TI MSP430F6726IPNR

TI MSP series ultra-low-power microcontrollers come in a wide variety, with each member device equipped with different peripheral sets to meet the needs of various applications. This architecture, when used in conjunction with multiple low-power modes, is the optimal choice for extending the battery life of portable measurement applications. The device features a powerful 16-bit Reduced Instruction Set Computing (RISC) Central Processing Unit (CPU) that uses 16-bit registers and a constant generator for maximum coding efficiency. The Digitally Controlled Oscillator (DCO) can wake up from a low-power mode to an active mode in 3µs (typical).

MSP430F673x and MSP430F672x have up to three high-performance 24-bit Σ-Δ ADCs, one 10-bit ADC, four enhanced universal serial communication interfaces (three eUSCI_A modules and one eUSCI_B module), four 16-bit timers, one hardware multiplier, one DMA module, one RTC module with alarm function, one integrated LCD driver with integrated contrast control, and one auxiliary power supply system; the 100-pin device has up to 72 I/O pins, while the 80-pin device has up to 52 I/O pins.

• Low supply voltage range: 3.6V down to 1.8V
• Ultra-low power consumption
  • Active Mode (AM): All system clocks active at 8MHz, 3.0V with flash program execution: 265µA/MHz (typical); at 8MHz, 3.0V with RAM program execution: 140µA/MHz (typical)
  • Standby Mode (LPM3): Real-time clock (with crystal), watchdog, and power monitor active, full RAM retention, fast wake-up: 1.7µA at 3.0V, 2.5µA (typical) at 3.0V
  • Off Mode (LPM4): Full RAM retention, power monitor available, fast wake-up: 1.6µA (typical) at 3.0V
  • Shutdown RTC Mode (LPM3.5): Shutdown mode with active real-time clock (RTC) with crystal: 1.24µA (typical) at 3.0V
  • Shutdown Mode (LPM4.5): 0.78µA (typical) at 3.0V
• Wake-up from standby mode in 3µs (typical)
• 16-bit Reduced Instruction Set Computing (RISC) architecture, extended memory, up to 25MHz system clock
• Flexible power management system
  • Fully integrated Low Dropout Regulator (LDO) with configurable regulated core supply voltage
  • Power supply voltage monitoring, supervision, and temporary power limitation
  • System operation powered by up to two auxiliary power supplies
• Single clock system
  • Phase-Locked Loop (FLL) control loop for frequency stability
  • Low-power, low-frequency internal clock source (VLO)
  • Low-frequency trimmed internal reference source (REFO)
  • 32kHz crystal (XT1)
• One 16-bit timer with three capture/compare registers
• Three 16-bit timers, each with two capture/compare registers
• Enhanced Universal Serial Communication Interface
  • eUSCI_A0, eUSCI_A1, and eUSCI_A2
  • Enhanced Universal Asynchronous Receiver/Transmitter (UART) supporting automatic baud rate detection
  • IrDA encoding and decoding
  • Synchronous Serial Peripheral Interface (SPI)
  • eUSCI_B0
  • I2C supporting multiple slave device addressing
  • Synchronous Serial Peripheral Interface (SPI)
• Password-protected RTC with crystal offset calibration and temperature compensation
• Independent voltage supply for standby subsystem
  • 32kHz low-frequency oscillator (XT1)
  • Real-time clock
  • Standby memory (4×16 bits)
• Three 24-bit Σ-Δ Analog-to-Digital Converters (ADCs) with differential Programmable Gain Amplifier (PGA) inputs
• Integrated LCD driver with up to 320-segment contrast control in 8-channel multiplexed mode
• Hardware multiplier supporting 32-bit operations
• 10-bit 200ksps ADC
  • Internal reference
  • Sample and hold, auto-scan features
  • Up to six external channels and two internal channels, including temperature sensor
• 3-channel internal DMA
• Serial in-circuit programming without external programming voltage
• Single-phase electronic meter development tool (see also Tools and Software) EVM430-F6736 - MSP430F6736EVM for metering
  • Power measurement design center for MSP430™ MCUs
• Device comparison summarizes available product family members
• Available in 100-pin and 80-pin LQFP packages

• Two-wire single-phase metering
• Three-wire single-phase metering
• Tamper-proof meters