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5.2.2
J2 – Comm, GPIO & Audio
Hirose DF20F-20DP-1V(56)
Pin
No.
Name
Comments
1
RS485_TX_R_P
2
RS485_RX_R_P
3
RS485_TX_R_N
4
RS485_RX_R_N
5
PWM2
Uses 3.3V Level. See SDK
documentation for control.
6
PWM1
Uses 3.3V Level. See SDK
documentation for control.
7
GND
8
PWM3
Uses 3.3V Level. See SDK
documentation for control.
9
AUDIO_LINE_OUT_LEFT
10
AUDIO_LINE_OUT_RIGHT
11
AUDIO_LINE_OUT_COMMON
12
I2C_data_signal
Uses 3.3V Level
13
GND
14
I2C_clock_signal
Uses 3.3V Level
15
CON_OUT
I/O output for dry contact output.
16
GND
17
CON_IN2
I/O input for dry contact input.
18
AUDIO_LINE_IN_RIGHT
19
CON_IN1
I/O input for dry contact input.
20
AUDIO_LINE_IN_LEFT