HD6432633 Datasheet, PDF (778/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

 When internal clock is selected:
The SCI operates on the baud rate generator clock and a serial clock is output off-chip
 When external clock is selected:
The on-chip baud rate generator is not used, and the SCI operates on the input serial clock
Table 16-8 SMR Settings and Serial Transfer Format Selection
SMR Settings
SCI Transfer Format
Bit 7
C/A
0
1
Bit 6
CHR
0
1
0
1
—
Bit 2
MP
0
1
—
Bit 5
PE
0
1
0
1
—
—
—
—
—
Bit 3
STOP Mode
Data
Length
0
Asynchronous
8-bit data
1
mode
0
1
0
7-bit data
1
0
1
0
Asynchronous
8-bit data
mode (multi-
1
processor format)
0
7-bit data
1
—
Clocked
8-bit data
synchronous mode
Multi
Processor
Bit
Parity
Bit
No
No
Yes
No
Yes
Yes
No
No
Stop Bit
Length
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
None
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