Manual

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
¾¾
WRITE Write data 1 01 XA7~A0 XA6~A0 D7~D0 D15~D0
EWEN Erase/Write Enable 1 00 11XXXXXXX 11XXXXXX
¾¾
EWDS Erase/Write Disable 1 00 00XXXXXXX 00XXXXXX
¾¾
ERAL Erase All 1 00 10XXXXXXX 10XXXXXX
¾¾
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
00
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
00
S t a r t b i t