15. Clock Pulse Generator (CPG)
Rev.1.00 Jan. 10, 2008 Page 751 of 1658
REJ09B0261-0100
Table 15.8 Selectable Combinations of Clock Frequency (CPU Clock: × 1/2, 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'1225 2448 × 1/2 × 1/4 × 1/4 × 1/8 × 1/8 × 1/24 × 1/4 × 1/12
H'1225 2458 × 1/2 × 1/4 × 1/4 × 1/8 × 1/12 × 1/24 × 1/4 × 1/12
H'1225 2488 × 1/2 × 1/4 × 1/4 × 1/8 × 1/24 × 1/24 × 1/4 × 1/12
H'1225 244B × 1/2 × 1/4 × 1/4 × 1/8 × 1/8 × 1/48 × 1/4 × 1/12
H'1225 245B × 1/2 × 1/4 × 1/4 × 1/8 × 1/12 × 1/48 × 1/4 × 1/12
H'1225 246B × 1/2 × 1/4 × 1/4 × 1/8 × 1/16 × 1/48 × 1/4 × 1/12
H'1225 248B × 1/2 × 1/4 × 1/4 × 1/8 × 1/24 × 1/48 × 1/4 × 1/12
H'1225 24BB × 1/2 × 1/4 × 1/4 × 1/8 × 1/48 × 1/48 × 1/4 × 1/12
H'1226 244A × 1/2 × 1/4 × 1/4 × 1/8 × 1/8 × 1/36 × 1/4 × 1/16
H'1226 246A × 1/2 × 1/4 × 1/4 × 1/8 × 1/16 × 1/36 × 1/4 × 1/16
H'1226 24AA × 1/2 × 1/4 × 1/4 × 1/8 × 1/36 × 1/36 × 1/4 × 1/16
H'1226 244B × 1/2 × 1/4 × 1/4 × 1/8 × 1/8 × 1/48 × 1/4 × 1/16
H'1226 245B × 1/2 × 1/4 × 1/4 × 1/8 × 1/12 × 1/48 × 1/4 × 1/16
H'1226 246B × 1/2 × 1/4 × 1/4 × 1/8 × 1/16 × 1/48 × 1/4 × 1/16
H'1226 248B × 1/2 × 1/4 × 1/4 × 1/8 × 1/24 × 1/48 × 1/4 × 1/16
H'1226 24BB × 1/2 × 1/4 × 1/4 × 1/8 × 1/48 × 1/48 × 1/4 × 1/16
H'1228 2448 × 1/2 × 1/4 × 1/4 × 1/8 × 1/8 × 1/24 × 1/4 × 1/24
H'1228 2458 × 1/2 × 1/4 × 1/4 × 1/8 × 1/12 × 1/24 × 1/4 × 1/24
H'1228 2488 × 1/2 × 1/4 × 1/4 × 1/8 × 1/24 × 1/24 × 1/4 × 1/24
H'1228 244B × 1/2 × 1/4 × 1/4 × 1/8 × 1/8 × 1/48 × 1/4 × 1/24
H'1228 245B × 1/2 × 1/4 × 1/4 × 1/8 × 1/12 × 1/48 × 1/4 × 1/24
H'1228 246B × 1/2 × 1/4 × 1/4 × 1/8 × 1/16 × 1/48 × 1/4 × 1/24
H'1228 248B × 1/2 × 1/4 × 1/4 × 1/8 × 1/24 × 1/48 × 1/4 × 1/24
H'1228 24BB × 1/2 × 1/4 × 1/4 × 1/8 × 1/48 × 1/48 × 1/4 × 1/24
H'122A 244A × 1/2 × 1/4 × 1/4 × 1/8 × 1/8 × 1/36 × 1/4 × 1/36
H'122A 246A × 1/2 × 1/4 × 1/4 × 1/8 × 1/16 × 1/36 × 1/4 × 1/36
H'122A 24AA × 1/2 × 1/4 × 1/4 × 1/8 × 1/36 × 1/36 × 1/4 × 1/36