71M6545 Datasheet, PDF (4/134 Pages) Maxim Integrated Products – Four-Quadrant Metering, Phase Metrology Processors Flash/RAM Size

Data Sheet 71M6545/H
PDS_6545_009
6.1 Absolute Maximum Ratings................................................................................................. 113
6.2 Recommended External Components ................................................................................. 114
6.3 Recommended Operating Conditions.................................................................................. 114
6.4 Performance Specifications................................................................................................. 115
6.4.1 Input Logic Levels ................................................................................................... 115
6.4.2 Output Logic Levels................................................................................................. 115
6.4.3 Battery Monitor........................................................................................................ 116
6.4.4 Temperature Monitor............................................................................................... 117
6.4.5 Supply Current ........................................................................................................ 118
6.4.6 V3P3D Switch ......................................................................................................... 118
6.4.7 Internal Power Fault Comparators ........................................................................... 119
6.4.8 2.5 V Voltage Regulator – System Power ................................................................ 119
6.4.9 Crystal Oscillator ..................................................................................................... 119
6.4.10 Phase-Locked Loop (PLL) ....................................................................................... 120
6.4.11 71M6545/H VREF ................................................................................................... 121
6.4.12 ADC Converter (71M6545/H)................................................................................... 122
6.4.13 Pre-Amplifier for IADC0-IADC1................................................................................ 123
6.5 Timing Specifications .......................................................................................................... 124
6.5.1 Flash Memory ......................................................................................................... 124
6.5.2 SPI Slave ................................................................................................................ 124
6.5.3 EEPROM Interface.................................................................................................. 124
6.5.4 RESET Pin.............................................................................................................. 125
6.5.5 Real-Time Clock (RTC) ........................................................................................... 125
6.6 64-Pin LQFP Package Outline Drawing............................................................................... 126
6.7 71M6545/H Pinout .............................................................................................................. 127
6.8 71M6545/H Pin Descriptions ............................................................................................... 128
6.8.1 71M6545/H Power and Ground Pins........................................................................ 128
6.8.2 71M6545/H Analog Pins .......................................................................................... 129
6.8.3 71M6545/H Digital Pins ........................................................................................... 130
6.8.4 I/O Equivalent Circuits ............................................................................................. 131
7 Ordering Information ................................................................................................................. 132
7.1 71M6545/H Ordering Guide ................................................................................................ 132
8 Related Information ................................................................................................................ 132
9 Contact Information ................................................................................................................ 132
Appendix A: Acronyms .................................................................................................................... 133
Appendix B: Revision History.......................................................................................................... 134
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