71M6531D_10 Datasheet, PDF(2/120 Page) Teridian Semiconductor Corporation

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

71M6531D_10 Datasheet, PDF (2/120 Pages) Teridian Semiconductor Corporation – Energy Meter IC

◁

Data Sheet 71M6531D/F-71M6532D/F

FDS 6531/6532 005

Table of Contents

1 Hardware Description....................................................................................................................... 10

1.1 Hardware Overview ................................................................................................................... 10

1.2 Analog Front End (AFE)............................................................................................................. 10

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 80515 MPU Core ....................................................................................................................... 19

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 On-Chip Resources ................................................................................................................... 36

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 â 71M6531D/F .............................................................................................. 41

1.4.8 Digital I/O â 71M6532D/F .............................................................................................. 43

1.4.9 Digital IO â Common Characteristics for 71M6531D/F and 71M6532D/F .................... 44

1.4.10 LCD Drivers â 71M6531D/F .......................................................................................... 45

1.4.11 LCD Drivers â 71M6532D/F .......................................................................................... 46

1.4.12 LCD Drivers â 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

v1.3

▷