Linear Technology Analog Devices LTC3882-1 Datasheet page 27

OPERATION
STATUS_VOUT*
7 VOUT_OV Fault
6 VOUT_OV Warning
5 VOUT_UV Warning
4 VOUT_UV Fault
3 VOUT_MAX Warning
2 TON_MAX Fault
1 TOFF_MAX Warning
0 (reads 0)
(PAGED)
STATUS_IOUT
7 IOUT_OC Fault
6 (reads 0)
5 IOUT_OC Warning
4 (reads 0)
3 (reads 0)
2 (reads 0)
1 (reads 0)
0 (reads 0)
(PAGED)
STATUS_TEMPERATURE
7 OT Fault
6 OT Warning
5 (reads 0)
4 UT Fault
3 (reads 0)
2 (reads 0)
1 (reads 0)
0 (reads 0)
(PAGED)
STATUS_CML
7 Invalid/Unsupported Command
6 Invalid/Unsupported Data
5 Packet Error Check Failed
4 Memory Fault Detected
3 Processor Fault Detected
2 (reads 0)
1 Other Communication Fault
0 Other Memory or Logic Fault
*IF THE CHANNEL IS CONFIGURED AS A SLAVE AS INDICATED BY MFR_PADS_LTC3882-1[15:14], VOUT_OV FAULT INDICATES A DETECTED MASTER ERROR
AMPLIFIER FAULT (COMP VOLTAGE TOO HIGH). NO OTHER BITS IN STATUS_VOUT ARE ACTIVE ON SLAVE CHANNELS
STATUS_WORD
15 VOUT
14 IOUT
13 INPUT
12 MFR_SPECIFIC
11 POWER_GOOD#
10 (reads 0)
9 (reads 0)
8 (reads 0)
STATUS_BYTE
7 BUSY
6 OFF
5 VOUT_OV
4 IOUT_OC
3 (reads 0)
2 TEMPERATURE
1 CML
0 NONE OF THE ABOVE
MFR_COMMON
7 Chip Not Driving ALERT Low
6 Chip Not Busy
5 Internal Calculations Not Pending
4 Output Not In Transition
3 EEPROM Initialized
2 (reads 0)
1 SHARE_CLK_LOW
0 WP Pin High
MFR_INFO
15 Reserved
14 Reserved
13 Reserved
12 Reserved
11 Reserved
10
Reserved
9 Reserved
8 Reserved
7 Reserved
6 Reserved
5 Reserved
4
EEPROM ECC Status
3 Reserved
2 Reserved
1 Reserved
0 Reserved
DESCRIPTION MASKABLE
General Fault or Warning Event Yes
General Non-Maskable Event No
Dynamic No
Status Derived from Other Bits No
Figure 2. LTC3882-1 Status Register Summary
For more information
(PAGED)
GENERATES ALERT BIT CLEARABLE
Yes Yes
Yes Yes
No No
Not Directly No
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LTC3882-1
STATUS_INPUT
7 VIN_OV Fault
6 (reads 0)
5 VIN_UV Warning
4 (reads 0)
3 Unit Off for Insuffcient VIN
2 (reads 0)
1 (reads 0)
0 (reads 0)
STATUS_MFR_SPECIFIC
7 Internal Temperature Fault
6 Internal Temperature Warning
5 EEPROM CRC Error
4 Internal PLL Unlocked
3 Fault Log Present
2 (reads 0)
1 VOUT Short Cycled
0 FAULT Low
(PAGED)
MFR_PADS_LTC3882-1
15 Channel 1 is Slave
14 Channel 0 is Slave
13 (reads 0)
12 (reads 0)
11 Invalid ADC Result(s)
10 SYNC Output Disabled Externally
9 Channel 1 is POWER_GOOD
8 Channel 0 is POWER_GOOD
7 LTC3882-1 Forcing RUN1 Low
6 LTC3882-1 Forcing RUN0 Low
5 RUN1 Pin State
4 RUN0 Pin State
3
LTC3882-1 Forcing FAULT1 Low
2 LTC3882-1 Forcing FAULT0 Low
1 FAULT1 Pin State
0 FAULT0 Pin State
38821 F02
Rev A
27