MCBSTM32EXL Keil, MCBSTM32EXL Datasheet - Page 690
MCBSTM32EXL
Manufacturer Part Number
MCBSTM32EXL
Description
BOARD EVALUATION FOR STM32F103ZE
Manufacturer
Keil
Specifications of MCBSTM32EXL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Universal synchronous asynchronous receiver transmitter (USART)
25.6.6
690/995
31
15
30
14
Bits 31:11 Reserved, forced by hardware to 0.
Control register 3 (USART_CR3)
Address offset: 0x14
Reset value: 0x0000
Reserved
Bit 10 CTSIE: CTS interrupt enable
Bit 9 CTSE: CTS enable
Bit 8 RTSE: RTS enable
Bit 7 DMAT: DMA enable transmitter
Bit 6 DMAR: DMA enable receiver
Bit 5 SCEN: Smartcard mode enable
Res.
29
13
Note: This bit is not available for UART4 & UART5.
Note: This bit is not available for UART4 & UART5.
Note: This bit is not available for UART4 & UART5.
Note: This bit is not available for UART5.
Note: This bit is not available for UART5.
Note: This bit is not available for UART4 & UART5.
0: Interrupt is inhibited
1: An interrupt is generated whenever CTS=1 in the USART_SR register
0: CTS hardware flow control disabled
1: CTS mode enabled, data is only transmitted when the nCTS input is asserted (tied to 0).
If the nCTS input is deasserted while a data is being transmitted, then the transmission is
completed before stopping. If a data is written into the data register while nCTS is asserted,
the transmission is postponed until nCTS is asserted.
0: RTS hardware flow control disabled
1: RTS interrupt enabled, data is only requested when there is space in the receive buffer.
The transmission of data is expected to cease after the current character has been
transmitted. The nRTS output is asserted (tied to 0) when a data can be received.
This bit is set/reset by software
1: DMA mode is enabled for transmission
0: DMA mode is disabled for transmission
This bit is set/reset by software
1: DMA mode is enabled for reception
0: DMA mode is disabled for reception
This bit is used for enabling Smartcard mode.
0: Smartcard Mode disabled
1: Smartcard Mode enabled
28
12
27
11
CTSIE
26
10
rw
CTSE
25
rw
9
Doc ID 13902 Rev 9
RTSE
24
rw
8
Reserved
DMAT
23
rw
7
DMAR
22
rw
6
SCEN
21
rw
5
NACK
20
rw
4
SEL
HD
19
rw
3
IRLP
18
rw
2
IREN
17
rw
1
RM0008
EIE
16
rw
0
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