SH7670 Datasheet, PDF (988/1292 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

Section 22 Serial Communication Interface with FIFO (SCIF)
Table 22.10 SCSMR and SCSCR Settings and SCIF Clock Source Selection
SCSMR
Bit 7 C/A
0
SCSCR
Bit 1, 0
CKE[1:0]
00
01
10
11
1
0x
10
11
[Legend]
x: Don't care
Mode
Asynchronous
Clocked
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
Setting prohibited
Internal Outputs the serial clock
External Inputs the serial clock
Setting prohibited
Rev. 1.00 Nov. 14, 2007 Page 962 of 1262
REJ09B0437-0100