SH7708 Datasheet, PDF (183/633 Pages) Renesas Technology Corp – SuperH™ RISC engine

Table 9.4 Range of Usable Frequencies for Each Clock Operating Mode(SH7708,
SH7708S) (cont)
FRQCR
Register
Mode Value PLL1
PLL2
Clock
Ratio*¹
(I:B:P)
Input Clock/
Crystal Oscillator CKIO Pin
Frequency Range Frequency Range
5*²
H'0102 OFF
OFF
1/2:1/2:1/8 2 MHz to 30 MHz 1 MHz to 15 MHz
H'0101 OFF
OFF
1/2:1/2:1/4 2 MHz to 30 MHz 1 MHz to 15 MHz
H'0100 OFF
OFF
1/2:1/2:1/2 2 MHz to 30 MHz 1 MHz to 15 MHz
H'01d1 ON (× 2) OFF
1:1/2:1/4 16 MHz to 30 MHz 8 MHz to 15 MHz
H'01d0 ON (× 2) OFF
1:1/2:1/2 16 MHz to 30 MHz 8 MHz to 15 MHz
H'01d4 ON (× 2) OFF
1/2:1/2:1/2 16 MHz to 30 MHz 8 MHz to 15 MHz
H'01d5 ON (× 2) OFF
1/2:1/2:1/4 16 MHz to 30 Mhz 8 MHz to 15 Mhz
H'01d6 ON (× 2) OFF
1/2:1/2:1/8 16 MHz to 30 MHz 8 MHz to 15 MHz
H'01e2 ON (× 4) OFF
2:1/2:1/2 16 MHz to 30 MHz 8 MHz to 15 MHz
H'01e6 ON (× 4) OFF
1:1/2:1/2 16 MHz to 30 MHz 8 MHz to 15 MHz
H'01ea ON (× 4) OFF
1/2:1/2:1/2 16 MHz to 30 MHz 8 MHz to 15 MHz
6*²
H'0102 OFF
OFF
1/2:1/2:1/8 2 MHz to 20 MHz 1 MHz to 10 MHz
H'0101 OFF
OFF
1/2:1/2:1/4 2 MHz to 20 MHz 1 MHz to 10 MHz
H'0100 OFF
OFF
1/2:1/2:1/2 2 MHz to 20 MHz 1 MHz to 10 MHz
H'01d1 ON (× 2) OFF
1:1/2:1/4 16 MHz to 20 MHz 8 MHz to 10 MHz
H'01d0 ON (× 2) OFF
1:1/2:1/2 16 MHz to 20 MHz 8 MHz to 10 MHz
H'01d4 ON (× 2) OFF
1/2:1/2:1/2 16 MHz to 20 MHz 8 MHz to 10 MHz
H'01d5 ON (× 2) OFF
1/2:1/2:1/4 16 MHz to 20 MHz 8 MHz to 10 Mhz
H'01d6 ON (× 2) OFF
1/2:1/2:1/8 16 MHz to 20 MHz 8 MHz to 10 MHz
H'01e2 ON (× 4) OFF
2:1/2:1/2 16 MHz to 20 MHz 8 MHz to 10 MHz
H'01e6 ON (× 4) OFF
1:1/2:1/2 16 MHz to 20 MHz 8 MHz to 10 MHz
H'01ea ON (× 4) OFF
1/2:1/2:1/2 16 MHz to 20 MHz 8 MHz to 10 MHz
7
H'0102 ON (× 1) OFF
1:1:1/4
8 MHz to 60 MHz 8 MHz to 60 MHz
H'0101 ON (× 1) OFF
1:1:1/2
8 MHz to 60 MHz 8 MHz to 60 MHz
H'0100 ON (× 1) OFF
1:1:1
8 MHz to 30 MHz 8 MHz to 30 MHz
H'0112 ON (× 2) OFF
2:1:1/2
8 MHz to 30 MHz 8 MHz to 30 MHz
H'0111 ON (× 2) OFF
2:1:1
8 MHz to 30 MHz 8 MHz to 30 MHz
H'0115 ON (× 2) OFF
1:1:1
8 MHz to 30 MHz 8 MHz to 30 MHz
H'0116 ON (× 2) OFF
1:1:1/2
8 MHz to 30 MHz 8 MHz to 30 MHz
H'0122 ON (× 4) OFF
4:1:1
8 MHz to 15 MHz 8 MHz to 15 MHz
H'0126 ON (× 4) OFF
2:1:1
8 MHz to 15 MHz 8 MHz to 15 MHz
H'012a ON (× 4) OFF
1:1:1
8 MHz to 15 MHz 8 MHz to 15 MHz
Notes: 1. Taking input clock as 1.
Maximum frequencies: Iø = 60 MHz, Bø = 60 MHz, Pø = 30 MHz.
2. Modes 5 and 6 are available only in the SH7708.
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