Features

• Low Supply Voltage Range 1.8 V to 3.6 V
• Ultralow-Power Consumption
  • Active Mode: 270 µA at 1 MHz, 2.2 V
  • Standby Mode: 0.7 µA
  • Off Mode (RAM Retention): 0.1 µA
• Ultrafast Wake-Up From Standby Mode in Less Than 1 µs
• 16-Bit RISC Architecture, 62.5 ns Instruction Cycle Time
• Basic Clock Module Configurations:
  • Internal Frequencies up to 16MHz With Four Calibrated Frequencies to ±1%
  • Internal Very Low Power LF Oscillator
  • 32-kHz Crystal
  • High-Frequency Crystal up to 16 MHz
  • Resonator
  • External Digital Clock Source
  • External resistor
• 16-Bit Timer_A With Three Capture/Compare Registers
• 16-Bit Timer_B With Three Capture/Compare Registers
• Universal Serial Communication Interface
  • Enhanced UART supporting Auto-Baudrate Detection (LIN)
  • IrDA Encoder and Decoder
  • Synchronous SPI
  • I2C™
• 10-Bit, 200-ksps A/D Converter With Internal Reference, Sample-and-Hold, Autoscan, and Data Transfer Controller
• Two Configurable Operational Amplifiers (MSP430x22x4 only)
• Brownout Detector
• Serial Onboard Programming, No External Programming Voltage Needed Programmable Code Protection by Security Fuse
• Bootstrap Loader
• On Chip Emulation Module
• Family Members Include:
  MSP430F2232: 8KB + 256B Flash Memory
  512B RAM
  MSP430F2252: 16KB + 256B Flash Memory
  512B RAM
  MSP430F2272: 32KB + 256B Flash Memory
  1KB RAM
  MSP430F2234: 8KB + 256B Flash Memory
  512B RAM
  MSP430F2254: 16KB + 256B Flash Memory
  512B RAM
  MSP430F2274: 32KB + 256B Flash Memory
  1KB RAM
  Available in a 38-Pin Plastic Small-Outline Thin (TSSOP) Package and 40-Pin QFN Package
• For Complete Module Descriptions, Refer to the MSP430x2xx Family User’s Guide

Description

The Texas Instruments MSP430 family of ultralow-power microcontrollers consist of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes is optimized to achieve extended battery life in portablemeasurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency.The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 1 µs.

The MSP430x22xx series is an ultralow-power mixed signal microcontroller with two built-in 16-bit timers, a universal serial communication interface, 10-bit A/D converter with integrated reference and data transfer controller (DTC), two general purpose operational amplifiers in the MSP430x22x4 devices, and 32 I/O pins.

Typical applications include sensor systems that capture analog signals, convert them to digital values, and then process the data for display or for transmission to a host system. Stand alone RF sensor front end is another area of application.