illustrate

Texas Instruments' MSP430 ultra-low-power microcontroller family includes multiple devices with peripheral sets for a variety of different applications. The architecture, combined with five low-power modes, is optimized to extend battery life in portable measurement applications. The device has a powerful 16-bit RISC CPU, 16-bit registers, and contributes to maximum code efficiency constantly. A digitally controlled oscillator (DCO) allows wake-up from a low-power mode in less than 6μs active mode.

The MSP430FE42x features three independent 16-bit sigma-delta analog-to-digital (A/D) converters and an embedded signal processor core to measure and calculate two 2- and 3-wire single-phase power configurations.

characteristic

• The low supply voltage ranges from 2.7 V to 3.6 V
• Ultra-low power consumption:
  • Active mode: 400 μA at 1 MHz, 3.0 V
  • Standby mode: 1.6 μA
  • Off mode (RAM hold): 0.1 μA
• There are 5 power saving modes
• Wake-up in standby mode in less than 6 microseconds
• Frequency phase-locked loop, frequency-locked loop+
• 16-bit RISC structure, 125 ns instruction cycle time
• Embedded single-phase energy metering signal processing
  With integrated analog front end and temperature sensor (ESP430CE1)
• 16-bit, 3-way capture Timer_A/compare registers
• 128-segment integrated LCD driver
• Serial Communication Interface (USART), asynchronous UART
  or software-selectable synchronous SPI
• Power-down detector
• Supply voltage monitor/monitor programmable level detection
• On-board serial programming, no external programming voltage required,
  Programmable safety fuse code protection
• The boot loader is on the flash device
• Family members include:
  • MSP430FE423：
    8KB + 256B flash memory,
    256B of RAM
  • MSP430FE425：
    16KB flash memory + 256B,
    512B of RAM