ISL68137_16 Datasheet, PDF (26/53 Pages) Intersil Corporation – Digital Dual Output, 7-Phase Configurable PWM

ISL68137
PMBus Command Detail
PAGE (00h)
Definition: Selects Controller 0, Controller 1 or both Controllers 0 and 1 to receive commands. All commands following this command
will be received and acted on by the selected controller or controllers.
Data Length in Bytes: 1
Data Format: Bit Field
Type: R/W
Default Value: 00h
COMMAND
Format
Bit Position
Access
Function
Default Value
7
R/W
0
6
R/W
0
5
R/W
0
PAGE (00h)
Bit Field
4
3
R/W
R/W
See Following Table
0
0
2
R/W
0
1
R/W
0
0
R/W
0
BITS 7:4
0000
0000
1111
BITS 3:0
0000
0001
1111
PAGE
0
1
Both
OPERATION (01h)
Definition: Sets enable state when configured for PMBus enable. Sets the source of the target V_OUT. The device always acts on faults
during margin. The table below reflects the valid settings for the device.
Paged or Global: Paged
Data Length in Bytes: 1
Data Format: Bit Field
Type: R/W
Default Value: 08h
COMMAND
Format
Bit Position
Access
Function
Default Value
7
R/W
0
6
R/W
0
5
R/W
0
OPERATION (01h)
Bit Field
4
3
R/W
R/W
See Following Table
0
1
2
R/W
0
1
R/W
0
0
R/W
0
BIT NUMBER
Bits 7:6
Bits 5:4
PURPOSE
Enable/Disable
VOUT Source
Bits 3:2
Bit 1
Margin Response
AVSBus Copy
Bit 0
Not Used
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BIT VALUE
00
01
10
00
01
10
11
10
0
1
0
MEANING
Immediate Off (decay)
Soft-Off (Use TOFF_DELAY and TOFF_FALL)
On
VOUT_COMMAND
VOUT_MARGIN_LOW
VOUT_MARGIN_HIGH
AVSBus Target Rail Voltage
Act on Faults
VOUT_COMMAND remains unchanged
AVSBus Target Rail Voltage changes are copied
to VOUT_COMMAND
Not Used
FN8757.0
September 27, 2016