CS4525 datasheet(86/91 Pages) CIRRUS

86 / 91 page

DS726A1

CS4525

9.21.2

External Amplifier State (ExtAmpSt)

Default = 0

Function:

When set, indicates a thermal warning condition is currently being reported by an external amplifier. For

proper operation, the delay serial port must be configured to support an external thermal warning input

signal. This status bit reflects the active state of the external thermal warning input signal.

9.21.3

Under Voltage Detected (UnderV)

Default = 0

Function:

When set, indicates an undervoltage condition is currently present on the VP voltage rail.

9.21.4

Thermal Error Detected (ThermErr)

Default = 0

Function:

When set, indicates a thermal error condition (specified by the thermal error trip point listed in the PWM

Power Output Characteristics table on page 20) is currently present.

9.21.5

Thermal Warning Detected (ThermWarn)

Default = 0

Function:

When set, indicates a thermal warning condition (specified by the thermal warning trip point listed in the

PWM Power Output Characteristics table on page 20) is currently present.

ExtAmpSt Setting

External Amplifier Status

0 .......................................... A thermal warning condition is not currently being reported by an external amplifier.

1 .......................................... A thermal warning condition is currently being reported by an external amplifier.

UnderV Setting

VP Under Voltage Status

0 .......................................... An under-voltage condition is not currently present on the VP supply.

1 .......................................... An under-voltage condition is currently present on the VP supply.

ThermErr Setting

Thermal Error Status

0 .......................................... A thermal error condition is not currently present.

1 .......................................... A thermal error condition is currently present.

ThermWarn Setting

Thermal Warning Status

0 .......................................... A thermal warning condition is not currently present.

1 .......................................... A thermal warning condition is currently present.

CS4525 Datasheet(PDF) 86 Page - Cirrus Logic

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