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Data Sheet
ADE7953
Bits
17
18
19
20
21
Bit Name
WSMP
CYCEND
Sag
Reset
CRC
Description
Set to 1 when new waveform data is acquired
Set to 1 at the end of a line cycle accumulation period
Set to 1 when a sag event has occurred
Set to 1 at the end of a software or hardware reset
Set to 1 when the checksum has changed
Current Channel B Registers
Table 24. IRQENB Register (Address 0x22F and Address 0x32F)
Bits
0
1
2
3
4
5
6
7
8
9
10
11
12
13
Bit Name
AEHFB
VAREHFB
VAEHFB
AEOFB
VAREOFB
VAEOFB
AP_NOLOADB
VAR_NOLOADB
VA_NOLOADB
APSIGN_B
VARSIGN_B
ZXTO_IB
ZXIB
OIB
Description
Set to 1 to enable an interrupt when the active energy is half full (Current Channel B)
Set to 1 to enable an interrupt when the reactive energy is half full (Current Channel B)
Set to 1 to enable an interrupt when the apparent energy is half full (Current Channel B)
Set to 1 to enable an interrupt when the active energy has overflowed or underflowed (Current Channel B)
Set to 1 to enable an interrupt when the reactive energy has overflowed or underflowed (Current Channel B)
Set to 1 to enable an interrupt when the apparent energy has overflowed or underflowed (Current Channel B)
Set to 1 to enable an interrupt when the active power no-load detection on Current Channel B occurs
Set to 1 to enable an interrupt when the reactive power no-load detection on Current Channel B occurs
Set to 1 to enable an interrupt when the apparent power no-load detection on Current Channel B occurs
Set to 1 to enable an interrupt when the sign of active energy has changed (Current Channel B)
Set to 1 to enable an interrupt when the sign of reactive energy has changed (Current Channel B)
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
Set to 1 to enable an interrupt when the current Channel B zero crossing occurs
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
0
1
2
3
4
5
6
7
8
9
10
11
12
13
Bit Name
AEHFB
VAREHFB
VAEHFB
AEOFB
VAREOFB
VAEOFB
AP_NOLOADB
VAR_NOLOADB
VA_NOLOADB
APSIGN_B
VARSIGN_B
ZXTO_IB
ZXIB
OIB
Description
Set to 1 when the active energy register is half full (Current Channel B)
Set to 1 when the reactive energy register is half full (Current Channel B)
Set to 1 when the apparent energy register is half full (Current Channel B)
Set to 1 when the active energy register has overflowed or underflowed (Current Channel B)
Set to 1 when the reactive energy register has overflowed or underflowed (Current Channel B)
Set to 1 when the apparent energy register has overflowed or underflowed (Current Channel B)
Set to 1 when the active power no-load condition is detected on Current Channel B
Set to 1 when the reactive power no-load condition is detected on Current Channel B
Set to 1 when the apparent power no-load condition is detected on Current Channel B
Set to 1 when the sign of active energy has changed (Current Channel B)
Set to 1 when the sign of reactive energy has changed (Current Channel B)
Set to 1 when a zero crossing has been missing on Current Channel B for the length of time specified in the
ZXTOUT register
Set to 1 when a current Channel B zero crossing is obtained
Set to 1 when current Channel B peak has exceeded the overcurrent threshold set in the OILVL register
Rev. B | Page 67 of 72
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