71M6534 MAXIM [Maxim Integrated Products], 71M6534 Datasheet - Page 3

• Manufacturer Part Number: 71M6534
• Description: Exceeds IEC 62053/ANSI C12.20 Standards
• Manufacturer: MAXIM [Maxim Integrated Products]

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4
Rev 2
2.4
2.5
2.6
2.7
Application Information ............................................................................................................... 68
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10 Optical Interface (UART1) ................................................................................................... 74
3.11 Connecting the V1 Pin ........................................................................................................ 75
3.12 Connecting the Reset Pin ................................................................................................... 75
3.13 Connecting the Emulator Port Pins.................................................................................... 76
3.14 Connecting a Battery .......................................................................................................... 76
3.15 Flash Programming ............................................................................................................ 77
3.16 MPU Firmware Library ........................................................................................................ 77
3.17 Crystal Oscillator ................................................................................................................ 77
3.18 Meter Calibration ................................................................................................................. 78
Firmware Interface ....................................................................................................................... 79
4.1
4.2
4.3
Fault and Reset Behavior ................................................................................................... 65
Wake Up Behavior............................................................................................................... 65
Data Flow ............................................................................................................................. 66
CE/MPU Communication .................................................................................................... 67
Connection of Sensors (CT, Resistive Shunt) ................................................................... 68
Distinction between 71M6533/71M6534 and 71M6533G/H/71M6534H Parts ..................... 68
Connecting 5 V Devices ...................................................................................................... 69
Temperature Measurement ................................................................................................. 69
Temperature Compensation ............................................................................................... 69
Connecting LCDs ................................................................................................................ 72
Connecting I
Connecting Three-Wire EEPROMs ..................................................................................... 73
UART0 (TX/RX) .................................................................................................................... 74
I/O RAM and SFR Map –Functional Order .......................................................................... 79
I/O RAM Description – Alphabetical Order......................................................................... 83
CE Interface Description ..................................................................................................... 95
2.3.2 LCD Mode ................................................................................................................. 59
2.3.3 SLEEP Mode............................................................................................................. 59
2.4.1 Reset Mode ............................................................................................................... 65
2.4.2 Power Fault Circuit .................................................................................................... 65
2.5.1 Wake on PB .............................................................................................................. 65
2.5.2 Wake on Timer .......................................................................................................... 66
3.5.1 Temperature Coefficients .......................................................................................... 69
3.5.2 Temperature Compensation for VREF ....................................................................... 71
3.5.3 System Temperature Compensation .......................................................................... 72
3.5.4 Temperature Compensation for the RTC ................................................................... 72
4.3.1 CE Program .............................................................................................................. 95
4.3.2 CE Data Format ........................................................................................................ 95
4.3.3 Constants .................................................................................................................. 95
4.3.4 Environment .............................................................................................................. 96
4.3.5 CE Calculations ......................................................................................................... 97
4.3.6 CE Front End Data (Raw Data).................................................................................. 97
4.3.7 CE Status and Control ............................................................................................... 98
4.3.8 CE Transfer Variables ............................................................................................. 100
4.3.9 Temperature Measurement and Temperature Compensation .................................. 102
4.3.10 Pulse Generation..................................................................................................... 102
4.3.11 Noise Suppression and Version Parameters ............................................................ 104
4.3.12 CE Calibration Parameters ...................................................................................... 104
4.3.13 CE Flow Diagrams .................................................................................................. 105
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C EEPROMs .................................................................................................. 73
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