參數(shù)資料
型號: 90E23PYGI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封裝: GREEN, SSOP-28
文件頁數(shù): 26/54頁
文件大?。?/td> 610K
代理商: 90E23PYGI
90E21/22/23/24
SINGLE-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Register
32
March 22, 2011
5.3.2
MEASUREMENT CALIBRATION REGISTER
AdjStart
Measurement Calibration Start Command
Ugain
Voltage rms Gain
Address: 30H
Type: Read/Write
Default Value: 6886H
Bit
Name
Description
15 - 0
AdjStart[15:0]
Measurement Calibration Start Command
6886H: Power-on value. No measurement.
5678H: Measurement calibration startup command. After 5678H is written to this register, registers 31H-3AH resume to their
power-on values. The 90E21/22/23/24 starts to measure regardless of the correctness of diagnosis. The AdjErr[1:0] bits
(SysStatus, 01H) are not set and the IRQ pin does not report any interrupt.
8765H: Check the correctness of the 31H-3AH registers. If correct, normal measurement. If not correct, measurement function is
disabled, the AdjErr[1:0] bits (SysStatus, 01H) are set and the IRQ pin reports interrupt.
Others: No measurement. The AdjErr[1:0] bits (SysStatus, 01H) are set and the IRQ pin reports interrupt.
Address: 31H
Type: Read/Write
Default Value: 6720H
Bit
Name
Description
15 - 0
Ugain[15:0]
Voltage rms Gain. For details, please refer to IDT application note AN-641.
Note:
the Ugain15 bit should only be '0'
15
14
13
12
11
10
9
8
AdjStart15
AdjStart14
AdjStart13
AdjStart12
AdjStart11
AdjStart10
AdjStart9
AdjStart8
765
432
1
0
AdjStart7
AdjStart6
AdjStart5
AdjStart4
AdjStart3
AdjStart2
AdjStart1
AdjStart0
15
14
13
12
11
10
9
8
Ugain15
Ugain14
Ugain13
Ugain12
Ugain11
Ugain10
Ugain9
Ugain8
765
432
1
0
Ugain7
Ugain6
Ugain5
Ugain4
Ugain3
Ugain2
Ugain1
Ugain0
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