ST ST32M103 Series User Manual

Reset and clock control (RCC) UM0306
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Bit 6
IOPEEN I/O port E clock enable
Set and reset by software.
0: I/O port E clock disabled
1: I/O port E clock enabled
Bit 5
IOPDEN I/O port D clock enable
Set and reset by software.
0: I/O port D clock disabled
1: I/O port D clock enabled
Bit 4
IOPCEN I/O port C clock enable
Set and reset by software.
0: I/O port C clock disabled
1:I/O port C clock enabled
Bit 3
IOPBEN I/O port B clock enable
Set and reset by software.
0: I/O port B clock disabled
1:I/O port B clock enabled
Bit 2
IOPAEN I/O port A clock enable
Set and reset by software.
0: I/O port A clock disabled
1:I/O port A clock enabled
Bit 1 Reserved, always read as 0.
Bit 0
AFIOEN Alternate Function I/O clock enable
Set and reset by software.
0: Alternate Function I/O clock disabled
1:Alternate Function I/O clock enabled
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ST ST32M103 Series Specifications

General

Brand	ST
Model	ST32M103 Series
Category	Microcontrollers
Language	English