GMS77C1001 datasheet(28/44 Pages) HYNIX

부품명	GMS77C1001

상세설명	8-BIT SINGLE-CHIP MICROCONTROLLERS

PDF	44 Pages

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제조업체	HYNIX [Hynix Semiconductor]

홈페이지	http://www.skhynix.com/kor/main.do

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28 / 44 page

GMS77C1000/GMS77C1001

July. 2001 Ver. 1.1

11. TIMER0 MODULE AND TMR0 REGISTER

The Timer0 module has the following features:

•

8-bit timer/counter register, TMR0

• 8-bit software programmable prescaler

• Internal or external clock select

• Edge select for external clock

Figure 11-1 is a simplified block diagram of the Timer0

module, while Figure 11-2 shows the electrical structure of

the Timer0 input.

FIGURE 11-1 BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER

FIGURE 11-2 ELECTRICAL STRUCTURE OF EC0 PIN

TCY ( = FOSC/4)

8-bit Prescaler

EC0

Sync with

Internal

Clocks

TMR0 reg

Data bus

(2cycle delay)

T0SE

T0CS

MUX

PSA

MUX

8 - to - 1 MUX

Watchdog

Timer

MUX

PS2:PS0

PSA

WDT Time-Out

WDT Enable bit

clear

ECO

RIN

Schmitt Trigger

Input Buffer

(1)

Note 1: ESD protection circuits

Noise Filter

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