W78E58

Publication Release Date: November 1997

- 11 -

Revision A2

Program Operation

This operation is used to program data to the flash EEPROM and the option bits. Programming is

Program Verify Operation

All data must be checked after programming. This operation should be performed after each byte is

programmed, and it will ensure a substantial program margin.

OPERATION

P3.0

(A9

CTRL)

P3.1

(A13

CTRL)

P3.2

(A14

CTRL)

P3.3

(OE

CTRL)

P3.6

( CE )

P3.7

( OE )

EA

P2, P1

(A15 TO A0)

P0

(D7 TO D0)

NOTES

Read

Address

Data Out

1, 2

Program

Address

Data In

1, 2

Program Verify

Address

Data Out

3

Notes:

3. The program verify operation should follow the programming operaion.

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

MIN.

MAX.

UNIT

DC Power Supply

-0.3

+7.0

V

Input Voltage

V

Operating Temperature

0

70

°C

Storage Temperature

-55

+150

°C

Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability

of

the device.

P1

P3.0

P3.1

P3.2

P3.3

P3.6

P3.7

X'tal1

X'tal2

P0

EA/Vpp

ALE

RST

PSEN

P2

Vss

A0 to A7

A8 to A15

PGM DATA

+5V

Programming Configuration

P1

P3.0

P3.1

P3.2

P3.3

P3.6

P3.7

X'tal1

X'tal2

P0

EA/Vpp

ALE

RST

PSEN

P2

Vss

A0 to A7

A8 to A15

PGM DATA

+5V

Programming Verification