71M6543F-IGT/F Maxim Integrated Products, 71M6543F-IGT/F Datasheet - Page 3

• Manufacturer Part Number: 71M6543F-IGT/F
• Description: PMIC Solutions Precision Energy Meter IC
• Manufacturer: Maxim Integrated Products
• Type: Metering SoCr

Specifications of 71M6543F-IGT/F

• Core: 8051
• Core Architecture: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 5 KB
• Device Million Instructions Per Second: 5 MIPS
• Interface Type: I2C, ICE, SPI, UART
• Maximum Clock Frequency: 5 MHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Programmable I/os: 51
• Number Of Timers: 2
• On-chip Adc: 22 bit
• Operating Supply Voltage: 3 V to 3.6 V
• Package / Case: LQFP-100
• Processor Series: 8051
• Program Memory Size: 64 KB
• Program Memory Type: Flash
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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v1.2
3.1
3.2
3.3
3.4
3.5
Application Information ............................................................................................................... 86
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10 Connecting the Reset Pin ...................................................................................................... 95
4.11 Connecting the Emulator Port Pins ........................................................................................ 96
4.12 Flash Programming ............................................................................................................... 96
4.13 MPU Demonstration Code..................................................................................................... 96
4.14 Crystal Oscillator ................................................................................................................... 97
4.15 Meter Calibration ................................................................................................................... 97
Firmware Interface ....................................................................................................................... 98
5.1
5.2
5.3
5.4
Theory of Operation .............................................................................................................. 75
Battery Modes ....................................................................................................................... 75
Fault and Reset Behavior ...................................................................................................... 80
Wake-Up Behavior ................................................................................................................ 82
Data Flow and MPU/CE Communication ............................................................................... 84
Connecting 5 V Devices ........................................................................................................ 86
Directly Connected Sensors .................................................................................................. 86
Systems Using 71M6xx3 Isolated Sensors and Current Shunts ............................................. 87
System Using Current Transformers ..................................................................................... 88
Metrology Temperature Compensation .................................................................................. 89
Connecting I
Connecting Three-Wire EEPROMs ....................................................................................... 94
UART0 (TX/RX) .................................................................................................................... 94
Optical Interface (UART1) ..................................................................................................... 94
I/O RAM Map –Functional Order ........................................................................................... 98
I/O RAM Map – Alphabetical Order ..................................................................................... 104
Reading the Info Page (71M6543H and 71M6543GH only).................................................. 118
CE Interface Description ..................................................................................................... 120
3.2.1 BRN Mode ................................................................................................................ 78
3.2.2 LCD Mode ................................................................................................................. 78
3.2.3 SLP Mode ................................................................................................................. 79
3.3.1 Events at Power-Down .............................................................................................. 80
3.3.2 IC Behavior at Low Battery Voltage ........................................................................... 81
3.3.3 Reset Sequence ........................................................................................................ 81
3.3.4 Watchdog Timer (WDT) Reset ................................................................................... 81
3.4.1 Wake on Hardware Events ........................................................................................ 82
3.4.2 Wake on Timer .......................................................................................................... 84
4.5.1 Distinction Between Standard and High-Precision Parts ............................................ 89
4.5.2 Temperature Coefficients for the 71M6543F and 71M6543G ..................................... 90
4.5.3 Temperature Coefficients for the 71M6543H and 71M6543GH .................................. 90
4.5.4 Temperature Coefficients for the 71M6xx3................................................................. 90
4.5.5 Temperature Compensation for VREF and Shunt Sensors ........................................ 90
4.5.6 Temperature Compensation of VREF and Current Transformers ............................... 92
4.12.1 Flash Programming via the ICE Port .......................................................................... 96
4.12.2 Flash Programming via the SPI Port .......................................................................... 96
5.4.1 CE Program ............................................................................................................ 120
5.4.2 CE Data Format ...................................................................................................... 120
5.4.3 Constants ................................................................................................................ 120
5.4.4 Environment ............................................................................................................ 121
5.4.5 CE Calculations ....................................................................................................... 121
5.4.6 CE Front-End Data (Raw Data) ............................................................................... 122
5.4.7 CE Status and Control ............................................................................................. 123
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C EEPROMs .................................................................................................... 94
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71M6543F/H and 71M6543G/GH Data Sheet
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