MAXQ1065 SPI Evaluation Kit
General Description
The MAXQ1065 SPI evaluation kit (EV kit) provides the hardware and software necessary to exercise the features of the MAXQ1065GTC+ from a personal computer, a Raspberry Pi®, an Arduino® compatible board or any other motherboard. The EV kit consists of five MAXQ1065GTC+ devices in a 12-pin TDFN package and a MAXQ1065 12-pin TDFN evaluation socket board. The device makes it fast and easy to implement full security for embedded, connected products without requiring firmware development. The MAXQ1065 coprocessors can be designed-in from the start or added to an existing design to guarantee confidentiality, authenticity, and integrity of the device.
Features
- Demonstrates the Features of the MAXQ1065 Socket Board
- Compatible with Raspberry Pi 4 Model B, Raspberry Pi 3 Model B/B+, and Raspberry Pi 2 Model B
- Compatible with Arduino UNO Motherboards
- Provides a USB Connector for USB 2.0-to-SPI Communication
- Convenient Connectors for Custom Wiring
- 1.8V and 3.3V Operating Voltage
- Software Development Kit (SDK) Provided When Requesting Full Developer Software at Top of This Page
MAXQ1065 SPI EV Kit Contents
| QTY | DESCRIPTION |
|---|---|
| 5 | MAXQ1065GTC+ Secure Coprocessor (12 TDFN) |
| 1 | MAXQ1065 Socket Board (12 TDFN) |
| 1 | USB Standard-A to Micro-B Cable |
| 1 | Raspberry Pi-Compatible Elevated Header |
Hardware Setup and Supported Platforms
EV Kit Supported Platforms
The MAXQ1065 SPI EV kit is designed to be compatible with a variety of platforms: PC, Raspberry Pi, Arduino Uno, and custom motherboards. All supported platforms must provide their own 5V power supply to the MAXQ1065 socket board to ensure proper operation.
PC Platform Setup
The MAXQ1065 socket board is compatible with multiple PC platforms, such as Linux® and Windows®. It includes an onboard USB connector and uses an FTDI bridge chip, the FT4222H, to enable a USB-to-SPI interface with the MAXQ1065 SPI EV kit. A 5V power supply must be provided from the PC through the USB connector to ensure proper operation of the socket board. The following steps can be used to properly set up the MAXQ1065 socket board with a PC platform:
- Adjust the VDD SEL switch (SW1) to the 3V3 position.
- Connect the MAXQ1065 socket board to the PC using the USB cable.
Raspberry Pi Platform Setup
The MAXQ1065 socket board is also compatible with Raspberry Pi 3 Model B/B+ and Raspberry Pi 2 Model B through the socket board's JH3 connector. In order to provide clearance between the socket board and the Raspberry Pi, the included Raspberry Pi-compatible elevated header must be installed before attempting to connect the two boards together. The following steps can be used to properly set up the MAXQ1065 socket board with a Raspberry Pi platform:
- Ensure that the Raspberry Pi board is powered off.
- Connect the elevated header onto the bottom side of the JH3 connector, as shown in Figure 2.
- Adjust the VDD SEL switch (SW1) to the 3V3 position.
- Connect the MAXQ1065 socket board on top of the Raspberry Pi, as shown in Figure 3.
- Power on the Raspberry Pi board through its own USB connector, as shown in Figure 4.
Arduino Uno-Compatible Boards Setup
The MAXQ1065 socket board also provides four Arduino-compatible connectors (JH1, JH2, JH4, and JH5) that can be used to install Arduino motherboards, such as the Analog Devices MAX3265MBED development platform, from the bottom side of the board. The following steps can be used to properly set up the MAXQ1065 socket board with an Arduino-compatible platform:
- Ensure that the Arduino mother board is powered off.
- Connect the MAXQ1065 socket board on top of the Arduino motherboard.
- Adjust the VDD SEL switch (SW1) according to the Arduino motherboard's voltage requirements.
- Power on the Arduino motherboard.
- Do not use the USB cable.
Custom Motherboards Setup
In the absence of an Arduino Uno board, the Arduino-compatible connectors (JH1, JH2, JH4, and JH5) can also be used for wiring up a custom motherboard to the MAXQ1065 socket board. Each connector has its pinout on the silkscreen for reference. The socket board supports custom motherboards operating in a 1.8V range through the JH1 connector's 1V8 pin (pin 1). The VDD SEL switch (SW1) must be configured to 1.8V when using a 1.8V motherboard to ensure proper operation of the socket board. Regardless of its operating voltage, a 5V power supply must be provided from the host motherboard through the JH1 connector's 5V pin (pin 5) to ensure proper operation of the socket board.
Hardware Settings
Table 1. Jumper Settings
| NAME | COMPONENT | SETTING | DESCRIPTION |
|---|---|---|---|
| VDD_EN | JP1 | Open | Disconnects the MAXQ1065 from VDD power |
| VDD_EN | JP1 | Closed | Connects the MAXQ1065 to VDD power |
| TAMPER SW IN | JH6 | Open | No MAXQ1065 tamper event; turns off the TAMPER LED (D4) |
| TAMPER SW IN | JH6 | Closed | Triggers a MAXQ1065 tamper event; turns on the TAMPER LED (D4) |
Table 2. Switch Settings
| NAME | COMPONENT | SETTING | DESCRIPTION |
|---|---|---|---|
| VDD SEL | SW1 | 1V8* | Sets VDD power to 1.8V and sets LED (D5) red |
| VDD SEL | SW1 | 3V3 | Sets VDD power to 3.3V and sets LED (D5) green |
| PDWN | SW2 | Not pressed (Default) | Disable the MAXQ1065 power-down mode |
| PDWN | SW2 | Pressed | Make the MAXQ1065 enter power-down mode |
*Only supported when a 1.8V power supply is present through connector JH1 (pin 1).
Table 3. LED Information
| NAME | COMPONENT | STATE | DESCRIPTION |
|---|---|---|---|
| VDD | D5 | Red | Indicates VDD power is at 1.8V* |
| VDD | D5 | Green | Indicates VDD power is at 3.3V |
| TAMPER | D4 | Off | No tamper condition enabled |
| TAMPER | D4 | On | Tamper condition enabled |
| AUX1 | D6 | Off | LED driven high by one of the supported platforms** |
| AUX1 | D6 | On | LED driven low by one of the supported platforms** |
*Provided a 1.8V power supply is present through connector JH1 (pin 1). **Not including the USB host.
Software Development Kit (SDK)
The software development kit (SDK) provides several tools for evaluating the MAXQ1065 socket board using one of the supported platforms. The SDK is available from the request link for the full developer software at the top of the front page of this data sheet. Open the README.html file situated at the root folder for more details on the SDK.
Ordering Information
| PART | TYPE |
|---|---|
| MAXQ1065EVKIT# | EV Kit |
#Denotes RoHS compliant.
MAXQ1065 SPI EV Kit Bill of Materials
| DESIGNATOR | QTY | DESCRIPTION | MANUFACTURER | PART NUMBER |
|---|---|---|---|---|
| C1, C2, C5, C18 | 4 | CAP CER 4.7uF 10V 10% X5R 0603 | Kemet | C0603C475K8PACTU |
| C3, C4, C6, C17, C19 | 5 | CAP CER 0.1UF 16V 10% X7R 0402 | Murata Electronics | GRM155R71C104KA88D |
| C7 | 1 | CAP CER 100PF 50V +/-1% NP0 0402 | AVX Corporation | 04025A101FAT2A |
| C8, C12 | 2 | CAP CER 27PF 50V 5% NP0 0402 | Murata Electronics | GRM1555C1H270JA01D |
| C9, C10 | 2 | CAP CER 1UF 35V 10% X5R 0603 | Taiyo Yuden | GMK107BJ105KA-T |
| C11 | 1 | CAP CER 0.1UF 50V 10% X7R 0603 | Kemet | C0603C104K5RACTU |
| C13 | 1 | CAP CER 0.47UF 10V 10% X5R 0402 | Murata Electronics North America | GRM155R61A474KE15J |
| C14, C16 | 2 | CAP CER 1uF 16V 10% X7R 0603 | Murata | GCM188R71C105KA64D |
| C15 | 1 | CAP CER 10UF 10V 10% X7R 0805 | Samsung Electro-Mechanics | CL21B106KPQNNNE |
| CN1 | 1 | CONN RCPT 5POS MICRO USB B R/A | Molex | 47346-0001 |
| D1, D2, D3 | 3 | DIODE SCHOTTKY 20V 1A STMITE | STMicroelectronics | STPS120M |
| D4 | 1 | LED 660NM RED WTR CLR 1206 SMD | Lumex Opto | SML-LX1206SRC-TR |
| D5 | 1 | LED GREEN/RED CLEAR 1210 | Lite-On Inc | LTST-C155GEKT |
| D6 | 1 | LED 565NM WTR CLR GREEN 1206 SMD | Lumex Opto | SML-LX1206GC-TR |
| JH1, JH5 | 2 | CONN RCPT 8POS GOLD .100" | Samtec | ESQ-108-39-G-S |
| JH2 | 1 | CONN RCPT 10POS GOLD .100" | Samtec | ESQ-110-39-G-S |
| JH3 | 1 | CONN RCPT 40POS .100" SMD GLD | Samtec | HLE-120-02-G-DV-BE |
| JH4 | 1 | CONN RCPT 6POS GOLD .100" | Samtec | ESQ-106-39-G-S |
| JH6, JP1 | 2 | CONN HEADER .100 SINGL STR 2POS (2x1) | Sullins | PEC02SAAN |
| L1 | 1 | FERRITE BEAD 120 OHM 0805 1LN | Murata Electronics North America | BLM21AG121SN1D |
| PCB1 | 1 | |||
| R1, R4, R6 | 3 | RES 10K OHM 1/10W 1% 0603 SMD | Panasonic | ERJ-3EKF1002V |
| R2 | 1 | RES SMD 12.1K OHM 1% 1/10W 0402 | Panasonic Electronic Components | ERJ-2RKF1212X |
| R3 | 1 | RES SMD 1M OHM 1% 1/10W 0402 | Panasonic | ERJ-2RKF1004X |
| R5 | 1 | RES 47K OHM 1/10W 1% 0603 SMD | Panasonic | ERJ-3EKF4702V |
| R7 | 1 | RES 49.9K OHM 1/10W 1% 0603 SMD | Panasonic | ERJ-3EKF4992V |
| R9 | 1 | RES 120 OHM 1/10W 1% 0603 SMD | Panasonic | ERJ-3EKF1200V |
| R10, R14 | 2 | RES 150 OHM 1/10W 1% 0603 SMD | Panasonic | ERJ-3EKF1500V |
| R13 | 1 | RES 4.7K OHM 1/10W 1% 0402 SMD | Panasonic | ERJ-2RKF4701X |
| R15 | 1 | RES 332 OHM 1/10W 1% 0603 SMD | Panasonic | ERJ-3EKF3320V |
| SW1 | 1 | SWITCH SLIDE DPDT 300MA 6V RIGHT ANGLE | C&K | JS202011JAQN |
| SW2 | 1 | SWITCH TACTILE SPST-NO 0.05A 24V | Omron Electronics | B3S-1000P |
| TP1, TP2, TP3 | 3 | CONN HEADER .100 SINGL STR 1POS | Sullins | PEC01SAAN |
| U1 | 1 | MAXQ1065SPIBQ+ 12P TDFN | Analog Devices | MAXQ1065SPIBQ+ |
| U2 | 1 | ESD PROTECT 2CH 6-UDFN | Analog Devices | MAX13202EALT+ |
| U3 | 1 | REG LDO 3.3V/ADJ 16TSSOP-EP | Analog Devices | MAX8869EUE33+ |
| U4 | 1 | IC BRIDGE USB TO I2C/SPI 32VQFN | FTDI | FT4222HQ-D-R |
| U5 | 1 | IC BUFFER NON-INVERT 5.5V SC88 | ON Semiconductor | NL27WZ07DFT2G |
| XU1 | 1 | MAXQ1065SPIBQ+ 12P TDFN SKT 12QN50S33030 | Plastronics | 12QN50S33030 |
| Y1 | 1 | CRYSTAL 12MHZ 18PF SMD | Abracon Corp | ABM3-12.000MHZ-D2Y-T |
MAXQ1065 SPI EV Kit Schematic Description
The schematic illustrates the internal circuitry of the MAXQ1065 SPI Evaluation Kit. Key functional blocks and their interconnections are detailed:
- USB-SPI Bridge: A FTDI FT4222HQ chip acts as the bridge, converting USB signals from the host computer to SPI signals for the MAXQ1065. It includes necessary passive components like capacitors (C9, C10, C11, C14, C17, C19) and a ferrite bead (L1) for signal integrity and power filtering.
- Power Management: A 3.3V LDO regulator (Analog Devices MAX8869EUE33) provides stable power. A voltage selection switch (SW1) allows configuration for 1.8V or 3.3V operation, indicated by an LED (D5).
- MAXQ1065 Secure Coprocessor (U1): This is the core component, connected via SPI pins (SCK, MISO, MOSI, SSEL_N) to the FT4222HQ. It also interfaces with other signals like PDWN (power-down), RDY (ready), RESET_OUT, and TAMPER.
- Connectors:
- CN1: A 5-pin Micro-USB connector for USB communication and power input.
- JH1, JH2, JH4, JH5: Arduino-compatible headers providing access to various signals for interfacing with microcontrollers.
- JH3: A connector for attaching Raspberry Pi boards, requiring an elevated header for clearance.
- JH6: A header for tamper switch input.
- JP1: A jumper for enabling/disabling VDD power.
- TP1, TP2, TP3: Test points for signal monitoring.
- Supporting Components: Various resistors (R1-R15) for pull-ups, current limiting, and voltage division; diodes (D1-D3) for protection; LEDs (D4, D5, D6) for status indication; a crystal (Y1) for clock generation; and switches (SW1, SW2) for configuration.
Revision History
| REVISION NUMBER | REVISION DATE | DESCRIPTION | PAGES CHANGED |
|---|---|---|---|
| 0 | 1/21 | Initial release | -- |
| 1 | 3/21 | Updated Features, Socket Board photo, Figure 1, Detailed Hardware Description and Software Development Kit (SDK) sections, Bill of Materials, and Schematic | 1-3, 5, 6-8 |
| 2 | 6/21 | Updated board photo, replaced Bill of Materials and Schematic | 1, 6-8 |
| 3 | 8/22 | Updated title, General Description, and Features | 1-9 |
| 4 | 9/22 | Added Security UG and SDK request button and references | 1, 5 |
