参数资料
型号: ST52F514Y2B6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP16
封装: PLASTIC, DIP-16
文件页数: 90/106页
文件大小: 648K
代理商: ST52F514Y2B6
ST52F510/F513/F514
84/106
13.4.2 SCI Input Registers.
SCI RX data Input Register (SCI_IN)
Input Register 36 (024h) Read only
Reset Value: 0000 0000 (00h)
Bit 7-0: RX7-0 RX Data
In this register the last received serial data can be
read.
SCI Status Register (SCI_STATUS)
Input Register 37 (025h) Read only
Reset Value: 0000 0000 (00h)
Bit 7: NSERR Noise error
0: noise error not occurred
1: noise error occurred
Bit 6: FRERR Frame error
0: frame error not occurred
1: frame error occurred
Bit 5: RXF RX data register full
0: RX data register already read
1: RX data register full but not read yet
Bit 4: OVERR Overrun error
0: overrun error not occurred
1: overrun error occurred
Bit 3: not used
Bit 2: R8 Received 9th bit
0: RX 9th bit=0
1: RX 9th bit=1
Bit 1: TXEM TX data register empty
0: TX data register full
1: TX data register empty
Bit 0: TXEND TX end flag
0: data transferred to the shift register
1: data transmission completed
13.4.3 SCI Output Register.
SCI TX data Output Register (SCI_OUT)
Input Register 23 (017h) Write only
Reset Value: 0000 0000 (00h)
Bit 7-0: TX7-0 TX Data
In this register the serial data to be transmitted can
be written.
70
RX7
RX6
RX5
RX4
RX3
RX2
RX1
RX0
70
NSERR
FRERR
RXF
OVERR
-
R8
TXEM
TXEND
70
TX7
TX6
TX5
TX4
TX3
TX2
TX1
TX0
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