这是本文档旧的修订版！

1 RS485_A1
2 RS485_B1
3 RS485_A2
4 RS485_B2
5 UART_RX3_232
6 UART_TX3_232
7 UART_RX4_232
8 UART_TX4_232
9 GND
10 GND
RS485&232
1 NC
2 UART2_TX_
3 UART2_RX
4 GND
debug

您的足迹: • english • nk-rk3399-v0c • nk-6a12 • r36s0 • r39s2_hw_jump • r39s2p_hw_pin

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