ST STM32WL55JC User Manual

System configuration controller (SYSCFG) RM0453
428/1454 RM0453 Rev 2
11.2.2 SYSCFG configuration register 1 (SYSCFG_CFGR1)
Address offset: 0x004
Reset value: 0x7C00 0001
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res.
I2C3_FMP I2C2_FMP I2C1_FMP
I2C_PB9_FMP I2C_PB8_FMP I2C_PB7_FMP I2C_PB6_FMP
rw rw rw rw rw rw rw
1514131211109876543210
Res. Res. Res. Res. Res. Res. Res.
BOOSTEN
Res. Res. Res. Res. Res. Res. Res. Res.
rw
Bits 31:23 Reserved, must be kept at reset value.
Bit 22 I2C3_FMP: I2C3 Fast-mode Plus driving capability activation
This bit enables the Fm+ driving mode on I2C3 pins selected through AF selection bits.
0: Fm+ mode is not enabled on I2C3 pins selected through AF selection bits
1: Fm+ mode is enabled on I2C3 pins selected through AF selection bits.
Bit 21 I2C2_FMP: I2C2 Fast-mode Plus driving capability activation
This bit enables the Fm+ driving mode on I2C2 pins selected through AF selection bits.
0: Fm+ mode is not enabled on I2C2 pins selected through AF selection bits
1: Fm+ mode is enabled on I2C2 pins selected through AF selection bits.
Bit 20 I2C1_FMP: I2C1 Fast-mode Plus driving capability activation
This bit enables the Fm+ driving mode on I2C1 pins selected through AF selection bits.
0: Fm+ mode is not enabled on I2C1 pins selected through AF selection bits
1: Fm+ mode is enabled on I2C1 pins selected through AF selection bits.
Bit 19 I2C_PB9_FMP: Fast-mode Plus (Fm+) driving capability activation on PB9
This bit enables the Fm+ driving mode for PB9.
0: PB9 pin operates in standard mode.
1: Fm+ mode enabled on PB9 pin, and the speed control is bypassed.
Bit 18 I2C_PB8_FMP: Fast-mode Plus (Fm+) driving capability activation on PB8
This bit enables the Fm+ driving mode for PB8.
0: PB8 pin operates in standard mode.
1: Fm+ mode enabled on PB8 pin, and the speed control is bypassed.
Bit 17 I2C_PB7_FMP: Fast-mode Plus (Fm+) driving capability activation on PB7
This bit enables the Fm+ driving mode for PB7.
0: PB7 pin operates in standard mode.
1: Fm+ mode enabled on PB7 pin, and the speed control is bypassed.
Bit 16 I2C_PB6_FMP: Fast-mode Plus (Fm+) driving capability activation on PB6
This bit enables the Fm+ driving mode for PB6.
0: PB6 pin operates in standard mode.
1: Fm+ mode enabled on PB6 pin, and the Speed control is bypassed.

ST STM32WL55JC Specifications

General

Brand	ST
Model	STM32WL55JC
Category	Microcontrollers
Language	English