Power controller

Version 5.2 by Mathias Larsen on 2026/05/24 18:03

Physical pinElectrical pin

Description

1VBATPower source from a backup battery if a RTC would be used (Connected to +3V3 in this case)
5OSC_INClock input (8MHz oscillator)
7NRSTNegative reset which can be connected to a button (Connected to +3V3)
8PA0Current 6
9PA1Current 7
10PA2Current 5
11PA3Current 4
12PA4Current 3
13PA5Current 2
14PA6LED 9
15PA7LED 2
16PB0Current 8
17PB1PWM enable Fan
18PB2V-sense
19VSSAVoltage source: Ground
20VREFVoltage reference (connected to +3V3)??
21VDDAVoltage source: Power (+3V3)
22PB10LED 8
23VSSVoltage source: Ground
24VDDVoltage source: Power (+3V3)
25PB11Current 1
26PB12Current 9
29PB15PWM fan
30PA8Enable buzzeer
31PA9Enable buzzer
32PA10ASMS signal
33PA11CAN bus RXD
34PA12CAN bus TXD
35VSSVoltage source: Ground
36VDDVoltage source: Power (+3V3)
37PA13SWDIO
38PA14SWCLK
40PB3LED 3
41PB4LED 4
42PB5LED 5
43PB6Enable Pump 1
44PB7Enable Pump 2
45PB8LED 6
46PB9LED 7 
47VSSVoltage source: Ground
48VDDVoltage source: Power (+3V3)