Wiki source code of Power controller

Version 6.2 by Mathias Larsen on 2026/05/25 10:42

author	version	line-number	content
		1
		2
		3	== Microcontroller Pinout ==
		4
		5	\|=Physical pin\|=Electrical pin\|=(((
		6	Description
		7	)))
		8	\|1\|VBAT\|Power source from a backup battery if a RTC would be used (Connected to +3V3 in this case)
		9	\|5\|OSC_IN\|Clock input (8MHz oscillator)
		10	\|7\|NRST\|Negative reset which can be connected to a button (Connected to +3V3)
		11	\|8\|PA0\|Current 6
		12	\|9\|PA1\|Current 7
		13	\|10\|PA2\|Current 5
		14	\|11\|PA3\|Current 4
		15	\|12\|PA4\|Current 3
		16	\|13\|PA5\|Current 2
		17	\|14\|PA6\|LED 9
		18	\|15\|PA7\|LED 2
		19	\|16\|PB0\|Current 8
		20	\|17\|PB1\|PWM enable Fan
		21	\|18\|PB2\|V-sense
		22	\|19\|VSSA\|Voltage source: Ground
		23	\|20\|VREF\|Voltage reference (connected to +3V3)??
		24	\|21\|VDDA\|Voltage source: Power (+3V3)
		25	\|22\|PB10\|LED 8
		26	\|23\|VSS\|Voltage source: Ground
		27	\|24\|VDD\|Voltage source: Power (+3V3)
		28	\|25\|PB11\|Current 1
		29	\|26\|PB12\|Current 9
		30	\|29\|PB15\|PWM fan
		31	\|30\|PA8\|Enable buzzeer
		32	\|31\|PA9\|Enable brake light
		33	\|32\|PA10\|ASMS signal
		34	\|33\|PA11\|CAN bus RXD
		35	\|34\|PA12\|CAN bus TXD
		36	\|35\|VSS\|Voltage source: Ground
		37	\|36\|VDD\|Voltage source: Power (+3V3)
		38	\|37\|PA13\|SWDIO
		39	\|38\|PA14\|SWCLK
		40	\|40\|PB3\|LED 3
		41	\|41\|PB4\|LED 4
		42	\|42\|PB5\|LED 5
		43	\|43\|PB6\|Enable Pump 1
		44	\|44\|PB7\|Enable Pump 2
		45	\|45\|PB8\|LED 6
		46	\|46\|PB9\|LED 7
		47	\|47\|VSS\|Voltage source: Ground
		48	\|48\|VDD\|Voltage source: Power (+3V3)
		49
		50