
Pin layout of the two double pin headers, direction of view from above through the circuit board
(orientation when plugged in).
Pin MMFD
Designation
Function
A1
GND
Ground
A3
LED-A_red
Open-drain outputs for external status LEDs
A5
LED-A_green
A7
LED-B_red
A9
LED-B_green
A11
FC1_I2C-SDA
I²C 1: identification of the motherboard type via external EEPROM
A13
FC1_I2C-SCL
A15
Reserved
A17
Reserved
A19
Ext-CAN-Sel#
Alternative, external CAN transceiver is used if put on ground
A21
Reserved
A23
Reserved
A25
Reserved
A27
Dout-0
Digital outputs 0 to 7 for switching external output drivers, 3.3 V level
Static state: 0, 1
PWM at 1 – 10,000 Hz (common frequency for all outputs)
A29
Dout-1
A31
Dout-2
A33
Dout-3
A35
Dout-4
A37
Dout-5
A39
Dout-6
A41
Dout-7
A43
CAN-H
High-speed CAN ISO 11898-2: differential signal High
A45
CAN-L
High-speed CAN ISO 11898-2: differential signal Low
A47
Reset-in#
Module reset, Low-active, internal pull-up 10 kΩ to 3.3 V
A49
GND
Ground
2 Electrical Connection
PCAN-MicroMod FD
User Manual 1.1.1
© 2020 PEAK-System Technik GmbH
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