M16CSLASH29 datasheet(125/499 Pages) RENESAS

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12. Timers

page 101

12. Timers

Eight 16-bit timers, each capable of operating independently of the others, can be classified by function as

either timer A (five) and timer B (three). The count source for each timer acts as a clock, to control such

timer operations as counting, reloading, etc. Figures 12.1 and 12.2 show block diagrams of timer A and

timer B configuration, respectively.

Figure 12.1 Timer A Configuration

• Timer mode

• One-shot timer mode

• Pulse Width Measuring (PWM) mode

• Timer mode

• One-shot timer mode

• PWM mode

• Timer mode

• One-shot timer mode

• PWM mode

• Timer mode

• One-shot timer mode

• PWM mode

• Timer mode

• One-shot timer mode

• PWM mode

• Event counter mode

TA0IN

TA1IN

TA2IN

TA3IN

TA4IN

Timer A0

Timer A1

Timer A2

Timer A3

Timer A4

f8 f32 fC32

Timer A0 interrupt

Timer A1 interrupt

Timer A2 interrupt

Timer A3 interrupt

Timer A4 interrupt

Noise

filter

Noise

filter

Noise

filter

Noise

filter

Noise

filter

1/32

fC32

1/8

1/4

f1 or f2

f32

• Main clock

• PLL clock

• On-chip oscillator

clock

XCIN

Set the CPSR bit in the

CPSRF register to 1

(prescaler reset)

Reset

Clock prescaler

Timer B2 overflow or underflow

1/2

f2 PCLK0 bit = 0

PCLK0 bit = 1

f1 or f2

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