M30222 Datasheet, PDF (68/237 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
Specifications in this manual are tentative and subject to change
M30222 Group
Rev. G
Timers
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timers
There are eleven 16-bit timers. These timers can be classified by function into Timers A (five) and
Timers B (six). All these timers function independently. Figures 1.45 and 1.46 show the block diagram
of timers.
XIN
1/8
1/4
f1 f8 f32 fC32
TA0 IN
TA1 IN
Noise
filter
Noise
filter
TA2 IN
Noise
filter
TA3 IN
(Note 1)
TA4 IN
(Note 2)
Noise
filter
Noise
filter
Clock prescaler
f1
XCIN
1/32
fC32
f8 _{Clock prescaler reset flag (bit 7}
f32 ^{at address 038116) set to “1”}
Reset
• Timer mode
• One-shot mode
• PWM mode
Timer A0
• Event counter mode
• Timer mode
• One-shot mode
• PWM mode
Timer A1
• Event counter mode
• Timer mode
• One-shot mode
• PWM mode
Timer A2
• Event counter mode
• Timer mode
• One-shot mode
• PWM mode
Timer A3
• Event counter mode
• Timer mode
• One-shot mode
• PWM mode
Timer A4
• Event counter mode
Timer A0 interrupt
Port 3 real-time
output trigger
Timer A1 interrupt
Port 4 real-time
output trigger
Timer A2 interrupt
Timer A3 interrupt
Timer A4 interrupt
Timer B2 overflow
Note 1: The TA3 IN pin (P77) is shared with INT4 pin.
Note 2: The TA4 IN pin (P81) is shared with INT5 pin.
Figure 1.45. Timer A block diagram
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