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ADE7566 数据表(PDF) 37 Page - Analog Devices

部件名 ADE7566
功能描述  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
PDF  136 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE7566 数据表(HTML) 37 Page - Analog Devices

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Preliminary Technical Data
ADE7566/ADE7569
Rev. PrA | Page 37 of 136
Address
MADDPT[6:0]
Mnemonic
R/W
Length
(Bits)
Signed/
Unsigned
Default
Description
0x27
CF1NUM
R/W
16
U
0
Sets CF1 numerator register.
0x28
CF1DEN
R/W
16
U
0x003F
Sets CF1 denominator register.
0x29
CF2NUM
R/W
16
U
0
Sets CF2 numerator register.
0x2A
CF2DEN
R/W
16
U
0x003F
Sets CF2 denominator register.
1 This function is not available in the ADE7566 part.
ENERGY MEASUREMENT INTERNAL REGISTERS DETAILS
Table 30. MODE1 Register (0x0B)
Bit No.
Mnemonic
Default
Description
7
SWRST
0
Setting this bit resets all of the energy measurement registers to their default values.
6
DISZXLPF
0
Setting this bit disables the zero-crossing low-pass filter.
5
INTE
0
Setting this bit enables the digital integrator for use with a di/dt sensor.
4
SWAPBITS
0
Setting this bit swaps CH1 ADC and CH2 ADC.
3
PWRDN
0
Setting this bit powers down voltage and current ADCs.
2
DISCF2
1
Setting this bit disables Frequency Output CF2.
1
DISCF1
1
Setting this bit disables Frequency Output CF1.
0
DISHPF
0
Setting this bit disables the HPFs in voltage and current channels.
Table 31. MODE2 Register (0x0C)
Bit No.
Mnemonic
Default
Description
Configuration Bits for CF2 Output.
CF2SEL[1:0]
Result
00
CF2 frequency is proportional to active power.
01
CF2 frequency is proportional to reactive power.1
7 to 6
CF2SEL[1:0]
01
1x
CF2 frequency is proportional to apparent power or Irms.
5 to 4
CF1SEL[1:0]
00
Configuration Bits for CF1 Output.
CF1SEL[1:0]
Result
00
CF1 frequency is proportional to active power.
01
CF1 frequency is proportional to reactive power.1
1x
CF1 frequency is proportional to apparent power or Irms.
3
VARMSCFCON
0
Configuration Bits for Apparent Power or Irms for CF1 and CF2 Outputs. Note that CF1 cannot be
proportional to VA if CF2 is proportional to Irms, and vice versa.
VARMSCFCON
Result
0
If CF1SEL[1:0] = 1x, CF1 is proportional to VA.
If CF2SEL[1:0] = 1x, CF2 is proportional to VA.
1
If CF1SEL[1:0] = 1x, CF1 is proportional to Irms.
If CF2SEL[1:0] = 1x, CF2 is proportional to Irms.
2
ZXRMS
0
Logic 1 enables update of RMS values synchronously to voltage ZX.
1
FREQSEL
Configuration Bits to Select Period or Frequency Measurement for PER_FREQ Register (0x0A).
FREQSEL
Result
0
PER_FREQ register holds a period measurement.
1
PER_FREQ register holds a frequency measurement.
0
Reserved
1
This bit should be kept to 1.
1 This function is not available in the ADE7566 part.



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