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MSP430F6779A
,
MSP430F6778A
,
MSP430F6777A
,
MSP430F6776A
,
MSP430F6775A
MSP430F6769A
,
MSP430F6768A
,
MSP430F6767A
,
MSP430F6766A
,
MSP430F6765A
MSP430F6749A, MSP430F6748A, MSP430F6747A, MSP430F6746A, MSP430F6745A
SLAS982 –MAY 2014
MSP430F677xA, MSP430F676xA, MSP430F674xA Polyphase Metering SoCs
1 Device Overview
1.1 Features
1
• Accuracy < 0.1% Over 2000:1 Dynamic Range for • Ultra-Low Power Consumption During Energy
Phase Current Measurement
• Meets or Exceeds ANSI C12.20 and IEC 62053 – 2.9 mW at 10-MHz Operation (3 V)
Standards
• Multiple Low-Power Modes
• Support for Multiple Sensors Such as Current
– Standby Mode (LPM3): 2.1 µA at 3 V,
Transformers, Rogowski Coils, or Shunts
Wake Up in Less Than 5 µs
• Power Measurement for up to Three Phases Plus
– RTC Mode (LPM3.5): 0.34 µA at 3 V
Neutral
– Shutdown Mode (LPM4.5): 0.18 µA at 3 V
• Dedicated Pulse Output Pins for Active and
• Up to 512KB of Single-Cycle Flash
Reactive Energy for Calibration
• Up to 32KB of RAM With Single-Cycle Access
• Four-Quadrant Measurement per Phase or
• Up to Seven Independent 24-Bit Sigma-Delta
Cumulative
ADCs With Differential Inputs and Variable Gain
• Exact Phase-Angle Measurements
• System 10-Bit 200-ksps ADC
• Digital Phase Correction for Current Transformers
– Six Channels Plus Supply and Temperature
• Temperature Compensated Energy Measurements
Sensor Measurement
• 40-Hz to 70-Hz Line Frequency Range Using
• Integrated Hardware AES-128 Module for
Single Calibration
Encryption
• Flexible Power Supply Options With Automatic
• Six Enhanced Communications Ports
Switching
– Configurable Among Four UART, Six SPI, and
• Display Operates at Very Low Power During AC
Two I²C Interfaces
Mains Failure: 3 µA in LPM3
• Four 16-Bit Timers With Nine Total
• LCD Driver With Contrast Control for up to 320
Capture/Compare Registers
Segments
• 128-Pin LQFP (PEU) Package With 90 I/O Pins
• Password-Protected Real-Time Clock With Crystal
• 100-Pin LQFP (PZ) Package With 62 I/O Pins
Offset Calibration and Temperature Compensation
• Industrial Temperature Range of –40°C to 85°C
• Integrated Security Modules to Support Anti-
• Three-Phase Electronic Watt-Hour Meter
Tamper and Encryption
Development Tools
• Multiple Communication Interfaces for Smart Meter
– EVM430-F6779A With SLAA577 Application
Implementations
Note
• High-Performance 25-MHz CPU With 32-Bit
– MSP430™ Energy Library
Multiplier
• For Complete Module Descriptions, See the
• Wide Input Supply Voltage Range:
MSP430x5xx and MSP430x6xx Family User's
3.6 V Down to 1.8 V
Guide (SLAU208)
1.2 Applications
• Three-Phase Electronic Watt-Hour Meters • Energy Monitoring
• Utility Metering
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.
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