ADE7953 datasheet(67/68 Pages) AD

67 / 68 page

Data Sheet

ADE7953

Rev. A | Page 67 of 68

Bits

Bit Name

Description

WSMP

Set to 1 when new waveform data is acquired

CYCEND

Set to 1 at the end of a line cycle accumulation period

Sag

Set to 1 when a sag event has occurred

Reset

Set to 1 at the end of a software or hardware reset

CRC

Set to 1 when the checksum has changed

Current Channel B Registers

Table 24. IRQENB Register (Address 0x22F and Address 0x32F)

Bits

Bit Name

Description

AEHFB

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

VAREHFB

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

VAEHFB

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

AEOFB

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

VAREOFB

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

VAEOFB

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

AP_NOLOADB

Set to 1 to enable an interrupt when the active power no-load detection on Current Channel B occurs

VAR_NOLOADB

Set to 1 to enable an interrupt when the reactive power no-load detection on Current Channel B occurs

VA_NOLOADB

Set to 1 to enable an interrupt when the apparent power no-load detection on Current Channel B occurs

APSIGN_B

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

VARSIGN_B

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

ZXTO_IB

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

specified in the ZXTOUT register

ZXIB

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

OIB

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

OILVL register

Table 25. IRQSTATB Register (Address 0x230 and Address 0x330) and RSTIRQSTATB Register (Address 0x231 and

Address 0x331)

Bits

Bit Name

Description

AEHFB

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

VAREHFB

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

VAEHFB

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

AEOFB

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

VAREOFB

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

VAEOFB

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

AP_NOLOADB

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

VAR_NOLOADB

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

VA_NOLOADB

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

APSIGN_B

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

VARSIGN_B

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

ZXTO_IB

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

ZXTOUT register

ZXIB

Set to 1 when a current Channel B zero crossing is obtained

OIB

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

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