ERAL

WRAL

Instruction Set Summary

Instruction

Comments

Start

bit

Op

Code

Address

ORG=0 ORG=1

X8

X16

Data

ORG=0 ORG=1

X8

X16

READ

Read data

1

10

A6~A0

A5~A0

D7~D0 D15~D0

ERASE

Erase data

1

11

A6~A0

A5~A0

¾

WRITE

Write data

1

01

A6~A0

A5~A0

D7~D0 D15~D0

EWEN

Erase/Write Enable

1

00

11XXXXX 11XXXX

¾

EWDS

Erase/Write Disable

1

00

00XXXXX 00XXXX

¾

ERAL

Erase All

1

00

10XXXXX 10XXXX

¾

WRAL

Write All

1

00

01XXXXX 01XXXX

D7~D0 D15~D0

Note:

²X² stands for ²don¢t care²

Data should be written to the EEPROM in the format (8-bit or 16-bit mode) in which it is to be read.

HT93LC46

Rev. 2.00

6

May 6, 2010

C S

S K

D O

H i g h - Z

S t a n d b y

D I

( 1 )

b u s y r e a d y

v e r i f y

1

0

0

0

S t a r t b i t

C S

S K

D O

H i g h - Z

S t a n d b y

D I

1

( 1 )

b u s y r e a d y

v e r i f y

0

D X

D 0

0

0

S t a r t b i t