ade7566 Analog Devices, Inc., ade7566 Datasheet - Page 37

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ade7566

Manufacturer Part Number
ade7566
Description
Single-phase Energy Measurement Ic With 8052 Mcu, Rtc, And Lcd Driver
Manufacturer
Analog Devices, Inc.
Datasheet

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Address
MADDPT[6:0]
0x27
0x28
0x29
0x2A
0x3B
0x3C
0x3D
0x3E
0x3F
1
ENERGY MEASUREMENT INTERNAL REGISTERS DETAILS
Table 32. MODE1 Register (0x0B)
Bit No.
7
6
5
4
3
2
1
0
Table 33. MODE2 Register (0x0C)
Bit No.
7 to 6
5 to 4
3
2
1
0
1
This function is not available in the ADE7566 part.
This function is not available in the ADE7566 part.
Mnemonic
CF2SEL[1:0]
CF1SEL[1:0]
VARMSCFCON
ZXRMS
FREQSEL
WAVEN
Mnemonic
SWRST
DISZXLPF
INTE
SWAPBITS
PWRDN
DISCF2
DISCF1
DISHPF
Mnemonic
CF1NUM
CF1DEN
CF2NUM
CF2DEN
Reserved
Reserved
Reserved
Reserved
Reserved
Default
01
00
0
0
0
Default
0
0
0
0
0
1
1
0
R/W
R/W
R/W
R/W
R/W
Description
Configuration Bits for CF2 Output.
CF2SEL[1:0]
00
01
1x
Configuration Bits for CF1 Output.
CF1SEL[1:0]
00
01
1x
Configuration Bits for Apparent Power or I
RVAHR, and LVAHR). Note that CF1 cannot be proportional to VA if CF2 is proportional to I
VARMSCFCON
0
1
Logic 1 enables update of rms values synchronously to Voltage ZX.
Configuration Bits to Select Period or Frequency Measurement for PER_FREQ Register (0x0A).
FREQSEL
0
1
When set, the waveform sampling mode is enabled.
Length
(Bits)
16
16
16
16
Description
Setting this bit resets all of the energy measurement registers to their default values.
Setting this bit disables the zero-crossing low-pass filter.
Setting this bit enables the digital integrator for use with a di/dt sensor.
Setting this bit swaps CH1 ADC and CH2 ADC.
Setting this bit powers down voltage and current ADCs.
Setting this bit disables Frequency Output CF2.
Setting this bit disables Frequency Output CF1.
Setting this bit disables the HPFs in voltage and current channels.
Signed/
Unsigned
U
U
U
U
Default
0
0x003F
0
0x003F
0
0x0300
0
0
0
Rev. 0 | Page 37 of 136
Result
CF2 frequency is proportional to active power.
CF2 frequency is proportional to reactive power.
CF2 frequency is proportional to apparent power or I
Result
CF1 frequency is proportional to active power.
CF1 frequency is proportional to reactive power.
CF1 frequency is proportional to apparent power or I
Result
If CF1SEL[1:0] = 1x, CF1 is proportional to VA.
If CF2SEL[1:0] = 1x, CF2 is proportional to VA.
If CF1SEL[1:0] = 1x, CF1 is proportional to I
If CF2SEL[1:0] = 1x, CF2 is proportional to I
Result
PER_FREQ register holds a period measurement.
PER_FREQ register holds a frequency measurement.
Description
Sets CF1 numerator register.
Sets CF1 denominator register.
Sets CF2 numerator register.
Sets CF2 denominator register.
This register must be kept at its default value for proper operation.
This register must be kept at its default value for proper operation.
This register must be kept at its default value for proper operation.
This register must be kept at its default value for proper operation.
This register must be kept at its default value for proper operation.
rms
for CF1, CF2 Outputs, and VA Accumulation Registers (VAHR,
rms
rms
ADE7566/ADE7569
.
.
1
1
rms
rms
rms
.
.
, and vice versa.

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