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AT32WB415
Series Reference Manual
2022.04.13
Page 147
Ver 2.00
12.11.6 Control register3 (USART_CTRL3)
Bit
Register
Reset value
Type
Description
Bit 31: 11 Reserved
0x000000
resd
Forced to be 0 by hardware.
Bit 10
CTSCFIEN
0x0
rw
CTSCF interrupt enable
0: Interrupt is disabled.
1: Interrupt is enabled.
Bit 9
CTSEN
0x0
rw
CTS enable
0: CTS is disabled.
1: CTS is enabled.
Bit 8
RTSEN
0x0
rw
RTS enable
0: RTS is disabled.
1: RTS is enabled.
Bit 7
DMATEN
0x0
rw
DMA transmitter enable
0: DMA transmitter is disabled.
1: DMA transmitter is enabled.
Bit 6
DMAREN
0x0
rw
DMA receiver enable
0: DMA receiver is disabled.
1: DMA receiver is enabled.
Bit 5
SCMEN
0x0
rw
Smartcard mode enable
0: Smartcard mode is disabled.
1: Smartcard mode is enabled.
Bit 4
SCNACKEN
0x0
rw
Smartcard NACK enable
This bit is used to send NACK when parity error occurs.
0: NACK is disabled when parity error occurs.
1: NACK is enabled when parity error occurs.
Bit 3
SLBEN
0x0
rw
Single-wire bidirectional half-duplex enable
0: Single-wire bidirectional half-duplex is disabled.
1: Single-wire bidirectional half-duplex is enabled.
Bit 2
IRDALP
0x0
rw
IrDA low-power mode
This bit is used to configure IrDA low-power mode.
0: IrDA low-power mode is disabled.
1: IrDA low-power mode is enabled.
Bit 1
IRDAEN
0x0
rw
IrDA enable
0: IrDA is disabled.
1: IrDA is enabled.
Bit 0
ERRIEN
0x0
rw
Error interrupt enable
An interrupt is generated when a framing error, overflow
error or noise error occurs.
0: Error interrupt is disabled.
1: Error interrupt is enabled.