M16C26 Datasheet, PDF (82/239 Pages) Renesas Technology Corp – 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES

Udenvdeelropment
Timers
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative and subject to change. _{M16C/26 Group}
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timers
There are eight 16-bit timers. These timers can be classified by function into timers A (five) and timers B
(three). All these timers function independently. Figures 1.12.1 and 1.12.2 show the block diagram of
timers.
• XIN
1/2 ^{f2PCLK0 bit = "0"}
f1
f1 or f2
PCLK0 bit = "1"
XCIN
Clock prescaler
1/32
fC32
• Ring oscillator
1/8
clock
f1 or f2
1/4
f8 _{Clock prescaler reset flag (bit 7}
f32 ^{at address 038116) set to "1"}
Reset
f8 f32 fC32
TA0IN
TA1IN
TA2IN
TA3IN
TA4IN
Noise
filter
Noise
filter
Noise
filter
Noise
filter
Noise
filter
· Timer mode
· One-shot timer mode
· PWM mode
Timer A0
· Event counter mode
· Timer mode
· One-shot timer mode
· PWM mode
Timer A1
· Event counter mode
· Timer mode
· One-shot timer mode
· PWM mode
Timer A2
· Event counter mode
· Timer mode
· One-shot timer mode
· PWM mode
Timer A3
· Event counter mode
· Timer mode
· One-shot timer mode
· PWM mode
Timer A4
· _{Event counter mode}
Timer A0 interrupt
Timer A1 interrupt
Timer A2 interrupt
Timer A3 interrupt
Timer A4 interrupt
Timer B2 overflow
Figure 1.12.1. Timer A block diagram
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