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ADE5166 数据表(PDF) 42 Page - Analog Devices |
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ADE5166 数据表(HTML) 42 Page - Analog Devices |
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42 / 156 page  ADE5166/ADE5169/ADE5566/ADE5569 Rev. B | Page 42 of 156 Address MADDPT[6:0] Mnemonic R/W Length (Bits) Signed/ Unsigned Default Description 0x29 CF2NUM R/W 16 U 0 Sets CF2 numerator register. 0x2A CF2DEN R/W 16 U 0x003F Sets CF2 denominator register. 0x2B MODE3 R/W 8 U 0 Enables zero-crossing outputs (see Table 39). 0x3B Reserved 0 This register must be set to its default value for proper operation. 0x3C Reserved 0x0300 This register must be set to its default value for proper operation. 0x3D CALMODE2 R/W 8 U 0 Sets calibration mode (see Table 40). 0x3E Reserved 0 This register must be set to its default value for proper operation. 0x3F Reserved 0 This register must be set to its default value for proper operation. 1 This function is not available in the ADE5166 and ADE5566. 2 This function is not available in the ADE5566 and ADE5569. ENERGY MEASUREMENT INTERNAL REGISTERS DETAILS Table 33. Mode 1 Register (MODE1, Address 0x0B) Bit 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 34. Mode 2 Register (MODE2, Address 0x0C) Bit Mnemonic Default Description [7:6] CF2SEL 01 Configuration bits for CF2 output. CF2SEL Result 00 CF2 frequency is proportional to active power 01 CF2 frequency is proportional to reactive power1 1X2 CF2 frequency is proportional to apparent power or Irms [5:4] CF1SEL 00 Configuration bits for CF1 output. CF1SEL Result 00 CF1 frequency is proportional to active power 01 CF1 frequency is proportional to reactive power1 1X2 CF1 frequency is proportional to apparent power or Irms 3 VARMSCFCON 0 Configuration bit for apparent power or Irms for CF1 and CF2 outputs and VA accumulation registers (VAHR, RVAHR, and LVAHR). Note that CF1 cannot be proportional to VA if CF2 is proportional to Irms, and vice versa. VARMSCFCON Result 0 If CF1SEL = 1X, CF1 is proportional to VA If CF2SEL = 1X, CF2 is proportional to VA 1 If CF1SEL = 1X, CF1 is proportional to Irms If CF2SEL = 1X, CF2 is proportional to Irms 2 ZXRMS 0 Logic 1 enables update of rms values synchronously to Voltage ZX. 1 FREQSEL 0 Configuration bit to select period or frequency measurement for the PER_FREQ register (Address 0x0A). FREQSEL Result 0 The PER_FREQ register holds a period measurement 1 The PER_FREQ register holds a frequency measurement 0 WAVEN 0 When this bit is set, waveform sampling mode is enabled. 1 This function is not available in the ADE5166 and ADE5566. 2 X = don’t care. |
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