ST52F510FMB6 STMICROELECTRONICS [STMicroelectronics], ST52F510FMB6 Datasheet - Page 85
ST52F510FMB6
Manufacturer Part Number
ST52F510FMB6
Description
8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST52F510FMB6.pdf
(106 pages)
- Current page: 85 of 106
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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 0011 (03h)
Bit 7: NSERR Noise error
Bit 6: FRERR Frame error
Bit 5: RXF RX data register full
NSERR FRERR
RX7
7
7
0: noise error not occurred
1: noise error occurred
0: frame error not occurred
1: frame error occurred
0: RX data register already read
1: RX data register full but not read yet
RX6
RX5
RXF
OVERR
RX4
RX3
-
RX2
R8
TXEM
RX1
TXEND
RX0
0
0
Bit 4: OVERR Overrun error
Bit 3: not used
Bit 2: R8 Received 9th bit
Bit 1: TXEM TX data register empty
Bit 0: TXEND TX end flag
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.
TX7
7
0: overrun error not occurred
1: overrun error occurred
0: RX 9th bit=0
1: RX 9th bit=1
0: TX data register full
1: TX data register empty
0: data transferred to the shift register
1: data transmission completed
TX6
TX5
TX4
ST52F510/F513/F514
TX3
TX2
TX1
85/106
TX0
0
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