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MSP430F67791, MSP430F67781, MSP430F67771, MSP430F67761, MSP430F67751
MSP430F67691, MSP430F67681, MSP430F67671, MSP430F67661, MSP430F67651
MSP430F67491, MSP430F67481, MSP430F67471, MSP430F67461, MSP430F67451
SLAS815D – NOVEMBER 2012 – REVISED SEPTEMBER 2018
MSP430F677x1, MSP430F676x1, MSP430F674x1 Polyphase Metering SoCs
1 Device Overview
1.1 Features
1
• Accuracy < 0.1% Over 2000:1 Dynamic Range for
Phase Current
• Meets or Exceeds ANSI C12.20 and IEC 62053
Standards
• Support for Multiple Sensors Such as Current
Transformers, Rogowski Coils, or Shunts
• Power Measurement for up to Three Phases Plus
Neutral
• Dedicated Pulse Output Pins for Active and
Reactive Energy for Calibration
• Four-Quadrant Measurement per Phase or
Cumulative
• Exact Phase Angle Measurements
• Digital Phase Correction for Current Transformers
• Temperature Compensated Energy Measurements
• 40-Hz to 70-Hz Line Frequency Range Using
Single Calibration
• Flexible Power Supply Options With Automatic
Switching
• Display Operates at Very Low Power During AC
Mains Failure: 3 µA in LPM3
• LCD Driver With Contrast Control for up to 320
Segments
• Password-Protected Real-Time Clock (RTC) With
Crystal Offset Calibration and Temperature
Compensation
• Integrated Security Modules to Support Anti-
Tamper
• Multiple Communication Interfaces for Smart Meter
Implementations
• High-Performance 25-MHz CPU With 32-Bit
Multiplier
1.2 Applications
• 3-Phase Electronic Watt-Hour Meters
• Utility Metering
• Wide Input Supply Voltage Range:
3.6 V Down to 1.8 V
• Ultra-Low Power Consumption During Energy
Measurement
– 2.9 mW at 10-MHz Operation (3 V)
• Multiple Low-Power Modes
– Standby Mode (LPM3): 2.1 µA at 3 V,
Wake up in Less Than 5 µs
– RTC Mode (LPM3.5): 0.34 µA at 3 V
– Shutdown Mode (LPM4.5): 0.18 µA at 3 V
• Up to 512KB of Single-Cycle Flash
• Up to 32KB of RAM With Single-Cycle Access
• Up to Seven Independent 24-Bit Sigma-Delta
ADCs With Differential Inputs and Variable Gain
• System 10-Bit 200-ksps ADC
– Six Channels Plus Supply and Temperature
Sensor Measurement
• Six Enhanced Communications Ports
– Configurable Among Four UART, Six SPI, and
Two I²C Interfaces
• Four 16-Bit Timers With Nine Total
Capture/Compare Registers
• 128-Pin LQFP (PEU) Package With 90 I/O Pins
• 100-Pin LQFP (PZ) Package With 62 I/O Pins
• Industrial Temperature Range of –40°C to 85°C
• 3-Phase Electronic Watt-Hour Meter Development
Tool (Also See Tools and Software)
– EVM430-F6779 With Application Note
– Energy Measurement Design Center for
MSP430™ MCUs
• Energy Monitoring
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
