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ADE7878 Datasheet(PDF) 50 Page - Analog Devices

Part # ADE7878
Description  Polyphase Multifunction Energy Metering IC with per Phase Active and Reactive Powers
PDF  92 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADE7878 Datasheet(HTML) 50 Page - Analog Devices

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ADE7878
Rev. 0 | Page 50 of 92
energy registers, xVARHR (for REHF interrupt) or xFVARHR
(for FREHF interrupt), becomes half full. The status bit is
cleared and the IRQ0 pin is set to high by writing to the
STATUS0 register with the corresponding bit set to 1.
Setting Bit 6 (RSTREAD) of LCYMODE[7:0] register enables a
read-with-reset for all var-hour accumulation registers, that is,
the registers are reset to 0 after a read operation.
AVGAIN
HPFDIS
[23:0]
HPF
AIGAIN
HPFDIS
[23:0]
DIGITAL
INTEGRATOR
REVRPA BIT IN
STATUS0[31:0]
HPF
VA
IA
AVARGAIN
AVAROS
APHCAL
ACCUMULATOR
VARTHR[47:0]
AVARHR[31:0]
32 BIT
REGISTER
TOTAL
REACTIVE
POWER
ALGORITHM
DIGITAL SIGNAL PROCESSOR
Figure 65. Total Reactive Energy Accumulation



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