ST EVALSPEAr320HMI, Руководство пользователя, Страница: 22 / 36

Connector pinouts EVALSPEAr320HMI
22/36 Doc ID 18410 Rev 3
5.10 General purpose GPIO, I2C connector (CN701)
5.11 Primer2 extension connector (CN702)
Table 20. General purpose GPIO, I2C connector pinout (CN701)
Pin Description Pin Description Pin Description Pin Description
1 +3V3 6
PL_GPIO5
(I2C_SDA)
(1)(2)
11 PL_GPIO34 16 GND
2 NC 7 NC 22 GND 17 NC
3 NC 8 NC 23 PL_GPIO35 18 +2V5
4 GND 9 PL_GPIO39 24 GND 19 +5V0
5
PL_GPIO4
(I2C_SCK)
(2)
10 GND 25 PL_GPIO21 20 NC
1. R708, R709 -pull-ups for the SCLK and SDA line of I2C
2. R104, C80 -RC filter for the SDA line (R707, C701)
Table 21. Primer2 extension connector pinout (CN702)
Pin Description Pin Description Pin Description Pin Description
1 +3V3 6 SSP0_MOSI 11 AIN3 16 UART2_TX
2 GND 7 SSP0_CLK 22 AIN4 17 PL_GPIO_54
3 I2C_SCK
(1)
8 SSP0_SS0 23 AIN2 18 UART2_RX
4 I2C_SDA
(1)(2)
9 P1_CANH 24 PL_GPIO52 19 +5V0
5 SSP0_MISO 10 P1_CANL 25 PL_GPIO53 20 GND
1. R708, R709 -Pull-ups for the SCLK and SDA line of I2C
2. R104, C80 -RC filter for the SDA line (R707, C701)
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