RM0316 Datasheet, PDF (488/1141 Pages) STMicroelectronics – This reference manual targets application developers

Operational amplifier (OPAMP)
RM0316
Bits 3:2 VP_SEL: OPAMP4 Non inverting input selection.
Theses bits are set and cleared by software. They allow selecting the OPAMP4 non inverting input.
00: PD11 used as OPAMP4 non inverting input
01: PB11 used as OPAMP4 non inverting input
10: PA4 used as OPAMP4 non inverting input
11: PB13 used as OPAMP4 non inverting input
Bit 1 FORCE_VP:
This description will be given in a future version of this document.
Bit 0 OPAMP4EN: OPAMP4 enable.
This bit is set and cleared by software. I allows enabling the OPAMP4.
0: OPAMP4 is disabled.
1: OPAMP4 is enabled.
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