參數(shù)資料
型號: 90E32ERGI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP48
封裝: TQFP-48
文件頁數(shù): 33/67頁
文件大小: 777K
代理商: 90E32ERGI
90E32
POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Register
39
August 24, 2011
6.2.3
SPECIAL CONFIGURATION REGISTERS
ZXConfig
Zero-Crossing Configuration
13-12
-
Reserved.
11
THDUOvEn
This bit determines whether to enable the interrupt when the THDUOv bit (b11, SysStatus1) is set.
0: disable (default)
1: enable
10
THDIOvEn
This bit determines whether to enable the interrupt when the THDIOv bit (b10, SysStatus1) is set.
0: disable (default)
1: enable
9-8
-
Reserved.
7RevQchgTEn
These bits determine whether to enable the corresponding interrupt when any of the direction change bits (b7~b0, SysStatus1) is
set.
0: disable (default)
1: enable
6
RevQchgAEn
5
RevQchgBEn
4RevQchgCEn
3
RevPchgTEn
2
RevPchgAEn
1
RevPchgBEn
0
RevPchgCEn
Address: 07H
Type: Read/Write
Default Value: 0001H
Bit
Name
Description
15:13
ZX2Src[2:0]
These bits select the signal source for the ZX2, ZX1 or ZX0 pins.
12:10
ZX1Src[2:0]
9:7
ZX0Src[2:0]
6:5
ZX2Con[1:0]
These bits configure zero-crossing mode for the ZX2, ZX1 and ZX0 pins.
4:3
ZX1Con[1:0]
2:1
ZX0Con[1:0]
0ZXdis
This bit determines whether to disable the ZX signals:
0: enable
1: disable all the ZX signals to ‘0’ (default).
Code
Source
011
Fixed-0
000
Ua
001
Ub
010
Uc
111
Fixed-0
100
Ia
101
Ib
110
Ic
Code
Zero-Crossing Configuration
00
positive zero-crossing
01
negative zero-crossing
10
all zero-crossing
11
no zero-crossing output
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