71M6543G Maxim, 71M6543G Datasheet - Page 4

• Manufacturer Part Number: 71M6543G
• Description: The 71M6543F/71M6543H are Teridian's 4th-generation polyphase metering system-on-chips (SoCs) with a 5MHz, 8051-compatible MPU core, low-power real-time clock (RTC) with digital temperature compensation, flash memory, and LCD driver
• Manufacturer: Maxim

71M6543F/H and 71M6543G/GH Data Sheet
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Appendix A: Acronyms ..................................................................................................................... 156
Appendix B: Revision History ........................................................................................................... 157
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71M6543 Specifications ............................................................................................................. 133
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
Ordering Information ................................................................................................................. 155
7.1
Related Information ................................................................................................................ 155
Contact Information ................................................................................................................ 155
Absolute Maximum Ratings ................................................................................................. 133
Recommended External Components ................................................................................. 134
Recommended Operating Conditions .................................................................................. 134
Performance Specifications ................................................................................................. 135
Timing Specifications .......................................................................................................... 146
Typical Performance Data ......................................................... Error! Bookmark not defined.
100-Pin LQFP Package Outline Drawing ............................................................................. 148
71M6543 Pinout .................................................................................................................. 149
71M6543 Pin Descriptions................................................................................................... 150
71M6543 Ordering Guide .................................................................................................... 155
5.4.8 CE Transfer Variables ............................................................................................. 125
5.4.9 Pulse Generation..................................................................................................... 127
5.4.10 CE Calibration Parameters ...................................................................................... 130
5.4.11 CE Flow Diagrams .................................................................................................. 131
6.4.1 Input Logic Levels ................................................................................................... 135
6.4.2 Output Logic Levels ................................................................................................. 135
6.4.3 Battery Monitor ........................................................................................................ 136
6.4.4 Temperature Monitor ............................................................................................... 137
6.4.5 Supply Current ........................................................................................................ 138
6.4.6 V3P3D Switch ......................................................................................................... 139
6.4.7 Internal Power Fault Comparators ........................................................................... 139
6.4.8 2.5 V Voltage Regulator – System Power ................................................................ 139
6.4.9 2.5 V Voltage Regulator – Battery Power ................................................................. 140
6.4.10 Crystal Oscillator ..................................................................................................... 140
6.4.11 Phase-Locked Loop (PLL) ....................................................................................... 140
6.4.12 LCD Drivers ............................................................................................................ 140
6.4.13 VLCD Generator...................................................................................................... 140
6.4.14 71M6543 VREF ....................................................................................................... 143
6.4.15 ADC Converter ........................................................................................................ 144
6.4.16 Pre-Amplifier for IADC0-IADC1 ................................................................................ 145
6.5.1 Flash Memory ......................................................................................................... 146
6.5.2 SPI Slave ................................................................................................................ 146
6.5.3 EEPROM Interface .................................................................................................. 146
6.5.4 RESET Pin .............................................................................................................. 147
6.5.5 Real-Time Clock (RTC) ........................................................................................... 147
6.9.1 71M6543 Power and Ground Pins ........................................................................... 150
6.9.2 71M6543 Analog Pins ............................................................................................. 151
6.9.3 71M6543 Digital Pins............................................................................................... 152
6.9.4 I/O Equivalent Circuits ............................................................................................. 154
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