Hitachi H8/3048 Hardware Manual page 478

Communication Formats: Table 13-10 shows the 12 communication formats that can be selected
in asynchronous mode. The format is selected by settings in SMR.
www.DataSheet4U.com
Table 13-10 Serial Communication 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
Legend
S: Start bit
STOP: Stop bit
P: Parity bit
MPB: Multiprocessor bit
Serial Communication Format and Frame Length
STOP 1 2 3
0 S 8-bit data
1 S 8-bit data
0
S 8-bit data
1 S 8-bit data
0 S 7-bit data
S 7-bit data
1
S 7-bit data
0
1 S 7-bit data
S 8 bit data
0
1
S 8 bit data
0
S 7-bit data
1
S 7-bit data
467
4 5 6 7 8
STOP
STOP STOP
MPB
MPB
9 10 11 12
STOP
STOP STOP
P STOP
P STOP STOP
P STOP
P STOP STOP
MPB STOP
MPB STOP STOP
STOP
STOP STOP