GigaDevice Semiconductor GD32VF103 - Page 351

GD32VF103 User Manual
351
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reserved
CTSIE
CTSEN
RTSEN
DENT
DENR
SCEN
NKEN
HDEN
IRLP
IREN
ERRIE
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Bits
Fields
Descriptions
31:11
Reserved
Must be kept the reset value
10
CTSIE
CTS interrupt enable
If this bit is set, an interrupt occurs when the CTSF bit in USART_STAT is set.
0: CTS interrupt disabled
1: CTS interrupt enabled
This bit is reserved for UART3/4.
9
CTSEN
CTS enable
This bit enables the CTS hardware flow control function.
0: CTS hardware flow control disabled
1: CTS hardware flow control enabled
This bit field cannot be written when the USART is enabled (UEN=1).
This bit is reserved for UART3/4.
8
RTSEN
RTS enable
This bit enables the RTS hardware flow control function.
0: RTS hardware flow control disabled
1: RTS hardware flow control enabled
This bit field cannot be written when the USART is enabled (UEN=1).
This bit is reserved for UART3/4.
7
DENT
DMA request enable for transmission
0: DMA request is disabled for transmission
1: DMA request is enabled for transmission
6
DENR
DMA request enable for reception
0: DMA request is disabled for reception
1: DMA request is enabled for reception
5
SCEN
Smartcard mode enable
This bit enables the smartcard work mode.
0: Smartcard mode disabled
1: Smartcard mode enabled
This bit field cannot be written when the USART is enabled (UEN=1).
This bit is reserved for UART3/4.
4
NKEN
NACK enable in Smartcard mode
This bit enables the NACK transmission when parity error occurs in smartcard
mode.