Instruction set summary, Ht93lc56 – Rainbow Electronics HT93LC56 User Manual

Page 6

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background image

ERASE

ERAL

WRAL

Instruction Set Summary

HT93LC56

Instruction

Comments

Start

bit

Op

Code

Address

Data

ORG=0

X8

ORG=1

X16

ORG=0

X8

ORG=1

X16

READ

Read data

1

10

XA7~A0

XA6~A0

D7~D0

D15~D0

ERASE

Erase data

1

11

XA7~A0

XA6~A0

¾

¾

WRITE

Write data

1

01

XA7~A0

XA6~A0

D7~D0

D15~D0

EWEN

Erase/Write Enable

1

00

11XXXXXXX

11XXXXXX

¾

¾

EWDS

Erase/Write Disable

1

00

00XXXXXXX

00XXXXXX

¾

¾

ERAL

Erase All

1

00

10XXXXXXX

10XXXXXX

¾

¾

WRAL

Write All

1

00

01XXXXXXX

01XXXXXX

D7~D0

D15~D0

Note:

²X² stands for ²don¢t care²

HT93LC56

Rev. 1.20

6

October 26, 2001

C S

S K

D O

H i g h - Z

S t a n d b y

D I

1

( 1 )

t

H Z

t

S V

t

P R

t

C D S

b u s y r e a d y

v e r i f y

1

S t a r t b i t

A N

A N - 1 A N - 2

A 1

A 0

C S

S K

D O

H i g h - Z

S t a n d b y

D I

( 1 )

t

H Z

t

S V

t

P R

t

C D S

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 )

t

H Z

t

S V

t

P R

t

C D S

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

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