GMS87C4060 Datasheet, PDF(44/102 Page) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

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GMS87C4060 Datasheet, PDF (44/102 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

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GMS81C4040/87C4060

PRELIMINARY

initialized to between 01H~FFH not to 00H

Start count

ECn (n=2~3) pin

Up-counter

0

1

2

TDRn (n=2~3)

N

TnIF (n=2~3) interrupt

N-1

N0

1

2

Figure 11-10 Event Counter Mode Timing Chart

The interval period of Timer is calculated as below equa-

tion.

= ------- Ã Ã

TDR2

Timer 2 (T2IF)

Interrupt

TDR2=n

n

n-1

n-2

~~

up-count

~~

8

7

6

5

4

3

2

1

0

PCP

~~

Interrupt period

= PCP x n

Occur interrupt

Occur interrupt

Occur interrupt

TIME

Figure 11-11 Count Example of Timer / Event counter

40

PRELIMINARY

Nov. 1999 Ver 1.0

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