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UM1817 Datasheet(PDF) 29 Page - STMicroelectronics |
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UM1817 Datasheet(HTML) 29 Page - STMicroelectronics |
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29 / 58 page ![]() DocID026902 Rev 3 29/58 UM1817 Connectors 57 3.6 Daughterboard extension connectors CN6 and CN7 Two 52-pin male headers CN6 and CN7 are used to connect with daughterboard or standard wrapping board to the STM32091C-EVAL evaluation board. All GPIOs are available on it. The space between these two connectors, position of power, GND and RESET pin are defined as a standard which allows developing common daughterboards for several STM32 evaluation boards. The standard width between CN6 pin 1 and CN7 pin 1 is 2700 mils (68.58 mm). Most of evaluation boards implement this standard. Each pin on CN6 and CN7 can be used by a daughterboard after disconnecting it from the corresponding function block on the STM32091C-EVAL evaluation board. Refer to Table 22 and Table 23 for details. Table 21. CAN D-type 9-pin male connector CN5 Pin number Description Pin number Description 1,4,8,9 NC 7 CANH 2 CANL 3,5,6 GND Table 22. Daughterboard extension connector CN6 Pin Description Alternative function How to disconnect with function block on the STM32091C-EVAL board 1GND - - 3PC7 - - 5 PC9 8xUSART8_RX No Jumper mounted on CN1 7 PA9 8xUSART1_TX/USART1_TX Remove R52, No Jumper mounted on CN1 9 PA10 8xUSART1_RX/USART1_RX no Jumper mounted on JP1 11 PC14 OSC32_IN Remove R54, Close SB11 13 PA12 USART1_RTS/RS485_DIR Remove R50 15 PC15 OSC32_OUT Remove R55, Close SB12 17 PA14 SWCLK Remove R60 19 GND - - 21 PC11 8xUSART4_RX No Jumper mounted on CN1 23 PD0 CAN_RX Remove R34 25 PD2 USART5_RX Remove R153 27 PD4 - - 29 PD6 8xUSART2_RX No Jumper mounted on CN1 31 PD7 SmartCard_CK Remove R134 33 PB4 8xUSART5_RX No Jumper mounted on CN1 35 PB6 I2C1_SCL Remove R4,R20,R27,R28 |
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