MSP430F6779A Datasheet, PDF (1/176 Pages) Texas Instruments – Polyphase Metering SoCs

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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
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 With Crystal
Offset Calibration and Temperature Compensation
• Integrated Security Modules to Support Anti-
Tamper and Encryption
• Multiple Communication Interfaces for Smart Meter
Implementations
• High-Performance 25-MHz CPU With 32-Bit
Multiplier
• Wide Input Supply Voltage Range:
3.6 V Down to 1.8 V
1.2 Applications
• Three-Phase Electronic Watt-Hour Meters
• Utility Metering
• 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
• Integrated Hardware AES-128 Module for
Encryption
• 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
• Three-Phase Electronic Watt-Hour Meter
Development Tools
– EVM430-F6779A With SLAA577 Application
Note
– MSP430™ Energy Library
• For Complete Module Descriptions, See the
MSP430x5xx and MSP430x6xx Family User's
Guide (SLAU208)
• 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.