ADE7953ACPZ datasheet(66/68 Pages) AD

66 / 68 page

ADE7953

Data Sheet

Rev. A | Page 66 of 68

Interrupt Enable and Interrupt Status Registers

Current Channel A and Voltage Channel Registers

Table 22. IRQENA Register (Address 0x22C and Address 0x32C)

Bits

Bit Name

Description

AEHFA

Set to 1 to enable an interrupt when the active energy is half full (Current Channel A)

VAREHFA

Set to 1 to enable an interrupt when the reactive energy is half full (Current Channel A)

VAEHFA

Set to 1 to enable an interrupt when the apparent energy is half full (Current Channel A)

AEOFA

Set to 1 to enable an interrupt when the active energy has overflowed or underflowed (Current Channel A)

VAREOFA

Set to 1 to enable an interrupt when the reactive energy has overflowed or underflowed (Current Channel A)

VAEOFA

Set to 1 to enable an interrupt when the apparent energy has overflowed or underflowed (Current Channel A)

AP_NOLOADA

Set to 1 to enable an interrupt when the active power no-load condition is detected on Current Channel A

VAR_NOLOADA

Set to 1 to enable an interrupt when the reactive power no-load condition is detected on Current Channel A

VA_NOLOADA

Set to 1 to enable an interrupt when the apparent power no-load condition is detected on Current Channel A

APSIGN_A

Set to 1 to enable an interrupt when the sign of active energy has changed (Current Channel A)

VARSIGN_A

Set to 1 to enable an interrupt when the sign of reactive energy has changed (Current Channel A)

ZXTO_IA

Set to 1 to enable an interrupt when the zero crossing has been missing on Current Channel A for the length of

time specified in the ZXTOUT register

ZXIA

Set to 1 to enable an interrupt when the current Channel A zero crossing occurs

OIA

Set to 1 to enable an interrupt when the current Channel A peak has exceeded the overcurrent threshold set in the

OILVL register

ZXTO

Set to 1 to enable an interrupt when a zero crossing has been missing on the voltage channel for the length of

time specified in the ZXTOUT register

ZXV

Set to 1 to enable an interrupt when the voltage channel zero crossing occurs

Set to 1 to enable an interrupt when the voltage peak has exceeded the overvoltage threshold set in the OVLVL

WSMP

Set to 1 to enable an interrupt when new waveform data is acquired

CYCEND

Set to 1 to enable an interrupt when it is the end of a line cycle accumulation period

Sag

Set to 1 to enable an interrupt when a sag event has occurred

Reset

This interrupt is always enabled and cannot be disabled

CRC

Set to 1 to enable an interrupt when the checksum has changed

Table 23. IRQSTATA Register (Address 0x22D and Address 0x32D) and RSTIRQSTATA Register (Address 0x22E and

Address 0x32E)

Bits

Bit Name

Description

AEHFA

Set to 1 when the active energy register is half full (Current Channel A)

VAREHFA

Set to 1 when the reactive energy register is half full (Current Channel A)

VAEHFA

Set to 1 when the apparent energy register is half full (Current Channel A)

AEOFA

Set to 1 when the active energy register has overflowed or underflowed (Current Channel A)

VAREOFA

Set to 1 when the reactive energy register has overflowed or underflowed (Current Channel A)

VAEOFA

Set to 1 when the apparent energy register has overflowed or underflowed (Current Channel A)

AP_NOLOADA

Set to 1 when the active power no-load condition is detected Current Channel A

VAR_NOLOADA

Set to 1 when the reactive power no-load condition is detected Current Channel A

VA_NOLOADA

Set to 1 when the apparent power no-load condition is detected Current Channel A

APSIGN_A

Set to 1 when the sign of active energy has changed (Current Channel A)

VARSIGN_A

Set to 1 when the sign of reactive energy has changed (Current Channel A)

ZXTO_IA

Set to 1 when a zero crossing has been missing on Current Channel A for the length of time specified in the

ZXTOUT register

ZXIA

Set to 1 when a current Channel A zero crossing is detected

OIA

Set to 1 when the current Channel A peak has exceeded the overcurrent threshold set in the OILVL register

ZXTO

Set to 1 when a zero crossing has been missing on the voltage channel for the length of time specified in the

ZXTOUT register

ZXV

Set to 1 when the voltage channel zero crossing is detected

Set to 1 when the voltage peak has exceeded the overvoltage threshold set in the OVLVL register

ADE7953ACPZ Datasheet(PDF) 66 Page - Analog Devices

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