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90E21 Datasheet(PDF) 39 Page - Integrated Device Technology

Part # 90E21
Description  Single-Phase High-Performance Wide-Span Energy Metering IC
PDF  57 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

90E21 Datasheet(HTML) 39 Page - Integrated Device Technology

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90E21/22/23/24
SINGLE-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Register
39
January 10, 2012
RNenergy
Reverse (Capacitive) Reactive Energy
RTenergy
Absolute Reactive Energy
Address: 44H
Type: Read/Clear
Default Value: 0000H
Bit
Name
Description
15 - 0
RNenergy[15:0]
Reverse (capacitive) reactive energy, cleared after read.
Data format is XXXX.X pulses. Resolution is 0.1 pulse. Maximum is 6553.5 pulses.
When the accumulation of this register has achieved FFFFH, the continuation accumulation will return to 0000H.
Address: 45H
Type: Read/Clear
Default Value: 0000H
Bit
Name
Description
15 - 0
RTenergy[15:0]
Absolute reactive energy, cleared after read.
Data format is XXXX.X pulses. Resolution is 0.1 pulse. Maximum is 6553.5 pulses.
When the accumulation of this register has achieved FFFFH, the continuation accumulation will return to 0000H.
15
14
13
12
11
10
9
8
RNenergy15
RNenergy14
RNenergy13
RNenergy12
RNenergy11
RNenergy10
RNenergy9
RNenergy8
765
432
1
0
RNenergy7
RNenergy6
RNenergy5
RNenergy4
RNenergy3
RNenergy2
RNenergy1
RNenergy0
15
14
13
12
11
10
9
8
RTenergy15
RTenergy14
RTenergy13
RTenergy12
RTenergy11
RTenergy10
RTenergy9
RTenergy8
765
432
1
0
RTenergy7
RTenergy6
RTenergy5
RTenergy4
RTenergy3
RTenergy2
RTenergy1
RTenergy0



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