15. Clock Pulse Generator (CPG)
Rev.1.00 Jan. 10, 2008 Page 752 of 1658
REJ09B0261-0100
Division ratio of divider 2
FRQMR1
read value
CPU
clock
Ick
RAM
clock
Uck
SuperHyway
clock
SHck
GDTA
clock
GAck
DU
clock
DUck
Peripheral
clock
Pck
DDR
clock
DDRck
Bus
clock
Bck
H'122B 244B × 1/2 × 1/4 × 1/4 × 1/8 × 1/8 × 1/48 × 1/4 × 1/48
H'122B 245B × 1/2 × 1/4 × 1/4 × 1/8 × 1/12 × 1/48 × 1/4 × 1/48
H'122B 246B × 1/2 × 1/4 × 1/4 × 1/8 × 1/16 × 1/48 × 1/4 × 1/48
H'122B 248B × 1/2 × 1/4 × 1/4 × 1/8 × 1/24 × 1/48 × 1/4 × 1/48
H'122B 24BB × 1/2 × 1/4 × 1/4 × 1/8 × 1/48 × 1/48 × 1/4 × 1/48
Table 15.9 Selectable Combinations of Clock Frequency (CPU Clock: × 1/4, DDR Clock: × 1/4)
Division ratio of divider 2
FRQMR1 read
value
CPU
clock
Ick
RAM
clock
Uck
SuperHyway
clock
SHck
GDTA
clock
GAck
DU
clock
DUck
Peripheral
clock
Pck
DDR
clock
DDRck
Bus
clock
Bck
H'2225 2448 × 1/4 × 1/4 × 1/4 × 1/8 × 1/8 × 1/24 × 1/4 × 1/12
H'2225 2458 × 1/4 × 1/4 × 1/4 × 1/8 × 1/12 × 1/24 × 1/4 × 1/12
H'2225 2488 × 1/4 × 1/4 × 1/4 × 1/8 × 1/24 × 1/24 × 1/4 × 1/12
H'2225 244B × 1/4 × 1/4 × 1/4 × 1/8 × 1/8 × 1/48 × 1/4 × 1/12
H'2225 245B × 1/4 × 1/4 × 1/4 × 1/8 × 1/12 × 1/48 × 1/4 × 1/12
H'2225 246B × 1/4 × 1/4 × 1/4 × 1/8 × 1/16 × 1/48 × 1/4 × 1/12
H'2225 248B × 1/4 × 1/4 × 1/4 × 1/8 × 1/24 × 1/48 × 1/4 × 1/12
H'2225 24BB × 1/4 × 1/4 × 1/4 × 1/8 × 1/48 × 1/48 × 1/4 × 1/12
H'2226 244A × 1/4 × 1/4 × 1/4 × 1/8 × 1/8 × 1/36 × 1/4 × 1/16
H'2226 246A × 1/4 × 1/4 × 1/4 × 1/8 × 1/16 × 1/36 × 1/4 × 1/16
H'2226 24AA × 1/4 × 1/4 × 1/4 × 1/8 × 1/36 × 1/36 × 1/4 × 1/16
H'2226 244B × 1/4 × 1/4 × 1/4 × 1/8 × 1/8 × 1/48 × 1/4 × 1/16
H'2226 245B × 1/4 × 1/4 × 1/4 × 1/8 × 1/12 × 1/48 × 1/4 × 1/16
H'2226 246B × 1/4 × 1/4 × 1/4 × 1/8 × 1/16 × 1/48 × 1/4 × 1/16
H'2226 248B × 1/4 × 1/4 × 1/4 × 1/8 × 1/24 × 1/48 × 1/4 × 1/16
H'2226 24BB × 1/4 × 1/4 × 1/4 × 1/8 × 1/48 × 1/48 × 1/4 × 1/16
H'2228 2448 × 1/4 × 1/4 × 1/4 × 1/8 × 1/8 × 1/24 × 1/4 × 1/24