CS5484 datasheet(44/67 Pages) CIRRUS

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CS5484

DS981F3

6.6.12 Interrupt Status (Status0) – Page 0, Address 23

Default = 0x80 0000

The Status0 register indicates a variety of conditions within the chip.

Writing a one to a Status0 register bit will clear that bit. Writing a zero to any bit has no effect.

DRDY

Data Ready.

During conversion, this bit indicates that low-rate results have been updated.

It indicates completion of other host instruction and the reset sequence.

CRDY

Conversion Ready.

Indicates that sample rate (output word rate) results have been updated.

WOF

Watchdog timer overflow.

[20:19]

Reserved.

MIPS

MIPS overflow.

Sets when the calculation engine has not completed processing a sample before the

next one arrives.

V2SWELL(V1SWELL) Voltage channel 2 (voltage channel 1) swell event detected.

P2OR (P1OR)

Power out of range.

Sets when the measured power would cause the P2 (P1) register to overflow.

I2OR (I1OR)

Current out of range.

Set when the measured current would cause the I2 (I1) register to overflow.

V2OR (V1OR)

Voltage out of range.

Set when the measured voltage would cause the V2 (V1) register to overflow.

I2OC (I1OC)

I2 (I1) overcurrent.

V2SAG (V1SAG)

Voltage channel 2 (voltage channel 1) sag event detected.

TUP

Temperature updated.

Indicates when the Temperature register (T) has been updated.

FUP

Frequency updated.

Indicates the Epsilon register has been updated.

Invalid command has been received.

RX_CSUM_ERR

Received data checksum error.

Sets to one automatically if checksum error is detected on serial port received data.

[1]

Reserved.

RX_TO

SDI/RX time out.

Sets to one automatically when SDI/RX time out occurs.

DRDY

CRDY

WOF

MIPS

V2SWELL

V1SWELL

P2OR

P1OR

I2OR

I1OR

V2OR

V1OR

I2OC

I1OC

654

V2SAG

V1SAG

TUP

FUP

RX_CSUM_ERR

RX_TO

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