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Definition of Pins

Pin Description

Pin Name Direction Description
1 and 2 Us 3.3V O Us 3.3V output pin, used for communication power supply of post-stage I/O devices
3, 4, 9, and 10 Us GND O Us GND output pin, used for communication power supply of post-stage I/O devices
5 Rx0+ I Prestage module is received by Ethernet +
6 Tx1+ O Post-stage module is transmitted by Ethernet +
7 Rx0- I Prestage module is received by Ethernet-
8 Tx1- O Post-stage module is transmitted by Ethernet -
11 Tx0+ O Prestage module is transmitted by Ethernet +
12 Rx1+ I Post-stage module is received by Ethernet +
13 Tx0- O Prestage module is transmitted by Ethernet -
14 Rx1- I Post-stage module is received by Ethernet -
15 SWDIO MCU data cable
16 SWCLK MCU clock line
17, 18, and 21 ENC0_A_P, ENC0_B_PENC0_Z_P I Phases A, B, and Z inputs of encoder 0 +
19, 20, and 23 ENC0_A_N, ENC0_B_NENC0_Z_N I Phases A, B, and Z inputs of encoder 0 -
25, 26, and 29 ENC1_A_P, ENC1_B_PENC1_Z_P I Phases A, B, and Z inputs of encoder 1 +
27, 28, and 31 ENC1_A_N, ENC1_B_NENC1_Z_N I Phases A, B, and Z inputs of encoder 1 -
22 VDD_5V O 5V output
24 NC Not connect
30 and 32 LATCH_IN0LATCH_IN1 I Latch input of encoders 0 and 1
33~35 Up 0V I Field-side power supply 0V
36~38 Up 24V I Field-side power supply 24V
39, 40 PE - Earth
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SC9100|Placeholder Module
Last modified: 2025-06-30