下载
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
MSP430F67791A
,
MSP430F67781A
,
MSP430F67771A
,
MSP430F67761A
,
MSP430F67751A
MSP430F67691A
,
MSP430F67681A
,
MSP430F67671A
,
MSP430F67661A
,
MSP430F67651A
MSP430F67491A, MSP430F67481A, MSP430F67471A, MSP430F67461A, MSP430F67451A
SLAS983 –MAY 2014
MSP430F677x1A, MSP430F676x1A, MSP430F674x1A Polyphase Metering SoCs
1 Device Overview
1.1 Features
1
3.6 V Down to 1.8 V
• Accuracy < 0.1% Over 2000:1 Dynamic Range for
Phase Current • Ultra-Low Power Consumption During Energy
Measurement
• Meets or Exceeds ANSI C12.20 and IEC 62053
Standards – 2.9 mW at 10-MHz Operation (3 V)
• Support for Multiple Sensors Such as Current • Multiple Low-Power Modes
Transformers, Rogowski Coils, or Shunts
– Standby Mode (LPM3): 2.1 µA at 3 V,
• Power Measurement for up to Three Phases Plus Wake Up in Less Than 5 µs
Neutral
– RTC Mode (LPM3.5): 0.34 µA at 3 V
• Dedicated Pulse Output Pins for Active and
– Shutdown Mode (LPM4.5): 0.18 µA at 3 V
Reactive Energy for Calibration
• Up to 512KB of Single-Cycle Flash
• Four-Quadrant Measurement per Phase or
• Up to 32KB of RAM With Single-Cycle Access
Cumulative
• Up to Seven Independent 24-Bit Sigma-Delta
• Exact Phase-Angle Measurements
ADCs With Differential Inputs and Variable Gain
• Digital Phase Correction for Current Transformers
• System 10-Bit 200-ksps ADC
• Temperature Compensated Energy Measurements
– Six Channels Plus Supply and Temperature
• 40-Hz to 70-Hz Line Frequency Range Using
Sensor Measurement
Single Calibration
• Six Enhanced Communications Ports
• Flexible Power Supply Options With Automatic
– Configurable Among Four UART, Six SPI, and
Switching
Two I²C Interfaces
• Display Operates at Very Low Power During AC
• Four 16-Bit Timers With Nine Total
Mains Failure: 3 µA in LPM3
Capture/Compare Registers
• LCD Driver With Contrast Control for up to 320
• 128-Pin LQFP (PEU) Package With 90 I/O Pins
Segments
• 100-Pin LQFP (PZ) Package With 62 I/O Pins
• Password-Protected Real-Time Clock With Crystal
• Industrial Temperature Range of –40°C to 85°C
Offset Calibration and Temperature Compensation
• Three-Phase Electronic Watt-Hour Meter
• Integrated Security Modules to Support Anti-
Development Tools
Tamper and Encryption
– EVM430-F6779A With SLAA577 Application
• Multiple Communication Interfaces for Smart Meter
Note
Implementations
– MSP430™ Energy Library
• High-Performance 25-MHz CPU With 32-Bit
• For Complete Module Descriptions, See the
Multiplier
MSP430x5xx and MSP430x6xx Family User's
• Wide Input Supply Voltage Range:
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.
页面指南
