ISL6112 INTERSIL [Intersil Corporation], ISL6112 Datasheet - Page 16

• Manufacturer Part Number: ISL6112
• Description: Dual Slot PCI-Express Power Controller
• Manufacturer: INTERSIL [Intersil Corporation]

Timing Diagrams
VAUX_OUT
AUX_OUT
PWRGD_
I3VOUT
12VOUT
FAULT_
AUXEN
3VOUT
I
VSTBY
ON
INT*
DATA
ILIM(AUX)
CLK
ILIM(3V)
16
0
0
0
0
0
0
0
0
0
0
UVLO
I STEADY-STATE
ISTEADY-STATE
tPOR
S 1 0 0 0 A2 A1 A0 0 A 0 0 0 0 0 X X X A
DATA OUT
ISL6112 DEVICE ADDRESS
START
DATA IN
SDA
SDA
SCL
+3.3V
VIH
FIGURE 16. HOT-PLUG INTERFACE OPERATION
R/W = WRITE
t
4
FIGURE 17. WRITE_BYTE PROTOCOL
MASTER TO DEVICE TRANSFER,
i.e., DATA DRIVEN BY MASTER.
FIGURE 15. SMBUS TIMING
tFLT
COMMAND BYTE TO ISL6112
ACKNOWLEDGE ACKNOWLEDGE
ISL6112
VIL
*
t
* INT DE-ASSERTED BY SOFTWARE
2
VIH
VIH
DEVICE TO MASTER TRANSFER,
i.e., DATA DRIVEN BY DEVICE.
t
3
D7
DATA BYTE TO ISL6112
D6
D5
D4
D3 D2 D1 D0
tFLT
VIL
ACKNOWLEDGE
t
5
*
VIH
A P
September 28, 2007
FN6456.0