template:r39s2p_hw_pin - 苏州诺达佳自动化技术有限公司

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^ RS485&232  |               |   ^ J_LED-IR1  ^                | J_GPIO1  |               |   |   |   |   |
| 1          | RS485_A1      |   | 1          | VCC3_IR        | 1        | GPIO1         |   |   |   |   |
| 2          | RS485_B1      |   | 2          | IR             | 2        | GPIO3         |   |   |   |   |
| 3          | RS485_A2      |   | 3          | GND            | 3        | GPIO2         |   |   |   |   |
| 4          | RS485_B2      |   | 4          | AD             | 4        | GPIO4         |   |   |   |   |
| 5          | UART_RX3_232  |   | 5          | LEDB           | 5        | SPI2_MOSI_CN  |   |   |   |   |
| 6          | UART_TX3_232  |   | 6          | P_LED          | 6        | SPI2_MISO_CN  |   |   |   |   |
| 7          | UART_RX4_232  |   ^  I2C-TP    ^                | 7        | SPI2_CLK_CN   |   |   |   |   |
| 8          | UART_TX4_232  |   | 1          | GND            | 8        | SPI2_CS_CN    |   |   |   |   |
| 9          | GND           |   | 2          | I2C1_SDA_TP_C  | 9        | VCC5_GPIO     |   |   |   |   |
| 10         | GND           |   | 3          | I2C1_SCL_TP_C  | 10       | VCC5_GPIO     |   |   |   |   |
^ debug      |               |   | 4          | TP_RST_C       | 11       | GND           |   |   |   |   |
| 1          | NC            |   | 5          | TP_INT_C       | 12       | GND           |   |   |   |   |
| 2          | UART2_TX_     |   | 6          | TP_VDD         |          |               |   |   |   |   |
| 3          | UART2_RX      |   |            |                |          |               |   |   |   |   |
| 4          | GND           |   |            |                |          |               |   |   |   |   |

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