MSP430F67621A Datasheet | Texas Instruments

Overview 1.1 Features - Accuracy <0.5% Over 2000:1 Dynamic Range for Phase Current - Meets or Exceeds ANSI C12.20 and IEC 63053 Standards - Support for Multiple Sensors Such as Current Transformers, Rogowski Coils, or Shunts - Power Measurement for up to Three Phases - Four-Quadrant Measurement per Phase or Cumulative - Exact Phase-Angle Measurements - Digital Phase Correction for Current Transformers - 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 - Real-Time Clock (RTC) Module Operating from Dedicated Power Supply (AUXVCC3) Offering Integrated Offset and Temperature Calibration Features - Multiple munication Interfaces for Smart Meter Implementations - High-Performance 25-MHz CPU With 32-Bit Multiplier - Up to 128KB of Flash With Single-Cycle Execution - Up to 8KB of RAM With Single-Cycle Access 1.2 Applications - Three-Phase Electronic Watt-Hour Meters - Utility Metering - Up to Three Independent 24-Bit Sigma-Delta Analog-to-Digital Converters (ADCs) With Differential Inputs and Variable Gain - System ADC: 10-Bit 200-ksps 6-Channel Plus Temperature Sensor and Supply Measurement - Wide Input Supply-Voltage Range: 1.8 V to 3.6 V - Ultra-Low Power Consumption During Energy Measurement - 3.0 m W at 10-MHz Operation (3.0 V) - Multiple Low-Power Modes - Standby Mode (LPM3): 2.5 µA at 3 V, Wake up in 3 µs (Typical) - RTC Mode (LPM3.5): 1.24 µA at 3 V (Typical) - Shutdown Mode (LPM4.5): 0.78 µA at 3 V (Typical) - LCD Driver With Contrast Control for up to 320 Segments - Password-Protected RTC With Crystal Offset Calibration and Temperature pensation - Four munications Ports - Configurable Among Four UART, Three SPI, and One I2C Interfaces - Four 16-Bit Timers With Nine Capture/pare...