SH7125_08 Datasheet, PDF (463/774 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 12 Serial Communication Interface (SCI)
Table 12.13 SCSMR Settings and SCI Communication Formats
SCSMR Settings
Bit 7 Bit 6 Bit 5 Bit 3
C/A CHR PE STOP Mode
0
00
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 12.14 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. 4.00 Jul. 25, 2008 Page 443 of 750
REJ09B0243-0400