User Manual

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32 RXN3/G17 A RXN3
33 RXP4/G18 A RXP4
34 RXN4/G19 A RXN4
35 TXN0 A TXN0
36 TXP0 A TXP0
37 INT O INTERRUPT （Reserved）
38 RX0 I RX0
39 TX0 O TX0
40 RX1/PWM0 I/O RX1
41 ELED0 O
ETH 0 LED(
activate low
)
42 RST I Reset
43 ES1 I ES1
44 TX1/PWM1 I/O TX1
45 G20 I/O GPIO20 （Reserved）
46 VCC POWER 5V INPUT
47 EL1/G21 I/O ETH 1 LED
48 EL2/G22 I/O ETH 2 LED
49 EL3/G23 I/O ETH 3 LED
50 GND Power GND
51 RES7 - （Reserved）
52 RTS1/G24 I/O RTS1
Note: reserved pin is currently not used,please hang!
ES0 Function Introductions ：
1. After System boot, ES0 keep the lower level time 0.05s<t<6s, Serial 0 exit
transparent transmission.
2. After System boot, ES0 keep the lower level time 6s<t<12s, client settings
reset.
3. On electic ES0 is a lower level, the lower level time 6s<t<12s, client settin
gs reset.
ES1 Function Introductions ：
1. After System boot, ES1 keep the lower level time 0.05s<t<6s, Serial 1 exit
transparent transmission.
2. After System boot, ES1 keep thelower level time 6s<t<12s,factory reset.