8-Bit Pwm Timer (Timer 1) - Fujitsu F2MC-8L Family series Hardware Manual

Peripherals
P/T
CNTR
P/T
IRQ2
CPU clock pulse*
Timer-2 output
(PWC timer)
* CPU clock pulse is 1/2 oscillation.
HARDWARE CONFIGURATION

2.2.2 8-bit PWM Timer (Timer 1)

• This timer can be used as an 8-bit timer or PWM control circuit with
8-bit resolution.
• Four kinds of clock frequency can be selected.
(1) Block diagram
— P1 P0 TRE
Timer/
PWM
Selector
1/2
1/32
1/128
(2) Register list
Address: 0012
H
Address: 0013
H
Internal-data bus
TIR 0E TIE
Start
CLK
CLEAR
OVER FLOW
P41/PWM
8 bits
CNTR R/W Control register
COMR W
2– 25
COMR
Compare register
8-bit
counter
8
8
Comparator
PWM generator and
output control
Output
enable
signal
Output
Compare register