10

PRELIMINARYINFORMATION

Rev. 00B

01/26/04

IS24C52

FIGURE 11. PERMANENT WRITE PROTECTION INITIATION

FIGURE 12. PERMANENT WRITE PROTECTION VERIFICATION

SDA

Bus

Activity

S

T

A

R

T

M

S

B

L

S

B

R

E

A

D

A

C

K

Device

Address

R/W

S

T

O

P

*

* The slave does not provide an acknowledgement if the permanent write protection is already enabled.

SDA

Bus

Activity

S

T

A

R

T

M

S

B

L

S

B

M

S

B

W

R

I

T

E

S

T

O

P

R/W

A

C

K

A

C

K

A

C

K

Data

Device

Address

Word Address

*

* The slave does not provide an acknowledgement if the permanent write protection is already enabled.

# # # # ## ##

## # # # # # #

# Don't care bits are required.