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UM0843 데이터시트(PDF) 28 Page - STMicroelectronics |
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UM0843 데이터시트(HTML) 28 Page - STMicroelectronics |
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28 / 48 page ![]() Connectors UM0843 28/48 Doc ID16543 Rev 2 7.7 General purpose GPIO connector J25 Figure 10. General purpose GPIO J25 7.8 RS485 DB9 socket P1, P8 Figure 11. RS485 DB9 socket connector P1, P8 4GND 9AIN3 14 GND 19 ADC VREF NEGTIVE 5 AIN1 10 GND 15 AIN6 20 GND Table 26. General purpose ADC connector J27 (continued) Pin Signal Pin Signal Pin Signal Pin Signal Table 27. General purpose GPIO J25 Pin Signal Pin Signal Pin Signal Pin Signal 1 +3V3 4 basGPIO2 7 basGPIO5 10 TXD0 2 basGPIO0 5 basGPIO3 8 TXD2 11 TX_CLK 3 basGPIO1 6 basGPIO4 9 TXD1 12 GND 12 5 7 9 46 8 10 11 12 3 Table 28. RS485 DB9 socket connector P1, P8 Pin number Description Pin number Description 1NC 6 NC 2NC 7 A 3NC 8 B 4NC 9 NC 5GND |
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