71M6543G Maxim, 71M6543G Datasheet - Page 2

• 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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Introduction ................................................................................................................................. 10
Hardware Description .................................................................................................................. 11
2.1
2.2
2.3
2.4
2.5
Functional Description ................................................................................................................ 75
Hardware Overview............................................................................................................... 11
Analog Front-End (AFE) ........................................................................................................ 12
Digital Computation Engine (CE) ........................................................................................... 25
80515 MPU Core .................................................................................................................. 30
On-Chip Resources............................................................................................................... 47
2.2.1 Signal Input Pins ....................................................................................................... 13
2.2.2 Input Multiplexer ........................................................................................................ 14
2.2.3 Delay Compensation ................................................................................................. 19
2.2.4 ADC Pre-Amplifier ..................................................................................................... 20
2.2.5 A/D Converter (ADC) ................................................................................................. 20
2.2.6 FIR Filter ................................................................................................................... 20
2.2.7 Voltage References ................................................................................................... 20
2.2.8 71M6xx3 Isolated Sensor Interface ............................................................................ 22
2.3.1 CE Program Memory ................................................................................................. 25
2.3.2 CE Data Memory ....................................................................................................... 25
2.3.3 CE Communication with the MPU .............................................................................. 25
2.3.4 Meter Equations ........................................................................................................ 26
2.3.5 Real-Time Monitor (RTM) .......................................................................................... 26
2.3.6 Pulse Generators ...................................................................................................... 26
2.3.7 CE Functional Overview ............................................................................................ 28
2.4.1 Memory Organization and Addressing ....................................................................... 30
2.4.2 Special Function Registers (SFRs) ............................................................................ 32
2.4.3 Generic 80515 Special Function Registers ................................................................ 33
2.4.4 Instruction Set ........................................................................................................... 35
2.4.5 80515 Power Reduction Modes ................................................................................. 35
2.4.6 UARTs ...................................................................................................................... 36
2.4.7 Timers and Counters ................................................................................................. 38
2.4.8 WD Timer (Software Watchdog Timer) ...................................................................... 40
2.4.9 Interrupts ................................................................................................................... 40
2.5.1 Physical Memory ....................................................................................................... 47
2.5.2 Oscillator ................................................................................................................... 49
2.5.3 PLL and Internal Clocks............................................................................................. 50
2.5.4 Real-Time Clock (RTC) ............................................................................................. 51
2.5.5 71M6543 Temperature Sensor .................................................................................. 55
2.5.6 71M6xx3 Temperature Sensor .................................................................................. 56
2.5.7 71M6543 Battery Monitor .......................................................................................... 57
2.5.8 71M6xx3 VCC Monitor .............................................................................................. 57
2.5.9 UART and Optical Interface ....................................................................................... 57
2.5.10 Digital I/O and LCD Segment Drivers ......................................................................... 58
2.5.11 EEPROM Interface .................................................................................................... 66
2.5.12 SPI Slave Port ........................................................................................................... 68
2.5.13 Hardware Watchdog Timer ........................................................................................ 72
2.5.14 Test Ports (TMUXOUT and TMUX2OUT Pins)........................................................... 73
© 2008–2011 Teridian Semiconductor Corporation
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