Timing Diagrams

READ Mode

- Command Code=110

READ Mode

- Successive Address Reading

WRITE Mode

- Command Code=101

WRITE Mode

- Successive Address Writing

HT1632

Rev. 1.00

9

October 2, 2007

R D

D A T A

W R

D 0 D 1 D 2 D 3

M e m o r y A d d r e s s 1 ( M A 1 )

D a t a ( M A 2 )

1

1

0

A 5 A 4 A 3 A 2 A 1

1

1

0

A 5 A 4 A 3 A 2 A 1 A 0

D a t a ( M A 1 )

M e m o r y A d d r e s s 2 ( M A 2 )

C S

D 0 D 1 D 2 D 3

A 6

A 0

A 6

R D

D A T A

C S

W R

1

1

0

A 5 A 4 A 3 A 2 A 1 A 0

M e m o r y A d d r e s s ( M A )

D 0 D 1 D 2 D 3

D a t a ( M A )

D 0 D 1 D 2 D 3 D 0 D 1 D 2 D 3 D 0 D 1 D 2 D 3 D 0

D a t a ( M A + 1 ) D a t a ( M A + 2 ) D a t a ( M A + 3 )

A 6

A 5 A 4 A 3 A 2 A 1 A 0 D 0 D 1 D 2 D 3

M e m o r y A d d r e s s ( M A )

D a t a ( M A )

D 0 D 1 D 2 D 3 D 0 D 1 D 2 D 3 D 0 D 1 D 2 D 3 D 0

D a t a ( M A + 1 ) D a t a ( M A + 2 ) D a t a ( M A + 3 )

D A T A

C S

W R

1

0

1 A 6

D A T A

C S

W R

A 5 A 4 A 3 A 2 A 1 A 0 D 0 D 1 D 2 D 3

M e m o r y A d d r e s s 1 ( M A 1 ) D a t a ( M A 1 )

1

0

1

1

0

1

M e m o r y A d d r e s s 2 ( M A 2 )

A 5 A 4 A 3 A 2 A 1 A 0 D 0 D 1 D 2 D 3

D a t a ( M A 2 )

A 6

A 6