Renesas SH7781 - Manual (Page 1103)

21. Serial Communication Interface with FIFO (SCIF)
Rev.1.00 Jan. 10, 2008 Page 1073 of 1658
REJ09B0261-0100
Table 21.5 SCSMR and SCSCR Settings for SCIF Clock Source Selection
SCSMR SCSCR Settings
Bit 7:
C/
A
Bit 1:
CKE1 Bit 0:
CKE0 Mode Clock
Source
SCIF_SCK Pin Function
0 SCIF does not use SCIF_SCK pin 0
1
Internal
Outputs clock with frequency of
16 times the bit rate
0
0
1
1
Asynchronous
mode
External Inputs clock with frequency of 16
times the bit rate
1 0 0
1
Internal Outputs synchronization clock
1 0
Clocked
synchronous
mode
External Inputs synchronization clock
1