LTC3882_15 Datasheet, PDF (87/104 Pages) Linear Technology – Dual Output PolyPhase Step-Down DC/DC Voltage Mode Controller with Digital Power System Management

LTC3882
PMBus COMMAND DETAILS (Status Reporting)
MFR_PADS_LTC3882
The MFR_PADS_LTC3882 command provides status of the LTC3882 digital I/O and control pins, in addition to general
output voltage conditions.
MFR_PADS_LTC3882 Message Contents:
BIT MEANING
15
Channel 1 is a slave.
14
Channel 0 is a slave.
13:12 Not supported (LTC3882 returns 0).
11
ADC results for I_OUT may be invalid.
10
SYNC output disabled externally.
9
Channel 1 POWER_GOOD (normally returns 1 if slave).
8
Channel 0 POWER_GOOD (normally returns 1 if slave).
7
LTC3882 forcing RUN1 low.
6
LTC3882 forcing RUN0 low.
5
RUN1 pin state.
4
RUN0 pin state.
3
LTC3882 forcing GPIO1 low.
2
LTC3882 forcing GPIO0 low.
1
GPIO1 pin state.
0
GPIO0 pin state.
This read-only command has two data bytes.
MFR_COMMON
The MFR_COMMON command contains status bits that are common to multiple LTC PMBus products.
MFR_COMMON Message Contents:
BIT MEANING
7
LTC3882 not forcing ALERT low.
6
LTC3882 not BUSY.
5
LTC3882 calculations not pending.
4
LTC3882 output not in transition.
3
LTC3882 EEPROM initialized.
2
Not supported (LTC3882 returns 0).
1
SHARE_CLK timeout.
0
WP pin state.
This read-only command has one data byte.
For more information www.linear.com/LTC3882
3882f
87