Texas Instruments TPS65820 Evaluation Module TPS65820EVM TPS65820EVM データシート

製品コード

TPS65820EVM

SYSTEM STATUS — I

C REGISTERS

SLVS663B – MAY 2006 – REVISED APRIL 2008

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The I

C registers that have system status data are shown below. The HEX address for each register is shown by

the register name, together with the R or W functionality for the register bits. Those registers are valid, after an
initial power up, when the TPS65820 enters the normal operation mode.

SYSTEM STATUS MONITORED BY INTERRUPT CONTROLLER

PGOOD, ADDRESS=02, ALL BITS READ ONLY - POWER UP DEFAULTS SHOW SYSTEM STATUS WHEN EXITING POWER DOWN

Bit name

PGOOD SM1

PGOOD SM2

PGOOD SM3

PGOOD LDO1

PGOOD LDO2

PGOOD LDO3

PGOOD LDO4

PGOOD LDO5

Function

SM1 OUTPUT

SM2 OUTPUT

SM3 OVP

LDO1 OUTPUT

LDO2 OUTPUT

LDO3 OUTPUT

LDO4 OUTPUT

LDO5 OUTPUT

STATUS

When 0

When 1

FAULT

ADC STATUS

C REGISTER BIT AVAILABLE: INPUT OUT OF RANGE (HI OR LO), ANLG1 PIN IMPEDANCE TO AGND2 EXCEEDS 1 m

Ω.

See additional details in the

Analog-to-Digital Converter

section.

OTHER SYSTEM STATUS: THERMAL FAULT DETECTED

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