71M6534-IGT/F Maxim Integrated Products, 71M6534-IGT/F Datasheet - Page 2

• Manufacturer Part Number: 71M6534-IGT/F
• Description: IC ENERY METER 3PH 128K 120-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of 71M6534-IGT/F

• Mounting Style: SMD/SMT
• Package / Case: LQFP-120
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1
2
2
Hardware Description .................................................................................................................... 9
1.1
1.2
1.3
1.4
1.5
Functional Description ................................................................................................................ 55
2.1
2.2
2.3
Hardware Overview ............................................................................................................... 9
Analog Front End (AFE) ........................................................................................................ 9
Digital Computation Engine (CE) ....................................................................................... 14
80515 MPU Core .................................................................................................................. 19
On-Chip Resources ............................................................................................................. 37
Theory of Operation ............................................................................................................ 55
System Timing Summary.................................................................................................... 56
Battery Modes ..................................................................................................................... 57
1.2.1 Signal Input Pins ......................................................................................................... 9
1.2.2 Input Multiplexer ........................................................................................................ 10
1.2.3 A/D Converter (ADC) ................................................................................................. 11
1.2.4 FIR Filter ................................................................................................................... 11
1.2.5 Voltage References ................................................................................................... 12
1.2.6 Temperature Sensor.................................................................................................. 13
1.2.7 Battery Monitor .......................................................................................................... 13
1.2.8 AFE Functional Description ....................................................................................... 13
1.3.1 Meter Equations ........................................................................................................ 15
1.3.2 Real-Time Monitor ..................................................................................................... 16
1.3.3 Pulse Generators ...................................................................................................... 16
1.3.4 Data RAM (XRAM) .................................................................................................... 16
1.3.5 CE Functional Overview ............................................................................................ 17
1.3.6 Delay Compensation ................................................................................................. 18
1.4.1 Memory Organization and Addressing ....................................................................... 19
1.4.2 Special Function Registers (SFRs) ............................................................................ 21
1.4.3 Generic 80515 Special Function Registers ................................................................ 22
1.4.4 71M6533/71M6534-Specific Special Function Registers ............................................ 25
1.4.5 Instruction Set ........................................................................................................... 26
1.4.6 UARTs ...................................................................................................................... 26
1.4.7 Timers and Counters ................................................................................................. 29
1.4.8 WD Timer (Software Watchdog Timer) ...................................................................... 30
1.4.9 Interrupts ................................................................................................................... 30
1.5.1 Oscillator ................................................................................................................... 37
1.5.2 PLL and Internal Clocks............................................................................................. 37
1.5.3 Real-Time Clock (RTC) ............................................................................................. 38
1.5.4 Temperature Sensor.................................................................................................. 39
1.5.5 Physical Memory ....................................................................................................... 39
1.5.6 Optical Interface ........................................................................................................ 42
1.5.7 Digital I/O .................................................................................................................. 42
1.5.8 LCD Drivers .............................................................................................................. 46
1.5.9 Battery Monitor .......................................................................................................... 47
1.5.10 EEPROM Interface .................................................................................................... 47
1.5.11 SPI Slave Port ........................................................................................................... 50
1.5.12 Hardware Watchdog Timer ........................................................................................ 53
1.5.13 Test Ports (TMUXOUT Pin) ....................................................................................... 54
1.5.14 V2 Comparator (71M6534/6534H Only) ..................................................................... 54
2.3.1 BROWNOUT Mode ................................................................................................... 59
Table of Contents
Rev 2