Hitachi H8/3937 Series Hardware Manual page 293

Table 10-11 SMR Settings and Corresponding Data Transfer Formats
SMR
bit 7 bit 6 bit 2
COM CHR MP
0 0 0
0 0 0
0 0 0
0 0 0
0 1 0
0 1 0
0 1 0
0 1 0
0 0 1
0 0 1
0 0 1
0 0 1
0 1 1
0 1 1
0 1 1
0 1 1
1 0
*
bit 5 bit 3
PE STOP Mode
0 0 Asynchronous 8-bit data No
0 1 mode
1 0
1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
Synchronous
* *
mode
Data Transfer Format
Data Multiprocessor
Length Bit
7-bit data
8-bit data Yes
5-bit data No
7-bit data Yes
5-bit data No
8-bit data No
Parity Stop Bit
Bit Length
No 1 bit
2 bits
Yes 1 bit
2 bits
No 1 bit
2 bits
Yes 1 bit
2 bits
No 1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
Yes 1 bit
2 bits
No No
*: Don't care
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