71M6543F-IGTR/F Maxim Integrated Products, 71M6543F-IGTR/F Datasheet - Page 3
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71M6543F-IGTR/F
Manufacturer Part Number
71M6543F-IGTR/F
Description
PMIC Solutions Precision Energy Meter IC
Manufacturer
Maxim Integrated Products
Type
Metering SoCr
Datasheet
1.71M6543F-DB.pdf
(157 pages)
Specifications of 71M6543F-IGTR/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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
71M6543F-IGTR/F
Manufacturer:
Maxim Integrated
Quantity:
10 000
4
5
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
2
C EEPROMs .................................................................................................... 94
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71M6543F/H and 71M6543G/GH Data Sheet
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