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Data Sheet
ADE7880
Bit
7
Mnemonic
PFMODE
Default Value
0
Description
0: power factor calculation uses instantaneous values of various phase powers used in its
expression.
1: power factor calculation uses phase energies values calculated using line cycle accumulation
mode. Bits LWATT and LVA in LCYCMODE register must be enabled for the power factors to be
computed correctly. The update rate of the power factor measurement in this case is the integral
number of half line cycles that are programmed into the LINECYC register.
Table 52. HSDC_CFG Register (Address 0xE706)
Bit
0
Mnemonic
HCLK
Default Value
0
Description
0: HSCLK is 8 MHz.
1: HSCLK is 4 MHz.
1
HSIZE
0
0: HSDC transmits the 32-bit registers in 32-bit packages, most significant bit first.
1: HSDC transmits the 32-bit registers in 8-bit packages, most significant bit first.
2
HGAP
0
0: no gap is introduced between packages.
1: a gap of seven HCLK cycles is introduced between packages.
4:3
HXFER[1:0]
00
00 = HSDC transmits sixteen 32-bit words in the following order: IAWV, VAWV, IBWV, VBWV, ICWV,
VCWV, INWV, AVA, BVA, CVA, AWATT, BWATT, CWATT, AFVAR, BFVAR, and CFVAR.
01 = HSDC transmits seven instantaneous values of currents and voltages: IAWV, VAWV,
IBWV, VBWV, ICWV, VCWV, and INWV.
10 = HSDC transmits nine instantaneous values of phase powers: AVA, BVA, CVA, AWATT,
BWATT, CWATT, AFVAR, BFVAR, and CFVAR.
11 = reserved. If set, the ADE7880 behaves as if HXFER[1:0] = 00.
5
HSAPOL
0
0: SS/has output pin is active low.
1: SS/HSA output pin is active high.
7:6
Reserved
00
Reserved. These bits do not manage any functionality.
Table 53. CONFIG3 Register (Address 0xEA00)
Bit
0
Mnemonic
HPFEN
Default Value
1
Description
When HPFEN = 1, then all high-pass filters in voltage and current channels are enabled.
When HPFEN = 0, then all high-pass filters are disabled.
1
LPFSEL
0
When LPFSEL = 0, the LPF in the total active power data path introduces a settling time of
650 ms.
When LPFSEL = 1, the LPF in the total active power data path introduces a settling time of
1300 ms.
2
INSEL
0
When INSEL = 0, the register NIRMS contains the rms value of the neutral current.
When INSEL = 1, the register NIRMS contains the rms value of ISUM, the instantaneous value
of the sum of all 3 phase currents, IA, IB, and IC.
3
ININTEN
0
This bit manages the integrator in the neutral current channel.
If ININTEN = 0, then the integrator in the neutral current channel is disabled.
If ININTDIS = 1, then the integrator in the neutral channel is enabled.
The integrators in the phase currents channels are managed by Bit 0 (INTEN) of CONFIG
register.
4
7:5
Reserved
Reserved
0
000
Reserved. This bit should be maintained at 0 for proper operation.
Reserved. These bits do not manage any functionality.
Rev. A| Page 101 of 104
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