isl97635 Intersil Corporation, isl97635 Datasheet - Page 17

• Manufacturer Part Number: isl97635
• Description: Smbus 8-channel Led Driver
• Manufacturer: Intersil Corporation

S
1
V
V
V
V
IH
IH
IL
IL
Master to Slave
Slave to Master
SLAVE ADDRESS
NOTES:
SMBus Description
SMBCLK
SMBDAT
P
S = Start condition
P = Stop condition
A = Acknowledge
A = Not acknowledge
R/W = Read enable at high; write enable at low
S
1
t
BUF
7
Master to Slave
Slave to Master
SLAVE ADDRESS
S
t
HD:STA
W
7
1
17
t
LOW
A
1
COMMAND CODE
t
R
W
1
8
t
HD:DAT
FIGURE 20. WRITE BYTE PROTOCOL
FIGURE 21. READ BYTE PROTOCOL
A
1
FIGURE 19. SMBUS INTERFACE
COMMAND CODE
t
A
HIGH
1
ISL97635
t
F
8
1
S
t
SU:DAT
SLAVE ADDRESS
8
S
A
1
t
SU:STA
DATA BYTE
R
1
8
A
1
DATA BYTE
8
A
1
t
SU:STO
P
1
December 22, 2008
P
A
1
FN6434.2
1
P