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ADE7166 数据表(PDF) 44 Page - Analog Devices |
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ADE7166 数据表(HTML) 44 Page - Analog Devices |
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44 / 144 page  ADE7566/ADE7569/ADE7166/ADE7169 Rev. A | Page 44 of 144 Bit Mnemonic Default Description 2 to 0 PGA1[2:0] 000 These bits define the current channel input gain. PGA1[2:0] Result 000 Gain = 11 001 Gain = 2 010 Gain = 4 011 Gain = 8 100 Gain = 16 1 This gain is not recommended in the ADE7166 and ADE7169 because it can create an overranging of the ADC when both current inputs are in opposite phase. Table 38. CALMODE Register (0x3D)1 Bit Mnemonic Default Description 7 to 6 Reserved 0 These bits should be kept cleared for proper operation. 5 to 4 SEL_I_CH[1:0] 0 These bits define the current channel used for energy measurements. [1:0] 00 Current channel automatically selected by the tampering condition 01 Current channel connected to IPA 10 Current channel connected to IPB 11 Current channel automatically selected by the tampering condition 3 V_CH_SHORT 0 Logic one short voltage channel to ground. 2 I_CH_SHORT 0 Logic one short Current channels to ground. 1 to 0 Reserved 1 This register is not available in the ADE7566 and ADE7569. INTERRUPT STATUS/ENABLE SFRS Table 39. Interrupt Status 1 SFR (MIRQSTL, 0xDC) Bit Interrupt Flag Description 7 ADEIRQFLAG This bit is set if any of the ADE status flags that are enabled to generate an ADE interrupt are set. This bit is automatically cleared when all of the enabled ADE status flags are cleared. 6 Reserved Reserved. 5 FAULTSIGN1 Logic 1 indicates that the fault mode has changed according to the configuration of the ACCMODE register. 4 VARSIGN2 Logic 1 indicates that the reactive power sign has changed according to the configuration of the ACCMODE register. 3 APSIGN Logic 1 indicates that the active power sign has changed according to the configuration of the ACCMODE register. 2 VANOLOAD Logic 1 indicates that an interrupt has been caused by apparent power no-load detected. This interrupt is also used to reflect the part entering the Irms no-load mode. 1 RNOLOAD2 Logic 1 indicates that an interrupt has been caused by reactive power no-load detected. 0 APNOLOAD Logic 1 indicates that an interrupt has been caused by active power no-load detected. 1 This function is not available in the ADE7566 and ADE7569. 2 This function is not available in the ADE7566 and ADE7166. Table 40. Interrupt Status 2 SFR (MIRQSTM, 0xDD) Bit Interrupt Flag Description 7 CF2 Logic 1 indicates that a pulse on CF2 has been issued. The flag is set even if CF2 pulse output is not enabled by clearing Bit 2 of the MODE1 register. 6 CF1 Logic 1 indicates that a pulse on CF1 has been issued. The flag is set even if CF1 pulse output is not enabled by clearing Bit 1 of the MODE1 register. 5 VAEOF Logic 1 indicates that the VAHR register has overflowed. 4 REOF1 Logic 1 indicates that the VARHR register has overflowed. 3 AEOF Logic 1 indicates that the WATTHR register has overflowed. 2 VAEHF Logic 1 indicates that the VAHR register is half full. 1 REHF1 Logic 1 indicates that the VARHR register is half full. 0 AEHF Logic 1 indicates that the WATTHR register is half full. 1 This function is not available in the ADE7566 and ADE7166. |
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