Fujitsu 8FX

MB95630H Series
58 FUJITSU SEMICONDUCTOR LIMITED MN702-00009-2v0-E
CHAPTER 3 CLOCK CONTROLLER
3.9 Operation of Prescaler
Table 3.9-3 Count Clock Sources Generated by Prescaler (F
MCRPLL
)
Count clock source
frequency
Frequency
(F
MCRPLL
= 8 MHz,
MCLK = 8 MHz)
Frequency
(F
MCRPLL
= 10 MHz,
MCLK = 10 MHz)
Frequency
(F
MCRPLL
= 12 MHz,
MCLK = 12 MHz)
Frequency
(F
MCRPLL
= 16 MHz,
MCLK = 16 MHz)
MCLK/2 4 MHz 5 MHz 6 MHz 8 MHz
MCLK/4 2 MHz 2.5 MHz 3 MHz 4 MHz
MCLK/8 1 MHz 1.25 MHz 1.5 MHz 2 MHz
MCLK/16 0.5 MHz 0.625 MHz 0.75 MHz 1 MHz
MCLK/32 0.25 MHz 0.3125 MHz 0.375 MHz 0.5 MHz
F
MCRPLL
/2
6
125 kHz 156.25 kHz 187.5 kHz 0.25 MHz
F
MCRPLL
/2
7
62.5 kHz 78.125 kHz 93.75 kHz 125 kHz