CAT34FC02 Datasheet, PDF (8/10 Pages) Catalyst Semiconductor – 2-kb I2C Serial EEPROM, Serial Presence Detect

CAT34FC02
Figure 9. Memory Array
FFH
Hardware Write Protectable
(by connecting WP pin to
7FH
Vcc)
Software Write Protectable
(by programming the write
protect register)
00H
Figure 10. Software Write Protect Register (Write)
S
T
BUS ACTIVITY: ^A
MASTER ^R
T
SDA LINE S
SLAVE
ADDRES*S
BYTE
ADDRESS
S
T
DATA
O
P
XXXXXXXX XXXXXXXX P
A
A
A
C
C
C
K
K
K
X = Don't Care
Figure 11. Selective Read Timing
S
S
T
T
S
BUS ACTIVITY: ^A
SLAVE
BYTE
A
SLAVE
T
MASTER ^R ADDRESS
ADDRESS (n) ^R ADDRESS
O
T
T
P
SDA LINE S
S
P
A
A
C
C
K
K
A
N
C ^{DATA n}
O
K
A
C
K
Figure 12. Sequential Read Timing
BUS ACTIVITY: SLAVE
MASTER ADDRESS
SDA LINE
A
C
K
DATA n
DATA n+1
DATA n+2
A
A
A
C
C
C
K
K
K
S
T
DATA n+x
O
P
P
N
O
A
C
K
Doc. No. 1045, Rev. L
8
© 2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice