ST STM32F446 Series

RM0390 Rev 4 201/1328
RM0390 System configuration controller (SYSCFG)
202
Bits 31:2 Reserved, must be kept at reset value.
Bit 1 FMPI2C1_SDA
Set and cleared by software. When set it forces FM+ drive capability on
FMPI2C1_SDA pin selected through GPIO port mode register and GPIO alternate
function selection bits
Bit 0 FMPI2C1_SCL
Set and cleared by software. When set it forces FM+ drive capability on
FMPI2C1_SCL pin selected through GPIO port mode register and GPIO alternate
function selection bits