Page 1
AT32-Comm-EV User Manual AT32-Comm-EV evaluation board Introduction The AT32-Comm-EV evaluation board is designed to help users speed up the development of communication application solutions. It features CAN and RS-485 transceivers, I C and SPI connectors. The board can be connected to Artery’s AT-START board or other compatible control boards through standard Arduino Uno R3 connectors.
AT32-Comm-EV User Manual Contents Hardware layout and configuration ..............5 Arduino connectors ....................7 How to use AT32-Comm-EV .................. 9 Schematics ......................10 Revision history ....................13 2022.5.7 Rev 1.00...
Page 3
AT32-Comm-EV User Manual List of tables Table 1. Arduino Uno R3 connectors definition ................7 Table 2. Document revision history ....................13 2022.5.7 Rev 1.00...
Page 4
AT32-Comm-EV User Manual List of figures Figure 1. Top layer layout ........................5 Figure 2. Bottom layer layout ....................... 6 Figure 3. Schematic diagram (power supply, I C and SPI) ............... 10 Figure 4. Schematic diagram (RS-485 and CAN) ................11 Figure 5.
AT32-Comm-EV User Manual Hardware layout and configuration The AT32-Comm-EV board is connected to the AT-START board through Arduino connectors. In this way, the EV board is able to access the CAN, USART, I C and SPI on embedded AT32 MCU on AT-START board.
AT32-Comm-EV User Manual Arduino connectors Table 1. Arduino Uno R3 connectors definition Arduino AT32F403A Connector Function Description pin name pin name 号 IOREF 3.3 V reference voltage 3.3 V reference voltage RESET NRST External reset 3.3V 3.3 V input/output 3.3 V power supply...
Page 8
AT32-Comm-EV User Manual Arduino AT32F403A Connector Function Description pin name pin name 号 MISO PB14 SPI2_MISO SPI2_MISO 5 V input/output 5 V power supply PB13 SPI2_SCK SPI2_SCK MOSI PB15 SPI2_MOSI SPI2_MOSI (others) RESET NRST External reset Ground PB12 SPI2_CS SPI2_CS...
Power supply section of the AT-START user manual. Then it is ready to use the AT32-Comm-EV board, in which the CN1 is used to connect to SPI device, the CN2 to I C device, CN3 to RS-485, and CN4 to CAN.
AT32-Comm-EV User Manual Revision history Table 2. Document revision history Date Revision Changes 2022.5.7 1.00 Initial release 2022.5.7 Rev 1.00...
Page 14
No license, express or implied, to any intellectual property rights is granted under this document. If any part of this document deals with any third party products or services, it shall not be deemed a license grant by ARTERY for the use of such third party products or services, or any intellectual property contained therein, or considered as a warranty regarding the use in any manner whatsoever of such third party products or services or any intellectual property contained therein.
Need help?
Do you have a question about the AT32-Comm-EV and is the answer not in the manual?
Questions and answers