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Table 14.11 shows the 12 data transfer formats that can be set in asynchronous mode. The format
is selected by the settings in the serial mode register (SMR).
Table 14.11 Data Transfer Formats (Asynchronous Mode)
SMR Settings
CHR
PE
MP
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
0
0
1
*
0
*
1
1
*
1
1
1
*
Note:
* Don't care
Notation:
S:
Start bit
STOP: Stop bit
P:
Parity bit
MPB: Multiprocessor bit
272
Serial Data Transfer Format and Frame Length
STOP
1
2
0
S
1
S
0
S
1
S
0
S
1
S
0
S
1
S
0
S
1
S
0
S
1
S
3
4
5
6
8-bit data
8-bit data
8-bit data
8-bit data
7-bit data
7-bit data
7-bit data
7-bit data
8-bit data
8-bit data
7-bit data
7-bit data
7
8
9
10
STOP
STOP STOP
P
P
STOP
STOP STOP
P
STOP
P
STOP STOP
MPB STOP
MPB STOP STOP
MPB STOP
MPB STOP STOP
11
12
STOP
STOP STOP
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