Datasheet
90E32AS ENHANCED POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Register 33 April 2, 2013
5 REGISTER
5.1 REGISTER LIST
Table-5 Register List
Register
Address Register Name
Read/Write
Type Functional Description Comment Page
Status and Special Register
00H
MeterEn
R/W Metering Enable P42
01H
ChannelMapI
R/W Current Channel Mapping Configuration P43
02H
ChannelMapU
R/W Voltage Channel Mapping Configuration P43
05H
SagPeakDetCfg
R/W Sag and Peak Detector Period Configuration P45
06H
OVth
R/W Over Voltage Threshold P45
07H
ZXConfig
R/W Zero-Crossing Configuration Configuration of ZX0/1/2 pins’ source P45
08H
SagTh
R/W Voltage Sag Threshold P46
09H
PhaseLossTh
R/W Voltage Phase Losing Threshold Similar to Voltage Sag Threshold register P46
0AH
InWarnTh
R/W Neutral Current (Calculated) Warning Threshold P46
0BH
OIth
R/W Over Current Threshold P46
0CH
FreqLoTh
R/W Low Threshold for Frequency Detection P46
0DH
FreqHiTh
R/W High Threshold for Frequency Detection P47
0EH
PMPwrCtrl
R/W Partial Measurement Mode Power Control P47
0FH IRQ0MergeCfg
R/W IRQ0 Merge Configuration
Refer to 4.2.2 Reliability Enhancement
Feature
P47
Low Power Mode Register
10H
DetectCtrl
R/W Current Detect Control P48
11H
DetectTh1
R/W Channel 1 Current Threshold in Detection Mode P49
12H
DetectTh2
R/W Channel 2 Current Threshold in Detection Mode P49
13H
DetectTh3
R/W Channel 3 Current Threshold in Detection Mode P49
14H
IDCoffsetA
R/W Phase A Current DC offset P50
15H
IDCoffsetB
R/W Phase B Current DC offset P50
16H
IDCoffsetC
R/W Phase C Current DC offset P50
17H
UDCoffsetA
R/W Voltage DC offset for Channel A P50
18H
UDCoffsetB
R/W Voltage DC offset for Channel B P50
19H
UDCoffsetC
R/W Voltage DC offset for Channel C P51
1AH
UGainTAB
R/W Voltage Gain Temperature Compensation for Phase A/B P51
1BH
UGainTC
R/W Voltage Gain Temperature Compensation for Phase C P51
1CH
PhiFreqComp
R/W Phase Compensation for Frequency P51
20H
LOGIrms0
R/W
Current (Log Irms0) Configuration for Segment Compen-
sation
P51
21H
LOGIrms1
R/W
Current (Log Irms1) Configuration for Segment Compen-
sation
P51
22H
F0
R/W Nominal Frequency P52
23H
T0
R/W Nominal Temperature P52
24H
PhiAIrms01
R/W
Phase A Phase Compensation for Current Segment 0
and 1
P52
25H
PhiAIrms2
R/W Phase A Phase Compensation for Current Segment 2 P52