M32CSLASH86 datasheet(167/505 Pages) RENESAS

167 / 505 page

Page 144

15. Timer

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15. Timer

The microcomputer has eleven 16-bit timers. Five timers A and six timers B have different functions. Each

timer functions independently.

The count source for each timer becomes the clock for timer operations

including counting and reloading, etc. Figures 15.1 and 15.2 show block diagrams of timer A and timer B

configuration.

00: Timer mode

10: One-shot timer mode

11: PWM mode

01: Event counter mode

TA0IN

TA1IN

TA2IN

TA3IN

TA4IN

Timer A0

Timer A1

Timer A2

Timer A3

Timer A4

f1 f8 f2n 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

TCK1 and TCK0

00: Timer mode

10: One-shot tiemr mode

11: PWM mode

00: Timer mode

10: One-shot timer mode

11: PWM mode

00: Timer mode

10: One-shot timer mode

11: PWM mode

00: Timer mode

10: One-shot timer mode

11: PWM mode

01: Event counter mode

TCK1 and TCK0

TMOD1 and TMOD0

TA0TGH and TA0TGL

CST: Bit in the TCSPR Register

TCK1 and TCK0, TMOD1 and TMOD0 : Bits in the TAiMR Register (i=0 to 4)

TAiTGH and TAiTGL: Bits in the ONSF Register or TRGSR Register

TA2TGH and TA2TGL

TA3TGH and TA3TGL

TA4TGH and TA4TGL

TMOD1 and TMOD0

1/32

fC32

XCIN

Set the CPSR bit in the

CPSRF register to "1"

Reset

Clock prescaler

Timer B2 overflow

or underflow signal

TCK1 and TCK0

TA1TGH and TA1TGL

Figure 15.1 Timer A Configuration

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