UPD75212ACW データシートの表示（PDF） - NEC => Renesas Technology

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UPD75212ACW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75212A

5.5 TIMER/EVENT COUNTER

The µPD75212A incorporates one channel of timer/event counter. The timer/event counter has the following

functions.

• Program interval timer operation

• Event counter operation

• Count state read function

Fig. 5-4 Timer/Event Counter Block Diagram

Internal Bus

SET1 *

8

8

TM0

TMn7 TMn6 TMn5 TMn4 TMn3 TMn2 TMn1 TMn0

8

TMOD0

Modulo Register (8)

Input Buffer

P13/TI0



From Clock 

Generator







MPX

* Instruction execution.

8

Comparator (8)

8

Match

INTT0

IRQT0

Set Signal

T0

Count Register (8)

CP

Clear

Timer Operation Start

IRQT0

Clear

21

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