ISL12008 Datasheet, PDF (14/19 Pages) Intersil Corporation – I2C Real Time Clock with Battery Backup

ISL12008
SCL FROM
MASTER
1
SDA OUTPUT FROM
TRANSMITTER
8
9
HIGH IMPEDANCE
SDA OUTPUT FROM
RECEIVER
HIGH IMPEDANCE
START
ACK
FIGURE 11. ACKNOWLEDGE RESPONSE FROM RECEIVER
SIGNALS FROM
THE MASTER
SIGNAL AT SDA
SIGNALS FROM
THE ISL12008
WRITE
S
T
A ^{IDENTIFICATION}
R
BYTE
T
ADDRESS
BYTE
11010000
A
A
C
C
K
K
DATA
BYTE
S
T
O
P
A
C
K
FIGURE 12. BYTE WRITE SEQUENCE
14
FN6690.1
September 26, 2008