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SMR0—Serial Mode Register 0
Bit
7
C/A
Initial value
0
Read/Write
R/W
Character Length
0
1
Communication Mode
0
Asynchronous mode
1
Synchronous mode
6
5
CHR
PE
0
0
R/W
R/W
Stop Bit Length
Parity Mode
0
Even parity
1
Odd parity
Parity Enable
0
Parity bit addition and checking disabled
1
Parity bit addition and checking enabled
8-bit data
*1
7-bit data
H'FF78
4
3
O/E
STOP
0
0
R/W
R/W
Multiprocessor Mode
0
1
0
1 stop bit: In transmission, a single 1 bit (stop bit)
is added to the end of a transmit character before
it is sent.
2 stop bits: In transmission, two 1 bits (stop bits)
1
are added to the end of a transmit character
before it is sent.
*3
*4
2
1
MP
CKS1
0
0
R/W
R/W
Clock Select 1 and 0
0
0
ø clock
1
ø/4 clock
1
0
ø/16 clock
1
ø/64 clock
Multiprocessor function disabled
Multiprocessor format selected
*2
SCI0
0
CKS0
0
R/W
1031
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