71m6543h-igtr/f Maxim Integrated Products, Inc., 71m6543h-igtr/f Datasheet - Page 3

• Manufacturer Part Number: 71m6543h-igtr/f
• Description: Energy Meter Ic
• Manufacturer: Maxim Integrated Products, Inc.

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v1.0
3.1
3.2
3.3
3.4
3.5
Application Information ............................................................................................................... 85
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10 Connecting the Reset Pin ...................................................................................................... 94
4.11 Connecting the Emulator Port Pins ........................................................................................ 95
4.12 Flash Programming ............................................................................................................... 95
4.13 MPU Demonstration Code..................................................................................................... 95
4.14 Crystal Oscillator ................................................................................................................... 95
4.15 Meter Calibration ................................................................................................................... 96
Firmware Interface ....................................................................................................................... 97
5.1
5.2
5.3
5.4
Theory of Operation .............................................................................................................. 74
Battery Modes ....................................................................................................................... 74
Fault and Reset Behavior ...................................................................................................... 79
Wake-Up Behavior ................................................................................................................ 81
Data Flow and MPU/CE Communication ............................................................................... 83
Connecting 5 V Devices ........................................................................................................ 85
Directly Connected Sensors .................................................................................................. 85
Systems Using 71M6xx3 Isolated Sensors and Current Shunts ............................................. 86
System Using Current Transformers ..................................................................................... 87
Metrology Temperature Compensation .................................................................................. 88
Connecting I
Connecting Three-Wire EEPROMs ....................................................................................... 93
UART0 (TX/RX) .................................................................................................................... 93
Optical Interface (UART1) ..................................................................................................... 93
I/O RAM Map –Functional Order ........................................................................................... 97
I/O RAM Map – Alphabetical Order ..................................................................................... 103
Reading the Info Page (71M6543H only) ............................................................................. 117
CE Interface Description ..................................................................................................... 119
3.2.1 BRN Mode ................................................................................................................ 77
3.2.2 LCD Mode ................................................................................................................. 77
3.2.3 SLP Mode ................................................................................................................. 78
3.3.1 Events at Power-Down .............................................................................................. 79
3.3.2 IC Behavior at Low Battery Voltage ........................................................................... 80
3.3.3 Reset Sequence ........................................................................................................ 80
3.3.4 Watchdog Timer (WDT) Reset ................................................................................... 80
3.4.1 Wake on Hardware Events ........................................................................................ 81
3.4.2 Wake on Timer .......................................................................................................... 83
4.5.1 Distinction Between Standard and High-Precision Parts ............................................ 88
4.5.2 Temperature Coefficients for the 71M6543F .............................................................. 89
4.5.3 Temperature Coefficients for the 71M6543H .............................................................. 89
4.5.4 Temperature Coefficients for the 71M6xx3................................................................. 89
4.5.5 Temperature Compensation for VREF and Shunt Sensors ........................................ 89
4.5.6 Temperature Compensation of VREF and Current Transformers ............................... 91
4.12.1 Flash Programming via the ICE Port .......................................................................... 95
4.12.2 Flash Programming via the SPI Port .......................................................................... 95
5.4.1 CE Program ............................................................................................................ 119
5.4.2 CE Data Format ...................................................................................................... 119
5.4.3 Constants ................................................................................................................ 119
5.4.4 Environment ............................................................................................................ 120
5.4.5 CE Calculations ....................................................................................................... 120
5.4.6 CE Front-End Data (Raw Data) ............................................................................... 121
5.4.7 CE Status and Control ............................................................................................. 122
2
C EEPROMs .................................................................................................... 93
© 2008–2011 Teridian Semiconductor Corporation
71M6543F/H Data Sheet
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