SH7641 Datasheet, PDF (744/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 19 Serial Communication Interface with FIFO (SCIF)
Initial
Bit
Bit Name value R/W Description
2

0
R Reserved
This bit is always read as 0. The write value should
always be 0.
1
CKS1
0
R/W Clock Select 1, 0
0
CKS0
0
R/W Select the internal clock source of the on-chip baud rate
generator. Four clock sources are available. Pφ, Pφ/4,
Pφ/16 and Pφ/64. For further information on the clock
source, bit rate register settings, and baud rate, see
section 19.3.8, Bit Rate Register (SCBRR).
00: Pφ
01: Pφ/4
10: Pφ/16
11: Pφ/64
Note: Pφ: Peripheral clock
Rev. 4.00 Sep. 14, 2005 Page 694 of 982
REJ09B0023-0400