microchip Touch Bridge

ON ON ON ON

Bootloader

3.5.1.1

Notes:
1. The bootloader is never bypassed. So, if there is no valid application present in the application region of Flash, the control remains in Bootloading until a valid .hex file is dropped.
2. A power recycle is required after changing a Mode Select, implying that after choosing a Mode Select, first open, then short the J2 Pin Jumper.
UART Bypass Mode In UART Bypass mode, the data on the Header UART lines are transmitted to the PC through USB or Bluetooth. The baud rate mentioned in the table applies only to the interface between the bridge board and the target device. The baud rate for USB-CDC and Bluetooth is always 115200. The default firmware will either send data through USB or Bluetooth as selected by the user (see 3.5.1. Mode of Operation overview for more information), not through both simultaneously, preventing any race condition of data written from PC to client device. The data received are sent to the PC without processing.

C
O
M
PC P
O
R T

U S B
B L E

E U

Bridge Board

A D

A R

E T

Touch Device

3.5.1.2

CAP Turnkey Products Bridge Mode
In this mode, the USB interface of the Microchip Touch Bridge board can talk to CAP1xxx GUI and CAP1xxx touch devices.

FD L R
PC A I S V H E

U S B
B L E

Bridge Board

E A D E

I 2 C

CAP1XXX

3.5.1.3

Bootloader Mode
In this mode, the USB interface of Microchip Touch Bridge acts like a USB Flash drive. The user can copy the .hex file to this drive which will upgrade the application firmware of Microchip Touch Bridge. Refer to 3.6.1.1. Flash Memory for more information.

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DS50003220A-page 9

FLASH DRIVE

COM PORT

Microchip Touch Bridge Kit
Microchip Touch Bridge

U S B
B L E

Bridge Board

H E A D E R

3.6 Firmware User Guide
All information provided in this chapter enables users to build bridge firmware for MTB usage beyond touch. Consider that the bridge firmware provided by Microchip covers all these aspects and details. For using the MTB as a touch tuning bridge, skip to 4. LEDs.
Both Application and Bootloader are based on the Harmony 3 framework for device configuration and communication drivers.

3.6.1 3.6.1.1

Bootloader When Bootloader mode is selected (see 3.5. Mode Selection for details), the USB enumerates as a standard USB Flash drive. It is possible to upgrade the application firmware by dragging and dropping the application .hex file.
Flash Memory The memory between Application and Bootloader is split as follows.

User Guide

DS50003220A-page 10

0x00000 0x0FFFF 0x10000

64 KB

Microchip Touch Bridge Kit
Microchip Touch Bridge
Bootloader

192 KB

Application

0x3FFFF

3.6.1.2 3.6.1.3

Overview Bootloader firmware uses the following primary modules:
· USB Mass Storage Device (MSD) Class · Hex Parser · Virtual File System · Drivers:
SERCOM UART for Bluetooth NVMCTRL
Harmony 3's USB MSD class is used. The file system used by USB MSD is implemented virtually for 1 MB size supporting the memory to drop .hex file for SAMD21 device.
The Virtual File System and Hex Parser code keep looking for .hex files from PC. If the user drops a .hex file, then the .hex file is parsed to extract the Flash memory content and written to Flash memory using NVMCTRL drivers. The status is updated continuously in the Bluetooth COMPORT at a 115200 baud rate.
Preparing Application Firmware When dropping the application firmware, build the application with ROM region starting address set at 0x10000. If the ROM Starting address is not set properly, then the programming will not work correctly.
Select the starting application address in H3 to 0x10000 in the "system" component as follows:

User Guide

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Microchip Touch Bridge Kit
Microchip Touch Bridge
3.6.1.4 Debug Output In Bootloader mode, the device sends various debug information on BLE COM PORT. The baud rate is 115200.
3.6.2 Touch Bridge Application 3.6.2.1 Firmware Components 3.6.2.1.1 USB
USB can enumerate in two interfaces, either CDC or CAPBridge. The descriptors are stored in two different files and depend on the 4-way switch status: switch mode 0-12 for CDC and CAP Bridge select switch mode 14 (refer to 3.5. Mode Selection table for more information). File usb_device_init_data_cdc.c contains the descriptors for CDC Interface and file usb_device_init_data_capBridge contains the descriptor details for CAP Bridge interface. Use the standard Harmony 3 USB CDC drivers for CDC configuration and USB enumeration. For CapBridge configuration, vendor class is used and vendor/product IDs are hardcoded to match the CAP1xxx PC software. The code related to USB CDC and CAPBridge is present in usbApp.c file.

User Guide

DS50003220A-page 12

Microchip Touch Bridge Kit
Microchip Touch Bridge
3.6.2.1.2 Bluetooth® Use the standard UART interface at a 115200 baud rate to talk to the RN4678 Bluetooth module. Flow control is not used in the default firmware.
3.6.2.1.3 Touch Device Interfaces Use the standard driver function from Harmony 3 for interfaces like I2C, SPI, UART and GPIO on the header side.
3.6.2.2 MTB Application Overview The figure below represents important blocks of the Bridge application.
3.6.2.2.1 pcComLayer This layer has two circular buffers: one to transmit data to the PC and another to receive data from the PC. A set of APIs accesses the circular buffers and can be used to write or read from both Transmit buffers. The pcComm layer is not used in CAPBridge mode. The pcComm layer is accessed by: · USB/BLE layer to: Write data to RX buffer Read data to TX buffer · Touch process (or Bypass mode) to: Write data to TX buffer Read data to RX buffer TX and RX terms are related to MCU.

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Microchip Touch Bridge Kit
Microchip Touch Bridge

3.6.2.2.2 Process Layer This layer changes dynamically depending on the mode. All the processing related to data is implemented in this layer.
For example, in UART Bypass mode, this layer copies data from the UART to the pcComm layer and vice-versa. In CAPBridge mode, this layer processes the commands received from CAP GUI and sends corresponding I2C commands to CAP devices.
If the bridge board is connected to a touch turnkey device (exemplary AT42QT2120), the memory map of the turnkey device is kept in this layer. It also contains the actual driver for the target device. In addition to that, this layer also contains the driver that talks to MPLAB Data Visualizer Touch Plug-in. This layer helps in receiving the data from the turnkey device and repacking the data before transmitting it to MPLAP Data Visualizer. Similarly, if the user modifies data or settings in Touch Plug-in (MPLAB DV GUI) they are sent to the target device through this layer.
The image below shows some examples of Process Layer. The possible combinations are not limited.

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Microchip Touch Bridge Kit
Microchip Touch Bridge

I²C I²C

3.6.2.2.3 USB The entire application related to the USB is implemented in the usbApp.c file.
In CDC mode:
· Copies data from the pcCOMM layer to the USB peripheral and performs the following steps: Checking for new data to be transmitted If new data is available in pcCOMM, that data is sent to PC
· Copies data from the USB peripheral to the pcCOMM buffer and performs the following steps: Checking for new data from PC If new data are received from PC, that data is copied to the pcCOMM buffer
In CAPBridge mode:
· USB interacts directly with the I2C drivers to read/write data to the CAP devices. The address and read/write instructions from the CAP GUI are directly routed to the I2C drivers. The capBridge.c files handle this part.
Other than the data transaction, the handling of USB connect/disconnect, COMPORT open/close, etc., are also handled in this layer.
3.6.2.2.4 Bluetooth® The entire application related to Bluetooth is implemented in the btApp.c file.
· Sends data from the pcCOMM layer to the RN4678 module Checks for new data to be transmitted If new data is available in pcCOMM, then it sends the data to the PC
· Copies data from the RN4678 module to the pcCOMM buffer Checks for new data from the PC If new data is received from the PC, it copies the data to pcCOMM buffer
Other than the data transaction, the handling of COMPORT open/close, etc., is also handled in this layer.
3.6.2.2.5 UART, I2C, SPI The blocks UART, I2C, SPI provide wrapper functionality to the Harmony 3 drives for simple communication with other layers.
3.6.2.2.6 LED There are four LEDs present on the board: · Blue · Red

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Microchip Touch Bridge Kit
Microchip Touch Bridge

· Green · Yellow
The firmware provides standard APIs to perform blink operations on Red, Green and Yellow LEDs. The Blue LED is controlled directly by Bluetooth.

3.6.2.2.7 Time Provides periodic interrupt for time reference, which proves useful if debug data from Touch turnkey parts needs to be read periodically.

3.6.2.3 File Overview Functionalities are kept in different files based on their purpose and for easier maintenance.

File Name

Category

Description

touchI2C.c Driver

A wrapper function is implemented on top of the H3 driver. Provides useable APIs to read/write to the I2C client device.

touchSPI.c Driver

A wrapper function is implemented on top of the H3 driver. Provides useable APIs to read/write to SPI client device.

touchUART.c Driver

A wrapper function is implemented on top of H3 driver. Provides useable APIs to read/write UART device.

pcComm

pcComm layer Provides a circular buffer for transferring data between multiple layers

btApp.c

Bluetooth layer Contains logic to interact with the RN4678 module. It uses a Standard H3 UART driver to data transfer with the RN4678 module.

usbApp.c

USB layer

Contains logic to interact with the USB Host. It uses a standard H3 USB driver to transfer data between Microchip touch bridge and PC Host.

capBridge.c Process layer Logic to route address, read/write commands from CAP GUI to CAP device is available in this layer

Uartbypass.c Process layer Bridges UART data between the USB/Bluetooth and Header

at42qt2120.c Process layer Contains all the information and drivers related to AT42QT2120

User Guide

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Microchip Touch Bridge Kit
LEDs

4. LEDs
There are four LEDs in the Microchip Touch Bridge kit.

LED

Color

Purpose

Bluetooth LED

Blue

Connected to the RN4678 Bluetooth module

LED1 LED2 LED3 LED Power

Yellow Red Green Green

Connected to the PB03 of the host MCU Connected to the PA00 of the host MCU Connected to the PA01 of the host MCU Bridge MCU power status

User Guide

DS50003220A-page 17

Microchip Touch Bridge Kit
Microchip Touch Bridge Extension Header

5. Microchip Touch Bridge Extension Header

Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13
14
15
16 17 18 19 20

Pin Name NC GND EXT_VDD VDD_P3V3 EXT_VDD VDD_P3V3 P1V8_5V GPIO3 P1V8_5V GPIO4 P1V8_5V GPIO1 P1V8_5V GPIO2 P1V8_5V_I2C_SDA P1V8_5V_I2C_SCL P1V8_5V_UART_S_TX_M_RX
P1V8_5V_UART_S_RX_M_TX
P1V8_5V_SPI_SS
P1V8_5V_SPI_MOSI P1V8_5V_SPI_MISO P1V8_5V_SPI_SCK GND VDD_P3V3

Description Not Connected Ground External power pin Internal power pin External power pin Internal power pin General purpose I/O pin General purpose I/O pin General purpose I/O pin General purpose I/O pin Data pin for I2C interface Clock pin for I2C interface Receiver pin of the UART host device Transmitter pin of the UART host device Client Select for SPI. This pin must not connect to anything else. SPI host out, client in pin SPI host in, client out pin SPI clock pin Ground Power pin

5.1 MCP2221 Header
Use MTB as an alternate for the MCP2221A Breakout Module by mounting a J5 SMD female header. The following table describes the pin details.

Pin Number 1

Pin Name TXD

Description
Transmitter pin of the UART host device

VDD

Ground

GND

External power pin

SDA

Data pin for I2C interface

SCL

Clock pin for I2C interface

User Guide

DS50003220A-page 18

...........continued Pin Number
6

Microchip Touch Bridge Kit
Microchip Touch Bridge Extension Header

Pin Name RXD

Description
Receiver pin of the UART host device

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DS50003220A-page 19

Microchip Touch Bridge Kit
Documentation and Relevant Links
6. Documentation and Relevant Links
Software/IDE
· MPLAB® X IDE: MPLAB® X IDE is a software program that runs on a PC (Windows®, Mac OS®, Linux®) to develop applications for Microchip microcontrollers and digital signal controllers. It is called an Integrated Development Environment (IDE) because it provides a single integrated "environment" to develop code for embedded microcontrollers.
· MPLAB® Code Configurator: MPLAB® Code Configurator (MCC) is a free, graphical programming environment that generates seamless, easy-to-understand C code to be inserted into your project. Using an intuitive interface enables and configures a rich set of peripherals and functions specific to your application.
· MPLAB Harmony v3: MPLAB® Harmony v3 is a fully integrated embedded software development framework providing flexible and interoperable software modules that allowing to dedicate your resources to creating applications for our 32-bit PIC® and SAM devices, rather than dealing with device details, complex protocols, and library integration challenges. It works seamlessly with MPLAB X Integrated Development Environment (IDE) and the MPLAB XC32 Compiler to enable a smooth transition and maximum code reuse between PIC32 MCUs and SAM MCUs and MPUs. MPLAB® Harmony v3 has drivers, demo code, and Data Visualizer supporting data streaming and advanced debugging.
· Atmel START: Atmel START is an online tool that helps the user to select and configure software components and tailor your embedded application in a usable and optimized manner.
· Microchip Studio: Free IDE for the development of C/C++ and assembler code for microcontrollers. · MPLAB® Data Visualizer: Troubleshooting your code's run-time behavior has never been easier. MPLAB®
Data Visualizer is a free debugging tool that graphically displays run-time variables in an embedded application. Available as a plug-in for MPLAB X Integrated Development Environment (IDE) or a stand-alone debugging tool, it can receive data from various sources such as the Embedded Debugger Data Gateway Interface (DGI) and COM ports. You can also track your application's run-time behavior using a terminal or graph. To get started with visualizing data, check out the Curiosity Nano Development Platform and Xplained Pro Evaluation Kits. · Design Documentation: Package containing CAD source, schematics, BOM, assembly drawings, 3D plots, layer plots, etc. · Hardware User's Guide: PDF version of this user's guide. · Microchip Touch Bridge Kit: On Microchip's website.

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7. Schematic

Microchip Touch Bridge Kit
Schematic

User Guide

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Microchip Touch Bridge Kit
Schematic

User Guide

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Microchip Touch Bridge Kit
Schematic

User Guide

DS50003220A-page 23

Microchip Touch Bridge Kit
Hardware Revision History and Known Issues
8. Hardware Revision History and Known Issues
8.1 Identifying Product ID and Revision
When an Evaluation board is connected to a computer with MPLAB running, an information window with the serial number is shown. The first six digits of the serial number contain the product identifier and revision. Information about connected evaluation boards is also shown in the window. The same information can be found on the sticker on the bottom side of the PCB. Most kits have stickers with the identifier and revision printed in plain text as A09-nnnn/rr, where nnnn is the identifier and rr is the revision. Boards with limited space have a sticker with only a data matrix code containing a serial number string. The serial number string has the following format: "nnnnrrssssssssss" n = product identifier r = revision r = revision s = serial number
The product identifier for the Microchip Touch Bridge is A08-3142 (restricted access).

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Microchip Touch Bridge Kit
Revision 4
9. Revision 4
Revision 4 of Microchip Touch Bridge (A08-3142/04 - restricted access) is the initially released version. There are no known issues.

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10. Revision History

Doc.rev. A

Date 11/2021

Microchip Touch Bridge Kit
Revision History
Comment Initial document release

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Microchip Touch Bridge Kit
The Microchip Website
Microchip provides online support via our website at www.microchip.com/. This website is used to make files and information easily available to customers. Some of the content available includes:
· Product Support Data sheets and errata, application notes and sample programs, design resources, user's guides and hardware support documents, latest software releases and archived software
· General Technical Support Frequently Asked Questions (FAQs), technical support requests, online discussion groups, Microchip design partner program member listing
· Business of Microchip Product selector and ordering guides, latest Microchip press releases, listing of seminars and events, listings of Microchip sales offices, distributors and factory representatives
Product Change Notification Service
Microchip's product change notification service helps keep customers current on Microchip products. Subscribers will receive email notification whenever there are changes, updates, revisions or errata related to a specified product family or development tool of interest. To register, go to www.microchip.com/pcn and follow the registration instructions.
Customer Support
Users of Microchip products can receive assistance through several channels: · Distributor or Representative · Local Sales Office · Embedded Solutions Engineer (ESE) · Technical Support
Customers should contact their distributor, representative or ESE for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in this document. Technical support is available through the website at: www.microchip.com/support

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Microchip Touch Bridge Kit

Product Identification System

To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.

PART NO. [X](1)

/XX

Device

Tape Temperature Package

and Reel Range

Device: Tape & Reel Option:
Temperature Range:
Package:

Device A, Feature A, (Package A) Device B, Feature B, (Package B)

Blank

= Tube

= Tape & Reel

= -40°C to +85°C (Industrial)

= -40°C to +125°C (Extended)

= Package AA

= Package BB

Examples: · MCPXXXXXAT-E/AA: Tape and Reel, Extended temperature, XAA package · MCPXXXXXBT-E/BB: Tape and Reel Extended temperature, XBB package
Notes: 1. Tape and Reel identifier only appears in the catalog part number description. This identifier is used for ordering purposes and is not printed on the device package. Check with your Microchip Sales Office for package availability with the Tape and Reel option. 2. Small form-factor packaging options may be available. Please check www.microchip.com/packaging for smallform factor package availability, or contact your local Sales Office.

Microchip Devices Code Protection Feature

Note the following details of the code protection feature on Microchip products:
· Microchip products meet the specifications contained in their particular Microchip Data Sheet.
· Microchip believes that its family of products is secure when used in the intended manner, within operating specifications, and under normal conditions.
· Microchip values and aggressively protects its intellectual property rights. Attempts to breach the code protection features of Microchip product is strictly prohibited and may violate the Digital Millennium Copyright Act.
· Neither Microchip nor any other semiconductor manufacturer can guarantee the security of its code. Code protection does not mean that we are guaranteeing the product is "unbreakable". Code protection is constantly evolving. Microchip is committed to continuously improving the code protection features of our products.

Legal Notice

This publication and the information herein may be used only with Microchip products, including to design, test, and integrate Microchip products with your application. Use of this information in any other manner violates these terms. Information regarding device applications is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. Contact your local Microchip sales office for additional support or, obtain additional support at www.microchip.com/en-us/support/ design-help/client-support-services.
THIS INFORMATION IS PROVIDED BY MICROCHIP "AS IS". MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY

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Microchip Touch Bridge Kit
OR OTHERWISE, RELATED TO THE INFORMATION INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE, OR WARRANTIES RELATED TO ITS CONDITION, QUALITY, OR PERFORMANCE.
IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL, OR CONSEQUENTIAL LOSS, DAMAGE, COST, OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE INFORMATION OR ITS USE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THE INFORMATION OR ITS USE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THE INFORMATION.
Use of Microchip devices in life support and/or safety applications is entirely at the buyer's risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights unless otherwise stated.
Trademarks
The Microchip name and logo, the Microchip logo, Adaptec, AnyRate, AVR, AVR logo, AVR Freaks, BesTime, BitCloud, CryptoMemory, CryptoRF, dsPIC, flexPWR, HELDO, IGLOO, JukeBlox, KeeLoq, Kleer, LANCheck, LinkMD, maXStylus, maXTouch, MediaLB, megaAVR, Microsemi, Microsemi logo, MOST, MOST logo, MPLAB, OptoLyzer, PIC, picoPower, PICSTART, PIC32 logo, PolarFire, Prochip Designer, QTouch, SAM-BA, SenGenuity, SpyNIC, SST, SST Logo, SuperFlash, Symmetricom, SyncServer, Tachyon, TimeSource, tinyAVR, UNI/O, Vectron, and XMEGA are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.
AgileSwitch, APT, ClockWorks, The Embedded Control Solutions Company, EtherSynch, Flashtec, Hyper Speed Control, HyperLight Load, IntelliMOS, Libero, motorBench, mTouch, Powermite 3, Precision Edge, ProASIC, ProASIC Plus, ProASIC Plus logo, Quiet- Wire, SmartFusion, SyncWorld, Temux, TimeCesium, TimeHub, TimePictra, TimeProvider, TrueTime, WinPath, and ZL are registered trademarks of Microchip Technology Incorporated in the U.S.A.
Adjacent Key Suppression, AKS, Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut, Augmented Switching, BlueSky, BodyCom, CodeGuard, CryptoAuthentication, CryptoAutomotive, CryptoCompanion, CryptoController, dsPICDEM, dsPICDEM.net, Dynamic Average Matching, DAM, ECAN, Espresso T1S, EtherGREEN, GridTime, IdealBridge, In-Circuit Serial Programming, ICSP, INICnet, Intelligent Paralleling, Inter-Chip Connectivity, JitterBlocker, Knob-on-Display, maxCrypto, maxView, memBrain, Mindi, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, NVM Express, NVMe, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PowerSmart, PureSilicon, QMatrix, REAL ICE, Ripple Blocker, RTAX, RTG4, SAMICE, Serial Quad I/O, simpleMAP, SimpliPHY, SmartBuffer, SmartHLS, SMART-I.S., storClad, SQI, SuperSwitcher, SuperSwitcher II, Switchtec, SynchroPHY, Total Endurance, TSHARC, USBCheck, VariSense, VectorBlox, VeriPHY, ViewSpan, WiperLock, XpressConnect, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.
SQTP is a service mark of Microchip Technology Incorporated in the U.S.A.
The Adaptec logo, Frequency on Demand, Silicon Storage Technology, Symmcom, and Trusted Time are registered trademarks of Microchip Technology Inc. in other countries.
GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries.
All other trademarks mentioned herein are property of their respective companies.
© 2021, Microchip Technology Incorporated and its subsidiaries. All Rights Reserved.
ISBN: 978-1-5224-9252-8
AMBA, Arm, Arm7, Arm7TDMI, Arm9, Arm11, Artisan, big.LITTLE, Cordio, CoreLink, CoreSight, Cortex, DesignStart, DynamIQ, Jazelle, Keil, Mali, Mbed, Mbed Enabled, NEON, POP, RealView, SecurCore, Socrates, Thumb, TrustZone, ULINK, ULINK2, ULINK-ME, ULINK-PLUS, ULINKpro, µVision, Versatile are trademarks or registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.

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Quality Management System
For information regarding Microchip's Quality Management Systems, please visit www.microchip.com/quality.

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AMERICAS
Corporate Office 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Technical Support: www.microchip.com/support Web Address: www.microchip.com Atlanta Duluth, GA Tel: 678-957-9614 Fax: 678-957-1455 Austin, TX Tel: 512-257-3370 Boston Westborough, MA Tel: 774-760-0087 Fax: 774-760-0088 Chicago Itasca, IL Tel: 630-285-0071 Fax: 630-285-0075 Dallas Addison, TX Tel: 972-818-7423 Fax: 972-818-2924 Detroit Novi, MI Tel: 248-848-4000 Houston, TX Tel: 281-894-5983 Indianapolis Noblesville, IN Tel: 317-773-8323 Fax: 317-773-5453 Tel: 317-536-2380 Los Angeles Mission Viejo, CA Tel: 949-462-9523 Fax: 949-462-9608 Tel: 951-273-7800 Raleigh, NC Tel: 919-844-7510 New York, NY Tel: 631-435-6000 San Jose, CA Tel: 408-735-9110 Tel: 408-436-4270 Canada - Toronto Tel: 905-695-1980 Fax: 905-695-2078

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References

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