Figure 3.6-1 Clock Supply Map - Fujitsu F2MC-8L Series Hardware Manual

CHAPTER 3 CPU
Figure 3.6-1 shows the clock supply map.
X0
Pin
F
CH
Main clock
X1
oscillator
Pin
Clock mode
Stop mode
Clock mode
Divide-by-two
X0A
Pin
Subclock
F
X1A
oscillator
Pin
F : Main clock oscillation
CH
F : Subclock oscillation
CL
t : Instruction cycle
inst
*1: Not dependent on the clock mode or gear function.
*2: The operation speed, for example, is dependent on the clock mode and gear function.
*3: Stops operation the moment the clock (main clock or subclock) providing source oscillation stops.
*4: The remote-control transmission frequency generator is provided only for the MB89120A.
60

Figure 3.6-1 Clock Supply Map

Timebase timer
Divide-by-two
Clock controller
Divide-by-four
Gear function
Divide-by-eight
Divide-by-16
Divide-by-64
Sleep mode
Stop mode
Watch mode
Oscillation stabilization delay
Stop mode
Watch mode
Free-run counter
CL
Watch prescaler
*1, *3
3
3
4
3
Supply to
the CPU
1 t
inst
Supply to
peripheral
4
circuit
1 t
inst
4
*2
*1, *3
Peripheral functions
*1
Watchdog timer
*2
TTO
8/16-bit timer/counter
*2
8-bit serial I/O
SCK
*1
Buzzer output
*2, *4
Remote-control
transmission
frequency generator
*1
Oscillation stabilization
delay controller
*1
Peripheral control
clock output
EC
Pin
Pin