參數(shù)資料
型號: ST52F514
廠商: 意法半導(dǎo)體
英文描述: 8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI
中文描述: 8位重癥監(jiān)護(hù)病房智能控制單元兩個定時器/的PWM,模數(shù)轉(zhuǎn)換器,I2C,SPI和脊髓損傷
文件頁數(shù): 84/106頁
文件大?。?/td> 1340K
代理商: ST52F514
ST52F510/F513/F514
84/106
13.4 SCI Register Description
The following registers are related to the use of the
SCI peripheral.
13.4.1 SCI Configuration Registers.
SCI Control Register 1 (
SCI_CR1
)
Configuration Register 22 (016h) Read/Write
Reset Value: 0000 0000 (00h)
Bit 7:
RXFINT
SCDR_RX buffer full interrupt mask
0: interrupt disabled
1: interrupt enabled
Bit 6:
OVRINT
Overrun interrupt mask
0: interrupt disabled
1: interrupt enabled
Bit 5:
BRKINT
Break interrupt mask
0: interrupt disabled
1: interrupt enabled
Bit 4:
TXEMINT
SCDR_TX buffer empty interrupt
0: interrupt disabled
1: interrupt enabled
Bit 3:
TXENINT
TX end interrupt mask
0: interrupt disabled
1: interrupt enabled
Bit 2:
PAR/T8
Parity type selection or TX 9th bit
0: parity odd if enabled, else TX 9th bit=0
1: parity even if enabled, else TX 9th bit=1
Bit 1-0:
FRM
Frame type selection
00: 8 bit, no parity, 1 stop bit
01: 8 bit, no parity, 2 stop bit
10: 8 bit, parity, 1 stop bit
11: 9 bit, no parity, 1 stop bit
Note:
the SCI interrupts are not enabled unless the
bit 3 (MSKSCI) of the Configuration Register 0
(INT_MASK) is enabled (set to 1).
SCI Control Register 2 (
SCI_CR2
)
Configuration Register 23 (017h) Read/Write
Reset Value: 0000 0000 (00h)
Bit 7-4:
PRESC_H
Baud Rate prescaler (bit 11:8)
These bits are the higher part of the
prescaler (see SCI_CR3 Configuration
Register) which determinates the baud rate
of the communication, according to Table
13.1 and Table 13.2, as explained in
Paragraph 13.3.
Bit 3-2: not used
Bit 1:
RXSTRT
Reception enable
0: RX disabled
1: RX enabled
Bit 0:
TXSTRT
Transmission enable
0: TX disabled
1: TX enabled
SCI Control Register 3 (
SCI_CR3
)
Configuration Register 43 (02Bh) Read/Write
Reset Value: 0000 0000 (00h)
Bit 7-0:
PRESC_L
Baud Rate prescaler (bit 7:0)
These bits are the lower part of the
prescaler (see SCI_CR2 Configuration
Register) which determinates the baud rate
of the communication, according to Table
13.1 and Table 13.2, as explained in
Paragraph 13.3.
7
2
0
RXFINT OVRINT BRKINT TXEMINTTXENINT PAR/T8
FRM
7
4
2
0
PRESC_H
-
RXSTRT TXSTRT
7
0
PRESC_L
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