90E32 Datasheet, PDF (29/71 Pages) Integrated Device Technology – Poly-Phase High-Performance Wide-Span Energy Metering IC

90E32
6
REGISTER
6.1 REGISTER LIST
Table-4 Register List
Register
Address
Register Name
00H
SoftReset
01H
SysStatus0
02H
SysStatus1
03H
FuncEn0
04H
FuncEn1
07H
ZXConfig
08H
SagTh
09H
PhaseLossTh
0AH
INWarnTh0
0CH
THDNUTh
0DH
THDNITh
0FH
LastSPIData
10H
DetectCtrl
11H
DetectThA
12H
DetectThB
13H
DetectThC
14H
PMOffsetA
15H
PMOffsetB
16H
PMOffsetC
17H
PMPGA
18H
PMIrmsA
19H
PMIrmsB
1AH
PMIrmsC
1BH
PMConfig
1CH
PMAvgSamples
1DH
PMIrmsLSB
30H
ConfigStart
31H
PLconstH
32H
PLconstL
POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Read/Write
Type
Functional Description
Comment
Page
Status and Special Register
W Software Reset
P 36
R/C System Status 0
P 38
R/C System Status 1
P 38
R/W Function Enable 0
P 40
R/W Function Enable 1
P 40
R/W Zero-Crossing Configuration
Configuration of ZX0/1/2 pins’ source
P 41
R/W Voltage Sag Threshold
P 42
R/W Voltage Phase Losing Threshold
Similar to Voltage Sag Threshold register
P 42
R/W
Threshold for calculated (Ia + Ib +Ic) N line rms
current
Check SysStatus0/1 register.
P 42
R/W Voltage THD Warning Threshold
Check SysStatus0/1 register.
P 42
R/W Current THD Warning Threshold
Check SysStatus0/1 register.
P 42
R Last Read/ Write SPI Value
Refer to 4.2.2 Reliability Enhancement Fea-
ture
P 43
Low Power Mode Register
R/W Current Detect Control
P 44
R/W Phase A current threshold in Detection mode
P 45
R/W Phase B current threshold in Detection mode
P 45
R/W Phase C current threshold in Detection mode
P 46
R/W
Ioffset for phase A in Partial Measurement
mode
P 46
R/W
Ioffset for phase B in Partial Measurement
mode
P 46
R/W
Ioffset for phase C in Partial Measurement
mode
P 46
R/W
PGAgain Configuration in Partial Measurement
mode
P 47
R Irms for phase A in Partial Measurement mode
P 47
R Irms for phase B in Partial Measurement mode
P 47
R Irms for phase C in Partial Measurement mode
P 47
R/W
Measure configuration in Partial Measurement
mode
P 48
R/W
Number of 8K samples to be averaged in RMS/
mean computation
P 48
R LSB bits of PMRrms[A/B/C]
It returns MSB of the mean measurement
data in Mean value test
P 48
Configuration Registers
R/W Calibration Start Command
P 50
R/W High Word of PL_Constant
P 50
R/W Low Word of PL_Constant
P 50
Register
29
December 9, 2011