Renesas SH7781 User Manual
Page 1103
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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
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