DocID024597 Rev 3 1163/1693
RM0351 Inter-integrated circuit (I2C) interface
1177
Bit 2 RXIE: RX Interrupt enable
0: Receive (RXNE) interrupt disabled
1: Receive (RXNE) interrupt enabled
Bit 1 TXIE: TX Interrupt enable
0: Transmit (TXIS) interrupt disabled
1: Transmit (TXIS) interrupt enabled
Bit 0 PE: Peripheral enable
0: Peripheral disable
1: Peripheral enable
Note: When PE=0, the I2C SCL and SDA lines are released. Internal state machines and
status bits are put back to their reset value. When cleared, PE must be kept low for at
least 3 APB clock cycles.