SH7706 Datasheet, PDF (518/749 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7700 Series

Section 16 Serial Communication Interface with FIFO (SCIF)
Table 16.7 SCSCR2 and SCSCR2 Settings and SCIF Clock Source Selection
Mode
Asynchronous
mode
SCSCR2 Settings
Bit 1
CKE1
Bit 0
CKE0
0
0
1
1
0
1
SCIF Transmit/Receive Clock
Clock
Source SCK2 Pin Function
Internal SCIF does not use the SCK2 pin
Outputs a clock with a frequency 16 times
the bit rate
External Inputs a clock with frequency 16 times the
bit rate
16.4.1 Serial Operation
Transmit/Receive Formats
Table 16.8 lists eight communication formats that can be selected. The format is selected by
settings in the SCSMR2.
Table 16.8 Serial Communication Formats
SCSMR2 Bits
CHR PE STOP
Serial Transmit/Receive Format and Frame Length
1 2345678 9
10 11 12
0
0
0
START
8-Bit data
STOP
0
0
1
START
8-Bit data
STOP STOP
0
1
0
START
8-Bit data
P STOP
0
1
1
START
8-Bit data
P STOP STOP
1
0
0
START
7-Bit data
STOP
1
0
1
START
7-Bit data
STOP STOP
1
1
0
START
7-Bit data
P STOP
1
1
1
Legend:
START: Start bit
STOP: Stop bit
P:
Parity bit
START
7-Bit data
P STOP STOP
Rev. 5.00 May 29, 2006 page 470 of 698
REJ09B0146-0500