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HD6417751RBP240V Datasheet, PDF (374/1226 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents
10. Clock Oscillation Circuits
2. For the ranges input clock frequency, see the description of the EXTAL clock input
frequency (fEX) and the CKIO clock output (fOP) in section 23.3.1, Clock and Control
Signal Timing.
Table 10.4 FRQCR Settings and Internal Clock Frequencies
FRQCR
(Lower 9 Bits)
CPU Clock
Frequency Division Ratio of Frequency Divider 2
Bus Clock
Peripheral Module Clock
H'000
1
H'002
H'004
H'008
1
1/2
1/4
1/8
1/2
1/2
H'00A
H'00C
H'011
H'013
H'01A
H'01C
H'023
1/4
1/8
1/3
1/3
1/6
1/4
1/4
1/8
1/6
1/6
H'02C
1/8
1/8
H'048
1/2
1/2
1/2
H'04A
1/4
H'04C
1/8
H'05A
1/4
1/4
H'05C
1/8
H'063
1/6
1/6
H'06C
1/8
1/8
H'091
1/3
1/3
1/3
H'093
1/6
H'0A3
1/6
1/6
H'0DA
1/4
1/4
1/4
H'0DC
1/8
H'0EC
1/8
H'123
1/6
1/6
1/6
H'16C
1/8
1/8
1/8
Note: Do not set values other than those shown in the table for the lower 9 bits of FRQCR.
Rev.4.00 Oct. 10, 2008 Page 274 of 1122
REJ09B0370-0400