IS24C02D
fIGURE 11. Permanent Write Protection Initiation
S
T
A
R
T
SDA
Bus
Activity
M
S
B
Device
Address
W
R
S
I
T
T
O
E * Word Address
Data
P
A
A
A
C # # ## # # # #C# # # ## # # # C
K
K
K
L
S
B
M
S
B
R/W
* The slave does not provide an acknowledgement if the permanent write protection is already enabled.
# Don't care bits are required.
fIGURE 12. Permanent Write Protection Verification
S
T
A
R Device
T Address
SDA
Bus
Activity
M
S
B
RS
ET
AO
D* P
A
C
K
L
S
B
R/W
* The slave does not provide an acknowledgement if the permanent write protection is already enabled.
12
Integrated Silicon Solution, Inc. — www.issi.com
Rev. 00A
07/27/09