ATA8510 Curiosity Board User’s Guide
EV82M22A
Product Page Links
Introduction
The ATA8510 Curiosity Board provides an efficient, low-cost development platform for evaluating and demonstrating the features and functionalities of Microchip’s ATA8510, a low-power sub-GHz RF transceiver within the RF board mounted on the curiosity board. The ATA8510 Curiosity Board serves as a wireless (subGHz) development platform that supports rapid prototyping using on-chip microcontroller peripherals. The ATA8510 Curiosity Board supports 418–477 MHz band. User can power the ATA8510 Curiosity Board via USB Type-C ™ without requiring additional hardware accessories in the Standalone mode. The ATA8510 Curiosity Board also complies with the mikroBUS ™ specifications. Plug the board onto the host board and control it using the host Microcontroller Unit (MCU) with Serial Peripheral Inferface (SPI) commands in the Host mode. The In-System Programming (ISP) Interface is available for programming purposes. The ATA8510 Curiosity Board supports a variety of application development, such as smart home systems, industrial automation, Internet of Things (IoT), Garage Door Opening (GDO), and other similar applications.
Features
- ATA8510 Sub-GHz RF Transceiver and 24.305 MHz Crystal within the ATA8510 RF Board Mounted on the Curiosity Board
- Supports both 3.3V and 5V Power Supply (Either Derived from USB Type-C ™ or Sourced from Host Board Using mikroBUS ™ Interface)
- Provides a mikroBUS Header to Interface with Host Board Supporting mikroBUS Socket
- On-board 5V to 3.3V Low-Dropout Regulator (LDO) Based on MCP1727
- Two User LEDs
- Two Power Indication LEDs
- One User-Configurable Switch
- One Reset Switch
- One 20-Pin Header to Access Pins of ATA8510 SoC
- ISP Header for External Programmer/Debugger, such as ATMEL-ICE and PICkit ™ 5
Quick References
1.1. Reference Documentation
For further details, refer to the following:
- ATA8510/15 Industrial User’s Guide (DS50003142)
- ATA8510/15 Industrial Data Sheet (DS70005505)
- ATMEL-ICE User Guide (42330C)
- ATAN0096 ATA8510 Programmer’s Guide Application Note (9346)
- ATA8510 Application Developer’s Guide
- mikroBUS ™ Specification (mikrobus)
- MPLAB ® PICkit ™ 5 In-Circuit Debugger User’s Guide (DS50003525)
1.2. Hardware Prerequisites
- ATA8510 Curiosity Board Kit (EV82M22A)
- WBZ451HPE Curiosity Board (EV79Y91A) (1)
- SAM C21 Xplained Pro Evaluation Kit (ATSAMC21-XPRO)
- mikroBUS ™ Adapter (ATMBUSADAPTER-XPRO)2
- Type-A USB to Type-C ™ USB Cable
- ATMEL-ICE Programmer (ATATMEL-ICE) or MPLAB (2) ® (2) PICkit ™ 5 In-Circuit Debugger (PG164150)
Notes:
- If using ATA8510 Curiosity Board in the Host mode with WBZ451HPE Curiosity Board as host.
- If using ATA8510 Curiosity Board in the Host mode with SAM C21 Xplained Pro Evaluation Kit as host.
- For more details on the host boards supported by the ATA8510 Curiosity Board, refer to the Example Application section in the ATA8510 Application Developer’s Guide.
1.3. Software Prerequisites
- EEPROM Config Tool
Note: For the latest version of EEPROM Config Tool, go to www.microchip.com. - MPLAB ® X Integrated Development Environment (MPLAB X IDE)
- Microchip Studio for AVR and SAM Devices (Microchip Studio)
- ATA8510 Curiosity Board Out-of-the-Box (OOB) Demo (ATA8510_Curiosity_OOB)
1.4. Acronyms and Abbreviations
Table 1-1. Acronyms and Abbreviations
| Acronyms and Abbreviations | Description |
| BOM | Bill of Material |
| DNP | Do Not Populate |
| EVB | Evaluation Board |
| GDO | Garage Door Opener |
| GPIO | General Purpose Input Output |
| GUI | Graphical User Interface |
| I2C/I2C | Inter-Integrated Circuit |
| IDE | Integrated Development Environment |
| IoT | Internet of Things |
| ISP | In-System Programming |
| LDO | Low-Dropout Regulator |
| LED | Light Emitting Diode |
| MCU | Microcontroller Unit |
| NC | Not Connected |
| OOB | Out of Box |
| PCB | Printed Circuit Board |
| RF | Radio Frequency |
| RSSI | Received Signal Strength Indicator |
| RX | Receive |
| SMD | Surface Mount Device |
| SoC | System-on-Chip |
| SPI | Serial Peripheral Interface |
| TX | Transmit |
| UART | Universal Asynchronous Receiver-Transmitter |
| XPRO | Xplained PRO Expansion Header |
Kit Overview
The ATA8510 Curiosity Board contains an ATA8510 SoC, which is a sub-GHz RF transceiver with an integrated AVR microcontroller within the ATA8510 RF board. All the signals from the ATA8510 are brought onto the Curiosity Board, where they are connected to on-board peripherals or terminated onto headers for rapid prototyping or evaluation.
2.1. Kit Contents
The EV82M22A (ATA8510 Curiosity Board) Kit contains the following:
ATA8510 Curiosity Board
Notes:
- To evaluate sub-GHz TX/RX functionality, obtain two identical kits. Designate one kit as the transmitter and the other as the receiver. For more details, refer to the steps in the ATA8510 Curiosity Board Out-of-the-Box Demo.
- If any of the above items are missing in the kit, go to http://support.microchip.com or contact your local Microchip Sales office via the Global Sales and Distribution page.
Hardware
This section describes the hardware features of the ATA8510 Curiosity Board.
Notes:
- Microchip’s total system solution includes complementary devices, software drivers, and reference designs, which is highly recommended to ensure the proven performance of the ATA8510 Curiosity Board. For more details, go to support.microchip.com or contact your local Microchip Sales office.
- For more details on manufacturer part number and description, refer to the following table.
Table 3-1. Microchip Components used in ATA8510 Curiosity Board
| S.No. | Designator | Manufacturer Part Number | Description |
| 1 | U101 | MCP1727T-ADJE/MF | MCHP Analog LDO 0.8V-5V MCP1727T-ADJE/MF DFN-8 |
3.1. Power Supply
The ATA8510 Curiosity Board can be powered using any of the following sources, depending on the use case scenario:
- USB Type-C ™ Connector (J201)
- Host Board Supporting mikroBUS ™ Socket (J101, J102)
Table 3-2. Power Supply Sources
| Power Supply Source | Voltage Operation | Jumper Configuration | Notes |
| USB Type-C™ (Standalone mode) | 3.3V (default) | • Jumper connected between J105-1 and J105-2 • Jumper mounted on J107 |
• USB supplies 5V to LDO MCP1727 (U101) to generate 3.3V for ATA8510 RF board. • Do not mount jumper on J108. |
| 5V | • Jumper mounted on J108 • Jumper mounted between J105-3 and J105-2 |
• Do not mount jumper on J107. | |
| Host board mikroBUS™ socket (Host mode) | 3.3V | • Jumper connected between J105-1 and J105-2 • Jumper mounted on J107 |
• Do not mount jumper on J108. |
| 5V | • Jumper mounted between J105-3 and J105-2 | • Do not mount jumper on J107 and J108. |
The following figure illustrates the jumper positions that power the ATA8510 Curiosity Board.
3.2. In-System Programming (ISP) Header (J104)
The ISP header (J104) is a standard 2×3-pin header. It allows in-circuit emulation and debugging using Microchip’s in-circuit emulator tools, and it allows direct programming of the ATA8510 SoC. The ISP header supports external debuggers, such as ATMEL-ICE. The following figure illustrates the connection between the ICSP header, external debuggers, and the ATA8510 Curiosity Board.
Note: Ensure that the jumper is placed on header J103 between pins 1 and 2 during programming.
The following table provides the pin details and descriptions of the ISP header.
Table 3-3. ISP Header Pin Description – J104
| Pin Number | Pin on ISP Header | Pin Description of ISP Header | Pin on the ATA8510 RF Board(1) |
| J104-1 | MISO | Host-In Client-Out | PCINT3/MISO/PB3 |
| J104-2 | VS_RF | 3.3V power supply | VS_RF |
| J104-3 | SCK | Serial Clock | PCINT1/SCK/PB1 |
| J104-4 | MOSI | Host-Out Client-In | PCINT2/MOSI/PB2 |
| J104-5 | NRES | Reset | NRESET/PCINT8/debugWIRE/PC0 |
| J104-6 | GND | Ground | GND |
Notes:
- For more details on the ATA8510 SoC pins, refer to the ATA8510/15 Industrial Data Sheet (DS70005505).
- Use ATMEL-ICE for the best programming and debugging experience.
3.3. Mode of Operation
The ATA8510 Curiosity Board supports two modes of operation:
- Standalone mode (default)
- Host mode
3.3.1. Standalone Mode
In Standalone mode, use a pair of ATA8510 Curiosity Boards by configuring one as a receiver and the other as a transmitter.
Power each board individually through a host PC by connecting a Type-C ™ cable to connector J201.
Refer to Table 3-2 for the required jumper settings in the Standalone mode.
For more information on utilizing Standalone mode, refer to the ATA8510 Curiosity Board Out- of the-Box Demo.
3.3.2. Host Mode
In Host mode, plug the ATA8510 Curiosity Board into a host MCU™ using the mikroBUS header with the control interface.
In this configuration, the host board supplies power to the ATA8510 Curiosity Board, and a USB Type-C ™ cable is not required. Refer to Table 3-2 for the jumper settings to use with the host board.
The ATA8510 Curiosity Board communicates with the host board over the SPI via the mikroBUS socket. Refer to the following table for the pinouts on the ATA8510 Curiosity Board mikroBUS interface.
CAUTION
- In Host mode, ensure that the USB Type-C cable is disconnected.
- All ATA8510 Curiosity Boards have to be programmed with ATMEL-ICE in Standalone mode before use for Host mode with a host board.
Table 3-4. mikroBUS ™ Header Pin Description – J101, J102
| Pin Number | Pin on mikroBUS™ Socket | Pin Description of mikroBUS™ Socket | Pin on the ATA8510 RF Board(1) |
| J101-1 | AN | Analog input | PWRON/PCINT4/LED1/PB4 |
| J101-2 | RST | Reset | NRESET/PCINT8/debugWIRE/PC0 |
| J101-3 | CS | SPI Chip Select (CS) | PCINT5/INT1/NSS/PB5 |
| J101-4 | SCK | SPI clock | PCINT1/SCK/PB1 |
| J101-5 | MISO | SPI Host Input Client Output | PCINT3/MISO/PB3 |
| J101-6 | MOSI | SPI Host Input Client Input | PCINT2/MOSI/PB2 |
| J101-7 | +3.3V | 3.3V power | NC |
| J101-8 | GND | Ground | GND |
| J102-8 | GND | Ground | GND |
| J102-7 | +5V | 5V power | NC |
| J102-6 | SDA | I2C data | NPWRON5/PCINT13/TRPB/TMDO_CLK/PC5 |
| J102-5 | SCL | I2C clock | PCINT0/CLK_OUT/PB0 |
| J102-4 | RX | UART receive | NPWRON3/PCINT11/TMDO/TxD/PC3 |
| J102-3 | TX | UART transmit | NPWRON4/PCINT12/INT0/TMDI/RxD/PC4 |
| J102-2 | INT | Hardware interrupt | PCINT6/EVENT/PB6 |
| J102-1 | PWM | PWM output | NPWRON1/PCINT9/EXT_CLK/PC1 |
Notes:
- For more details on the ATA8510 pins, refer to the ATA8510/15 Industrial Data Sheet (DS70005505).
- These are alternate function pins that can be configured for any of the supported peripheral functions based on the end user application.
3.4. USB Connectivity
The ATA8510 SoC does not have any USB peripheral. The USB Type-C ™ connector provided on
ATA8510 Curiosity Board is solely to be used for powering the board.
Note: USB Type-A to Type-C USB cable is not available in the ATA8510 Curiosity Board Kit.
3.5. Switches
The following switches are available on the ATA8510 Curiosity Board:
- User-configurable switch (SW101)
- Reset switch (SW100) connected with NRESET signal of the ATA8510 RF Board
By default, the level of the user-configurable switch is supposedly pulled high (VS_RF), and after pressing the switch, it drives the I/O line to low (GND).
Table 3-5. Description of Switches
| Switch Name | Description | Pin on ATA8510 RF Board |
| SW101 | User configurable switch (SW101) | NPWRON1/PCINT9/EXT_CLK/PC1 |
| SW100 | Reset switch (SW100) | NRESET/PCINT8/debugWIRE/PC0 |
3.6. LEDs
The on-board LEDs are categorized into two types:
- Power LEDs
– 5V Green (D100)
– 3.3V Green (D101) - User-Configurable LEDs
– Red LED (D102)
– Green LED (D103)
The following table provides details about the list of LEDs that the user can turn ON or OFF while using the connected GPIO pins:
Table 3-6. LEDs Description
| Function | Description | Pin on the ATA8510 RF Board |
| Red LED (D102) | Remappable peripheral/PORTB digital I/O | PB7 |
| Green LED (D103) | Remappable peripheral/PORTC digital I/O | PC5 |
3.7. 20-Pin Header (J200)
The ATA8510 Curiosity Board features a 20-pin header (J200) that provides access to pins on the ATA8510 RF Board. The pinouts of the 20-pin header are compatible with the SAM C21 XPRO header, allowing connection of J200 on the ATA8510 Curiosity Board to the SAM C21 XPRO header via an IDC cable. The following table lists the details of the 20-pin header.
Table 3-7. 20-Pin Header Pin Description – J200
| Pin Number | Pin on 20-pin Header | Pin Description of 20-pin Header | Pin on ATA8510 RF Board(1),(2) |
| J200-1 | NC | Not connected | NC |
| J200-2 | GND | Ground | GND |
| J200-3 | NPWRON2/PCINT10/TRPA/PC2 | Remappable peripheral/PORTC digital I/O | NPWRON2/PCINT10/TRPA/PC2 |
| J200-4 | NC | Not connected | NC |
| J200-5 | NPWRON1/PCINT9/EXT_CLK/PC1 | Remappable peripheral/PORTC digital I/O | NPWRON1/PCINT9/EXT_CLK/PC1 |
| J200-6 | NRESET/PCINT8/debugWIRE/PC0 | Reset | NRESET/PCINT8/debugWIRE/PC0 |
| J200-7 | PWRON/PCINT4/LED1/PB4 | Remappable peripheral/PORTB digital I/O | PWRON/PCINT4/LED1/PB4 |
| J200-8 | NPWRON6/PCINT7/RX_ACTIVE/PB7 | Remappable peripheral/PORTB digital I/O | NPWRON6/PCINT7/RX_ACTIVE/PB7 |
| J200-9 | PCINT6/EVENT/PB6 | Remappable peripheral/PORTB digital I/O | PCINT6/EVENT/PB6 |
| J200-10 | NC | Not connected | NC |
| J200-11 | NPWRON3/PCINT11/TMDO/TxD/PC3 | Remappable peripheral/PORTC digital I/O | NPWRON3/PCINT11/TMDO/TxD/PC3 |
| J200-12 | PCINT0/CLK_OUT/PB0 | Remappable peripheral/PORTB digital I/O | PCINT0/CLK_OUT/PB0 |
| J200-13 | NPWRON4/PCINT12/INT0/TMDI/RxD/PC4 | Remappable peripheral/PORTC digital I/O | NPWRON4/PCINT12/INT0/TMDI/RxD/PC4 |
| J200-14 | NPWRON5/PCINT13/TRPB/TMDO_CLK/PC5 | Remappable peripheral/PORTC digital I/O | NPWRON5/PCINT13/TRPB/TMDO_CLK/PC5 |
| J200-15 | PCINT5/INT1/NSS/PB5 | Client select for SPI | PCINT5/INT1/NSS/PB5 |
| J200-16 | PCINT2/MOSI/PB2 | Host-Out, Client-In line of SPI | PCINT2/MOSI/PB2 |
| J200-17 | PCINT3/MISO/PB3 | Host-In, Client-Out line of SPI | PCINT3/MISO/PB3 |
| J200-18 | PCINT1/SCK/PB1 | Clock for SPI | PCINT1/SCK/PB1 |
| J200-19 | GND | Ground | GND |
| J200-20 | VS_RF | Power from extension board | VS |
Notes:
- These are alternate function pins that can be configured for any of the supported peripheral functions based on the end user application.
- For more details on the ATA8510 pins, refer to the ATA8510/15 Industrial Data Sheet (DS70005505).
ATA8510 Curiosity Board Out-of-the-Box Demo
The ATA8510 Curiosity Board Out-of-the-Box (OOB) demo demonstrates its standalone operation and basic RF transmission and RF reception capabilities.
For more information on the PC Companion mode OOB demo, go to github.com/MicrochipTech/ATA8510_Curiosity_OOB.
For more details on applications demo and harmony code examples, go to wireless_apps_ata851x.
Appendix A: Reference Circuit
5.1. ATA8510 Curiosity Board Reference Schematics
5.2. ATA8510 Curiosity Board Bill of Materials
For the Bill of Materials (BOM) of the ATA8510 Curiosity Board, go to the EV82M22A product web page.
Appendix-B: PCB Antenna and RF Considerations
The overall RF performance of the system is significantly influenced by product design, environment, and application. The product designer must ensure system-level shielding (if required) and verify the performance of product features and applications. For optimal wireless performance, consider the following guidelines:
- The ATA8510 device must be positioned in a noise-free RF environment and must be kept far away from high-frequency clock signals and any other sources of RF energy.
- The antenna must not be shielded by any metal objects.
- The power supply must be clean and noise-free.
- The ATA8510 Curiosity Board does not include RF shielding on the top of the board by default.
For the ATA8510 Curiosity Board, the PCB antenna is fabricated on the top layer and covered in a solder mask. The layers below the antenna do not have copper trace. It is recommended to have the PCB antenna to be on the edge of the host board and have no PCB material below the antenna structure and no copper traces or planes on the host board in that area.
The following table lists the technical specification of the PCB antenna on the ATA8510 Curiosity Board:
Table 6-1. PCB Antenna Specifications
| Parameter | Specification |
| Operating Frequency | 430-435 MHz |
| Peak Gain | -1.8 dBi |
| Efficiency (average) | 22.5% |
Antenna radiation patterns at 433 MHz:
6.1. RF Performance with Host Board
When using the ATA8510 Curiosity Board with a host board, follow the guidelines listed in Appendix B: PCB Antenna and RF Considerations.
This includes ensuring that no cables run beneath the PCB antenna and no high-frequency components are placed on the host board under the antenna area. When evaluating the ATA8510 Curiosity Board with the WBZ451HPE Curiosity Board or similar host boards, use a 90-degree angle elbow Type-C ™ cable on the host board. This helps prevent degradation in RF performance.
In Figure A, the USB Type-C cable on the host board runs directly beneath the PCB antenna of the ATA8510 Curiosity Board. This might degrade the RF performance.
In Figure B, a 90-degree angle elbow Type-C cable is used, which does not run under the PCB antenna of the ATA8510 Curiosity Board. This setup avoids interference with RF performance and is the recommended approach.
Appendix C: Regulatory Approval
This equipment (ATA8510 Curiosity Board/EV82M22A) is an evaluation kit and not a finished product. It is intended for laboratory evaluation purposes only. It is not directly marketed or sold to the general public through retail; it is only sold through authorized distributors or through Microchip. Using this requires a significant engineering expertise towards understanding of the tools and relevant technology, which can be expected only from a person who is professionally trained in the technology. Regulatory compliance settings have to follow the ATA8510 RF Board certifications. The following regulatory notices are to cover the requirements under the regulatory approval.
United States
The ATA8510 Curiosity Board (EV82M22A) contains the ATA8510 RF Board, which has received Federal Communications Commission (FCC) CFR47 Telecommunications, Part 15 Subpart C “Intentional Radiators” single-modular approval in accordance with Part 15.212 Modular Transmitter approval.
Contains FCC ID: 2ADHKATA8510M
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Important: FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for uncontrolled environment. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 8 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. This transmitter is restricted for use with the specific antenna(s) tested in this application for certification.
CAUTION
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
7.2. Canada
The ATA8510 Curiosity Board (EV82M22A) contains the ATA8510 RF Board, which has been certified for use in Canada under Innovation, Science and Economic Development Canada (ISED, formerly Industry Canada) Radio Standards Procedure (RSP) RSP-100, Radio Standards Specification (RSS) RSS-Gen and RSS-247.
Contains IC: 20266-ATA8510M
This device contains license-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s license-exempt RSS(s). Operation is subject to the following two conditions:
- This device may not cause interference;
- This device must accept any interference, including interference that may cause undesired operation of the device.
WARNING
This equipment complies with radio frequency exposure limits set forth by Innovation, Science and Economic Development Canada for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 cm between the device and the user or bystanders.
7.3. Europe
This equipment (EV82M22A) has been assessed under the Radio Equipment Directive (RED) for use in European Union countries. The product does not exceed the specified power ratings, antenna specifications and/or installation requirements as specified in the user manual. A Declaration of Conformity is issued for each of these standards and kept on file as described in Radio Equipment Directive (RED).
Simplified EU Declaration of Conformity
Hereby, Microchip Technology Inc. declares that the radio equipment type [EV82M22A] is in compliance with Directive 2014/53/EU.
The full text of the EU declaration of conformity is available at EV82M22A (See Conformity Documents).
Document Revision History
The revision history describes the changes that were implemented in the document. The changes are listed by revision, starting with the most current publication.
Table 8-1. Document Revision History
| Revision | Date | Section | Description |
| A | 07/2025 | Document | Initial revision |
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