MCP8021 datasheet(39/66 Pages) MICROCHIP

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DS20006265D-page 39

MCP8021/2

STAT0: STATUS REGISTER 0

R-0

R-1

R-0

PCON2

PCON1

PCON0

OVLOF

UVLOF

OTPF

OTPW

FAULT

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-5

PCON[2:0]: Power Control Status (configuration lost if non-zero value)

101 = Overtemperature Shutdown (OTSHDN) occurred

011 = Sleep (SLEEP) shutdown occurred

010 = Undervoltage Shutdown (UVSHDN) occurred

001 = Power-on Reset (POR) occurred

000 = Normal operation

bit 4

OVLOF: Input Overvoltage Lockout Fault

1 = VDD input voltage > 32V

0 = VDD input voltage < 32V

bit 3

UVLOF: Input Undervoltage Fault

1 = VDD input voltage < 5.5V

0 = VDD input voltage > 5.5V

bit 2

OTPF: Overtemperature Protection Fault

1 = Device junction temperature is > TSD

0 = Device junction temperature is < TSD

bit 1

OTPW: Overtemperature Protection Warning

1 = Device junction temperature is > TWARN

0 = Device junction temperature is < TWARN

bit 0

FAULT: Fault Status

1 = At least one Fault is active

0 = No active Faults

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