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Section 15 Serial Communication Interface with FIFO
R01UH0134EJ0400 Rev. 4.00 Page 749 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Table 15.10 SCSMR and SCSCR Settings and Clock Source Selection
SCSMR SCSCR Transmit/Receive Clock
Bit 7 C/A
Bit 1, 0
CKE[1:0] Mode
Clock
Source SCK Pin Function
0 00 Asynchronous Internal This module does not use the SCK pin.
01 Outputs a clock with a frequency 16/8 times
the bit rate
10 External Inputs a clock with frequency 16/8 times the
bit rate
11 Setting prohibited
1 0x Clock
synchronous
Internal Outputs the serial clock
10 External Inputs the serial clock
11 Setting prohibited
[Legend]
x: Don't care
Note: When using the baud rate generator in double-speed mode (BGMD = 1), select
asynchronous mode by setting the C/A bit to 0, and select an internal clock as a clock
source and the SCK pin is not used (the CKE[1:0] bits set to 00).