ISL6112
20
FN6456.1
August 25, 2011
Timing Diagrams
FIGURE 31. SMBUS TIMING
FIGURE 32. HOT-PLUG INTERFACE OPERATION
FIGURE 33. WRITE_BYTE PROTOCOL
t
4
SCL
SDA
DATA IN
SDA
DATA OUT
t
2
t
5
t
3
INT
*
FAULT
_
I3VOUT
3VOUT
I
AUX_OUT
 VAUX_OUT
 AUXEN
0
VIH
VIH
VIL
VIH
ILIM(3V)
ISTEADY-STATE
ON
0
0
0
0
0
0
0
VIH
VIL
+3.3V
tPOR
  VSTBY
UVLO
tFLT
tFLT
ILIM(AUX)
ISTEADY-STATE
0
0
*
*
* INT
 DE-ASSERTED BY SOFTWARE
12VOUT
PWRGD
_
S 1 0 0 0 A2A1A0 0 A 0 0 0 0 0 X X X A
D4
D5
D6    D3D2D1D0
D7
A P
ISL6112 DEVICE ADDRESS
DATA
CLK
COMMAND BYTE TO ISL6112
DATA BYTE TO ISL6112
START
R/W = WRITE   ACKNOWLEDGE
ACKNOWLEDGE
ACKNOWLEDGE
MASTER TO DEVICE TRANSFER,
i.e., DATA DRIVEN BY MASTER.
DEVICE TO MASTER TRANSFER,
i.e., DATA DRIVEN BY DEVICE.
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