參數(shù)資料
型號(hào)： ADE7754ARRL
廠商： ANALOG DEVICES INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： ADE7754
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO24
封裝： MS-013AD, SOIC-24
文件頁數(shù)： 35/44頁
文件大?。?/td> 630K
代理商： ADE7754ARRL
REV. PrG 01/03
PRELIMINARY TECHNICAL DATA
ADE7754
–
35
–
Table VIII. ADE7754 REGISTER LIST
Address
[A5:A0]
Default
Value
Name
R/W*
Length
Description
00h
01h
Reserved
AENERGY
-
R
Reserved.
Active Energy register. Active power is accumulated over time in
an internal register. The AENERGY register is a read only regis-
ter that reads this internal register and can hold a minimum of 88
seconds of active energy information with full-scale analog inputs
before it overflows -
See Energy Calculation
. Bit 7 to 3 of the
WATMODE register determine how the Active energy is pro-
cessed from the six Analog inputs - see Table XIV.
Same as the AENERGY register, except that the internal register
is reset to zero following a read operation.
Line Accumulation Active Energy register. The instantaneous
active power is accumulated in this read-only register over the
LINCYC number of half line cycles. Bit 2 to 0 of the
WATMODE register determines, how the Line Accumulation
Active energy is processed from the six Analog inputs - see Table
XIV.
VA Energy register. Apparent power is accumulated over time in
this read-only register. Bit 7 to 3 of the VAMODE register deter-
mines, how the Apparent energy is processed from the six Analog
inputs - see Table XV.
Same as the VAENERGY register except that the register is reset
to zero following a read operation.
Apparent Energy register. The instantaneous Apparent power is
accumulated in this read-only register over the LINCYC number
of half line cycles. Bit 2 to 0 of the VAMODE register determines
how the Apparent energy is processed from the six Analog inputs
- see Table XV.
Period of the line input estimated by Zero-crossing processing.
Data bits 0 to 1 and 4 to 6 of the MMODE register determines
the voltage channel used for Period calculation - see table XII.
Temperature register. This register contains the result of the lat-
est temperature conversion. Please refer to
Temperature Measurement
section on this datasheet for details on how to interpret the con-
tent of this register.
Waveform register. This register contains the digitized waveform
of one of the six analog inputs. The source is selected by data
bits 0 to 2 in the WAVMode register - see Table XIII.
Operational Mode Register. This register defines the general
configuration of the ADE7754. See
Table IX
.
Measurement Mode register. This register defines the channel
used for Period and Peak detection measurements. See
Table XII
.
Waveform Mode register. This register defines the channel and
the sampling frequency used in Waveform sampling mode. See
Table XIII
.
This register configures the formula applied for the Active Energy
and Line active energy measurements. See
Table XIV
.
This register configures the formula applied for the Apparent
Energy and Line Apparent Energy measurements. See
Table XV
.
IRQ Mask register. It determines if an interrupt event will gener-
ate an active-low output at
IRQ
pin - see
Table XVI
.
IRQ Status register. This register contains information regarding
the source of ADE7754 interrupts - see
Table XVII
.
Same as the STATUS register. Except that its contents are reset
to zero (all flags cleared) after a read operation.
24
0
02h
RAENERGY
R
24
0
03h
LAENERGY
R
24
0
04h
VAENERGY
R
24
0
05h
RVAENERGY R
24
0
06h
LVAENERGY R
24
0
07h
PERIOD
R
15
0
08h
TEMP
R
8
0
09h
WFORM
R
24
0
0Ah
OPMODE
R/W
8
4
0Bh
MMODE
R/W
8
70h
0Ch
WAVMODE
R/W
8
0
0Dh
WATMODE
R/W
8
3Fh
0Eh
VAMODE
R/W
8
3Fh
0Fh
MASK
R/W
16
0
10h
STATUS
R
16
0
11h
RSTATUS
R
16
0
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