SH7147 Datasheet, PDF (583/1108 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 13 Serial Communication Interface (SCI)
Table 13.13 SCSMR Settings and SCI Communication Formats
SCSMR Settings
Bit 7 Bit 6 Bit 5 Bit 3
C/A CHR PE STOP Mode
0
0
0
0
Asynchronous
1
1
0
1
1
0
0
1
1
0
1
1
x
x
x
Clock
synchronous
[Legend]
x:
Don't care
SCI Communication Format
Data Length Parity Bit
Stop Bit
Length
8-bit
Not set
1 bit
2 bits
Set
1 bit
2 bits
7-bit
Not set
1 bit
2 bits
Set
1 bit
2 bits
8-bit
Not set
None
Table 13.14 SCSMR and SCSCR Settings and SCI Clock Source Selection
SCSMR SCSCR Settings
Bit 7
C/A
Bit 1 Bit 0
CKE1 CKE0 Mode
Clock
Source SCK Pin Function
0
0
0
Asynchronous Internal SCI does not use the SCK pin.
1
Clock with a frequency 16 times the bit rate
is output.
1
0
1
External Input a clock with frequency 16 times the
bit rate.
1
0
0
Clock
Internal Serial clock is output.
1
synchronous
1
0
External Input the serial clock.
1
Rev. 3.00 Oct. 06, 2008 Page 559 of 1080
REJ09B0230-0300