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AN3311 Datasheet(PDF) 19 Page - STMicroelectronics |
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AN3311 Datasheet(HTML) 19 Page - STMicroelectronics |
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19 / 58 page ![]() AN3311 STM3210C-EVAL demonstration board Doc ID 18209 Rev 1 19/58 4.13 Daughterboard extension connector CN8 and CN9 Two 50-pin male headers, CN8 and CN9, can be used to connect a daughterboard or standard wrapping board to the STM3210C-EVAL demonstration board. All 80 GPIOs are available on it. The space between these two connectors and the power position, GND and RESET pin are defined as a standard, which allows to develop common daughterboards for several demonstration boards. The standard width between CN8 pin1 and CN9 pin1 is 2700 mills (68.58mm). This standard was implemented on the majority of demonstration boards. Each pin on CN8 and CN9 can be used by a daughterboard after disconnecting it from the corresponding function block on the STM3210C-EVAL demonstration board. 11 RTCK 12 GND 13 PB3 14 GND 15 RESET# 16 GND 17 DBGRQ 18 GND 19 DBGACK 20 GND Table 6. JTAG debugging connector CN13 (continued) Pin number Description Pin number Description Table 7. Daughterboard extension connector CN8 Pin Description Alternate function How to disconnect with function block on STM3210C- EVAL board 1GND - 3PC7 MC Disconnect STM3210C-EVAL board from motor power drive board 5 PC9 USB power switch On Remove R36 7 PA9 USB VBUS Remove R78 9 PA0 MC/Ethernet/WKUP Keep JP14 open. Disconnect STM3210C-EVAL board from motor power drive board. 11 PC14 via SB1 32 kHz oscillator Remove R161, close SB1 13 PA12 USB_DP Remove R43 or disconnect USB cable 15 PC15 via SB2 32 kHz oscillator Remove R59, close SB2 17 PC10 SPI1_CLK 19 GND - 21 PC12 SPI1_MOSI 23 PD1 CAN1_TX 25 PD3 LD3 Remove R96 27 PD5 USART2_TX 29 PD7 LD1 Remove R94 31 |
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