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SMR0—Serial Mode Register 0
Bit
7
C/A
Initial value
0
Read/Write
R/W
Asynchronous Mode/Synchronous Mode Select
6
CHR
PE
0
R/W
R/W
Parity Enable
Character Length
0 8-bit data
1
7-bit data*
Note: * When 7-bit data is selected, the MSB (bit 7)
of TDR is not transmitted, and LSB-first/
MSB-first selection is not available.
0 Asynchronous mode
1
Synchronous mode
5
4
O/E
STOP
0
0
R/W
R/W
Stop Bit Length
0 1 stop bit
1
Parity Mode
0 Even parity
1
Odd parity
0 Parity bit addition and checking disabled
1
Parity bit addition and checking enabled
H'FF78
3
2
MP
CKS1
0
0
R/W
R/W
Clock Select
0
1
Multiprocessor Mode
0 Multiprocessor function disabled
1
Multiprocessor format selected
2 stop bits
SCI0
1
0
CKS0
0
0
R/W
0 ø clock
1
ø/4 clock
0
ø/16 clock
1
ø/64 clock
571
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