HT1622
WRITE Mode (Command Code : 1 0 1)
C S
W R
1
0
1
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
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 2 ( M A 2 )D a t a ( M A 2 )
D A T A
WRITE Mode (Successive Address Writing)
C S
W R
1
0
1
A 5 A 4 A 3 A 2 A 1 A 0 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 1 D 2 D 3 D 0
D a ta (M A + 1 ) D a ta (M A + 2 ) D a ta (M A + 3 )
M e m o ry A d d re s s (M A ) D a ta (M A )
D A T A
READ-MODIFY-WRITE Mode (Command Code : 1 0 1)
C S
W R
R D
1
0
1
A 5 A 4 A 3 A 2 A 1 A 0 D 0 D 1 D 2 D 3 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 )
D a ta (M A 1 )
1
0
1
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 2 ( M A 2 )D a t a ( M A 2 )
D A T A
EAD-MODIFY-WRITE Mode (Successive Address Accessing)
C S
W R
R D
1
0
1
A 5 A 4 A 3 A 2 A 1 A 0 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 1 D 2 D 3 D 0 D 1 D 2 D 3 D 0
D a ta (M A )
D a ta (M A + 1 ) D a ta (M A + 1 ) D a ta (M A + 2 )
M e m o ry A d d re s s (M A ) D a ta (M A )
D A T A
Rev. 1.40
8
February 6, 2007
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
