Renesas PROM Programming Adapter PCA7435FPG02 Manual de usuario descargar pdf (Pagina 32)

7540 Group

Rev.4.00 Jun 21, 2004 page 32 of 82

REJ03B0011-0400Z

Fig. 28 Block diagram of timer 1 and timer A

Timer A (low-order) latch (8)

Timer A (low-order) (8)

Timer A (high-order) latch (8)

Timer A (high-order) (8)

Data bus

/CNTR

CNTR

active

edge switch bit

f(X

)/16

Rising edge detected

Falling edge detected

Timer A operation mode bit

Timer A count

stop bit

Prescaler 1 latch (8)

Prescaler 1 (8)

Timer 1 latch (8)

Timer 1 (8)

f(X

)/16

Data bus

Timer A interrupt

request bit

Timer 1 interrupt

request bit

Pulse width HL

continuously

measurement mode

Period measurement mode

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 87 88

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Renesas PROM Programming Adapter PCA7435FPG02 Manual de usuario Pagina 32