IC80C54-24PL 데이터 시트보기 (PDF) - Integrated Circuit Solution Inc

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IC80C54-24PL

CMOS SINGLE CHIP 8-BIT MICROCONTROLLER

Integrated Circuit Solution Inc 

IC80C54

IC80C58

ROM Verification

The address of the program menory location to be read is

applied to Port 1 and pins P2.5-P2.0 (A14 is P3.4 for

IC80C58). The other pins should be held at the “Verify”

level are indicated in Figure 12. The contents of the ad-

dressed locations exits on Port 0. External pullups are re-

quired on Rort 0 for this operation. Figure 12 shows the

setup to verify the program memory.

A7-A0 P1

A12-A8 P2.4-P2.0

1

RST

1

EA

1

ALE

0

PSEN

0

P2.7

0

P2.6

XTAL1

4-6 MHz

XTAL2

GND

+ 5V

Vcc

10K x 8

P0

PGM

DATA

P2.5

A13

P3.4

P14

IC80C54 : A13 - A0

IC80C58 : A14 - A0

Figure 12. ROM Verification

12

Integrated Circuit Solution Inc.

MC003-0B

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