FCR3.52M5 데이터 시트보기 (PDF) - Hyundai Micro Electronics

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FCR3.52M5

4-BIT SINGLE CHIP MICROCOMPUTERS

Hyundai Micro Electronics 

Chapter 4. EPROM

Lock bit read mode (1/2)

OSC1

12Clock

8Clock

1

2

VCC

RESETB

K3 ~ K0

D5

6V

0V

12.5V

Lock Read Mode ( 0101 )

K Port Latch

1101

Lock bit output

3

You can strobe at any time from here

1101

Lock bit read mode (2/2)

START

¨ç Reset

(Set Lock bit read mode)

¨è Wait cycle

¨é Read Lock bit (D5)

RESETB=0V

VCC=0V

END

4 - 18

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