71M6531F-IM/F Maxim Integrated Products, 71M6531F-IM/F Datasheet - Page 2

• Manufacturer Part Number: 71M6531F-IM/F
• Description: IC ENERGY METER 256KB 68-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 71M6531F-IM/F

• Mounting Style: SMD/SMT
• Package / Case: QFN-68
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Sheet 71M6531D/F-71M6532D/F
1
2
Hardware Description ....................................................................................................................... 10
1.1
1.2
1.3
1.4
Hardware Overview ................................................................................................................... 10
Analog Front End (AFE) ............................................................................................................. 10
80515 MPU Core ....................................................................................................................... 19
On-Chip Resources ................................................................................................................... 36
1.2.1 Signal Input Pins ............................................................................................................ 10
1.2.2 Input Multiplexer ............................................................................................................ 11
1.2.3 A/D Converter (ADC) ..................................................................................................... 12
1.2.4 FIR Filter ........................................................................................................................ 12
1.2.5 Voltage References ....................................................................................................... 12
1.2.6 Temperature Sensor ...................................................................................................... 14
1.2.7 Battery Monitor............................................................................................................... 14
1.2.8 AFE Functional Description ........................................................................................... 14
1.2.9 Digital Computation Engine (CE) ................................................................................... 15
1.2.10 Meter Equations ............................................................................................................. 16
1.2.11 Real-Time Monitor ......................................................................................................... 16
1.2.12 Pulse Generators ........................................................................................................... 16
1.2.13 Data RAM (XRAM) ........................................................................................................ 17
1.2.14 Delay Compensation ..................................................................................................... 17
1.2.15 CE Functional Overview ................................................................................................ 17
1.3.1 Memory Organization and Addressing .......................................................................... 19
1.3.2 Special Function Registers (SFRs) ............................................................................... 21
1.3.3 Generic 80515 Special Function Registers ................................................................... 22
1.3.4 Special Function Registers (SFRs) Specific to the 71M6531D/F and 71M6532D/F ..... 24
1.3.5 Instruction Set ................................................................................................................ 26
1.3.6 UARTs ........................................................................................................................... 26
1.3.7 Timers and Counters ..................................................................................................... 28
1.3.8 WD Timer (Software Watchdog Timer) ......................................................................... 30
1.3.9 Interrupts ........................................................................................................................ 30
1.4.1 Oscillator ........................................................................................................................ 36
1.4.2 Internal Clocks ............................................................................................................... 36
1.4.3 Real-Time Clock (RTC) ................................................................................................. 37
1.4.4 Temperature Sensor ...................................................................................................... 38
1.4.5 Physical Memory............................................................................................................ 38
1.4.6 Optical Interface ............................................................................................................. 40
1.4.7 Digital I/O – 71M6531D/F .............................................................................................. 41
1.4.8 Digital I/O – 71M6532D/F .............................................................................................. 43
1.4.9 Digital IO – Common Characteristics for 71M6531D/F and 71M6532D/F .................... 44
1.4.10 LCD Drivers – 71M6531D/F .......................................................................................... 45
1.4.11 LCD Drivers – 71M6532D/F .......................................................................................... 46
1.4.12 LCD Drivers – Common Characteristics for 71M6531D/F and 71M6532D/F ............... 46
1.4.13 Battery Monitor............................................................................................................... 46
1.4.14 EEPROM Interface ........................................................................................................ 46
1.4.15 SPI Slave Port................................................................................................................ 49
1.4.16 Hardware Watchdog Timer ............................................................................................ 52
1.4.17 Test Ports (TMUXOUT pin) ........................................................................................... 53
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FDS 6531/6532 005
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