HD6417751 Datasheet, PDF (288/1105 Pages) Renesas Technology Corp – SuperH RISC engine

Table 10.4 FRQCR Settings and Internal Clock Frequencies
FRQCR
(Lower 9 Bits)
CPU Clock
Frequency Division Ratio
Bus Clock
Peripheral Module Clock
9'h000
1
1
1/2
9'h002
1/4
9'h004
1/8
9'h008
1/2
1/2
9'h00a
1/4
9'h00c
1/8
9'h011
1/3
1/3
9'h013
1/6
9'h01a
1/4
1/4
9'h01c
1/8
9'h023
1/6
1/6
9'h02c
1/8
1/8
9'h048
1/2
1/2
1/2
9'h04a
1/4
9'h04c
1/8
9'h05a
1/4
1/4
9'h05c
1/8
9'h063
1/6
1/6
9'h06c
1/8
1/8
9'h091
1/3
1/3
1/3
9'h093
1/6
9'h0a3
1/6
1/6
9'h0da
1/4
1/4
1/4
9'h0dc
1/8
9'h0ec
1/8
9'h123
1/6
1/6
1/6
9'h16c
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. 3.0, 04/02, page 248 of 1064