SH7641 Datasheet, PDF (772/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 19 Serial Communication Interface with FIFO (SCIF)
Table 19.8 SCSMR Settings and SCIF 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
*
*
*
Synchronous
Note: *: Don't care
SCIF Communication Format
Data Length
8 bits
Parity Bit
Not set
Set
7 bits
Not set
Set
8 bits
Not set
Stop Bit Length
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
None
Table 19.9 SCSMR and SCSCR Settings and SCIF Clock Source Selection
SCSMR
SCSCR
Settings
Bit 7 Bit 1 Bit 0
C/A CKE1 CKE0
0
0
0
1
Mode
Asynchronous
1
0
1
0
*
1
0
Note: *: Don't care
Synchronous
SCIF Transmit/Receive Clock
Clock
Source SCK Pin Function
Internal SCIF does not use the SCK pin
Outputs a clock with a frequency 16 times
the bit rate
External Inputs a clock with frequency 16 times the
bit rate
Internal Outputs the serial clock
External Inputs the serial clock
Rev. 4.00 Sep. 14, 2005 Page 722 of 982
REJ09B0023-0400