M37160M8 Datasheet, PDF (86/131 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

M37160M8/MA/MF-XXXSP/FP,M37160EFSP/FP
Clock frequency set register
b7 b6 b5 b4 b3 b2 b1 b0
00001011
Clock frequency set register(CFS) [Address 021016]
B
Name
0 to Clock frequency bit
7 (CFS 0 to 7)
FSCIN=4.43MHz
Functions
Set to 0B16
After reset R W
0E R W
Reference clock input Setting value ^{Main clock frequency}
f(XIN) [MHz]
OSD clock frequency
f(OSC) [MHz]
FSCIN=4.43MHz
0B
8.86
26.58
Note: Do not set other than the values shown above to CFS.
Fig.8.13.3 Clock frequency setting register
Clock control register 1
b7 b6 b5 b4 b3 b2 b1 b0
0000 000
Clock control register 1 (CC1) [Address 00CD16]
B
Name
0 System clock generating
circuit control bit (CC10)
1 to _{Fix these bits to "0"}
7
Functions
0 : Operation
1: Stop
After reset R W
0 RW
0 RW
Fig.8.13.4 Ckock control register 1
Clock control register 2
b7 b6 b5 b4 b3 b2 b1 b0
000 0 1
00
Clock control register 2 (CC2) [Address 021116]
B
Name
0,1 Fix these bits to "0"
Functions
After reset R W
0 RW
2 Clock sauce switch bit (Note) 0: FSCIN input signal
(CC22)
1: XCIN-XcoUT
3 _{Fix this bit to "1"}
0 RW
0 RW
4 to Fix these bits to "0"
7
0 RW
Note: This bit is valid when the CPU Mode Register (address 00FB16)
bit 7 (CM7) is set to 1.
Fig.8.13.5 Ckock control register 2
Rev.1.01 2003.11.13 page 86 of 130