GTEM ESP32 ATM90E26 – Registers
| Register Address | Register Name | Definition | Default EnergyIC Values | Example H Value | Read/Write Type | Functional Description |
|---|---|---|---|---|---|---|
| 30H | AdjStart | Measurement Calibration Register | 0x5678 / 0x8765 | 6886H | R/W | Measurement Calibration Start Command |
| 41H | ANenergy | Energy Register | 0000H | R/C | Reverse Active Energy | |
| 40H | APenergy | Energy Register | 0000H | R/C | Forward Active Energy | |
| 42H | ATenergy | Energy Register | 0000H | R/C | Absolute Active Energy | |
| 20H | CalStart | Metering Calibration and Configuration Register | 0x5678 / 0x8765 | 6886H | R/W | Calibration Start Command. 0x8765 = Running |
| 2CH | CS1 | Metering Calibration and Configuration Register | 0xAE70 | 0000H | R/W | Checksum 1 (Use Auto Calculate) |
| 3BH | CS2 | Measurement Calibration Register | 0xF250 | 0000H | R/W | Checksum 2 (Use Auto Calculate) |
| 46H | EnStatus | Energy Register | C800H | R | Metering Status | |
| 4CH | Freq | Measurement Register | 0x0030 | 0000H | R | Voltage Frequency |
| 02H | FuncEn | Status and Special Register | 000CH | R/W | Function Enable | |
| 32H | IgainL | Measurement Calibration Register | 0x7A13 | 7A13H | R/W | L Line Current rms Gain |
| 33H | IgainN | Measurement Calibration Register | 7530H | R/W | N Line Current rms Gain | |
| 35H | IoffsetL | Measurement Calibration Register | 0x0000 | 0000H | R/W | L Line Current Offset |
| 36H | IoffsetN | Measurement Calibration Register | 0000H | R/W | N Line Current Offset | |
| 48H | Irms | Measurement Register | 0000H | R | L Line Current rms | |
| 68H | Irms2 | Measurement Register | 0000H | R | N Line Current rms | |
| 06H | LastData | Status and Special Register | 0000H | R | Last Read/Write SPI/UART Value | |
| 23H | Lgain | Metering Calibration and Configuration Register | 0x1D39 | 0000H | R/W | L Line Calibration Gain |
| 24H | Lphi | Metering Calibration and Configuration Register | 0x0000 | 0000H | R/W | L Line Calibration Angle |
| 08H | LSB | Metering Calibration and Configuration Register | 0000H | R/W | RMS/Power 16-bit LSB | |
| 2BH | MMode | Metering Calibration and Configuration Register | 0x9422 | 9422H | R/W | Metering Mode Configuration |
| 25H | Ngain | Metering Calibration and Configuration Register | 0000H | R/W | N Line Calibration Gain | |
| 26H | Nphi | Metering Calibration and Configuration Register | 0000H | R/W | N Line Calibration Angle | |
| 4EH | Pangle | Measurement Register | 0000H | R | Phase Angle between Voltage and L Line Current | |
| 6EH | Pangle2 | Measurement Register | 0000H | R | Phase Angle between Voltage and N Line Current | |
| 21H | PLconstH | Metering Calibration and Configuration Register | 0x05CD /0x00B9 | 0015H | R/W | High Word of PL_Constant |
| 22H | PLconstL | Metering Calibration and Configuration Register | 0xBB1C / 0xC1F3 | D174H | R/W | Low Word of PL_Constant |
| 4AH | Pmean | Measurement Register | 0000H | R | L Line Mean Active Power | |
| 6AH | Pmean2 | Measurement Register | 0000H | R | N Line Mean Active Power | |
| 28H | PNolTh | Metering Calibration and Configuration Register | 0x0000 | 0000H | R/W | Active No-Load Power Threshold |
| 37H | PoffsetL | Measurement Calibration Register | 0x0000 | 0000H | R/W | L Line Active Power Offset |
| 39H | PoffsetN | Measurement Calibration Register | 0000H | R/W | N Line Active Power Offset | |
| 4DH | PowerF | Measurement Register | 0000H | R | L Line Power Factor | |
| 6DH | PowerF2 | Measurement Register | 0000H | R | N Line Power Factor | |
| 27H | PStartTh | Metering Calibration and Configuration Register | 0x08BD | 08BDH | R/W | Active Startup Power Threshold |
| 4BH | Qmean | Measurement Register | 0000H | R | L Line Mean Reactive Power | |
| 6BH | Qmean2 | Measurement Register | 0000H | R | N Line Mean Reactive Power | |
| 2AH | QNolTh | Metering Calibration and Configuration Register | 0x0000 | 0000H | R/W | Reactive No-Load Power Threshold |
| 38H | QoffsetL | Measurement Calibration Register | 0x0000 | 0000H | R/W | L Line Reactive Power Offset |
| 3AH | QoffsetN | Measurement Calibration Register | 0000H | R/W | N Line Reactive Power Offset | |
| 29H | QStartTh | Metering Calibration and Configuration Register | 0x0AEC | 0AECH | R/W | Reactive Startup Power Threshold |
| 44H | RNenergy | Energy Register | 0000H | R/C | Reverse (Capacitive) Reactive Energy | |
| 43H | RPenergy | Energy Register | 0000H | R/C | Forward (Inductive) Reactive Energy | |
| 45H | RTenergy | Energy Register | 0000H | R/C | Absolute Reactive Energy | |
| 03H | SagTh | Status and Special Register | 0x17DD | 1D6AH | R/W | Voltage Sag Threshold |
| 04H | SmallPMod | Status and Special Register | 0000H | R/W | Small-Power Mode | |
| 4FH | Smean | Measurement Register | 0000H | R | L Line Mean Apparent Power | |
| 6FH | Smean2 | Measurement Register | 0000H | R | N Line Mean Apparent Power | |
| 00H | SoftReset | Status and Special Register | 0000H | W | Software Reset 0x789A | |
| 01H | SysStatus | Status and Special Register | 0000H | R/C | System Status | |
| 31H | Ugain | Measurement Calibration Register | 0xA07E | 6720H | R/W | Voltage rms Gain |
| 34H | Uoffset | Measurement Calibration Register | 0x0000 | 0000H | R/W | Voltage Offset |
| 49H | Urms | Measurement Register | 0000H | R | Voltage rms |
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Other Details
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