msp430g2231.pdf
| FEATURES | |
| ?Low Supply-Voltage Range: 1.8 V to 3.6 V ?Ultra-Low Power Consumption ?Active Mode: 220 � at 1 MHz, 2.2 V ?Standby Mode: 0.5 � ?Off Mode (RAM Retention): 0.1 � ?Five Power-Saving Modes ?Ultra-Fast Wake-Up From Standby Mode in Less Than 1 � ?16-Bit RISC Architecture, 62.5-ns Instruction Cycle Time ?Basic Clock Module Configurations | ?16-Bit Timer_A With Two Capture/Compare Registers ?Universal Serial Interface (USI) Supporting SPI and I2C (See Table 1) ?Brownout Detector ?10-Bit 200-ksps A/D Converter With Internal Reference, Sample-and-Hold, and Autoscan (See Table 1) ?Serial Onboard Programming, No External Programming Voltage Needed, Programmable Code Protection by Security Fuse |
| ?Internal Frequencies up to 16 MHz With One Calibrated Frequency | ?On-Chip Emulation Logic With Spy-Bi-Wire Interface |
| ?Internal Very Low Power Low-Frequency (LF) Oscillator ?32-kHz Crystal ?External Digital Clock Source | ?For Family Members Details, See Table 1 ?Available in 14-Pin Plastic Small-Outline Thin Package (TSSOP) (PW), 14-Pin Plastic Dual Inline Package (PDIP) (N), and 16-Pin QFN Package (RSA) |
| ?For Complete Module Descriptions, See the MSP430x2xx Family User� Guide (SLAU144) |
DESCRIPTION
The Texas Instruments MSP430 family of ultra-low-power microcontrollers consists 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 portable measurement 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 MSP430G2x21/G2x31 series is an ultra-low-power mixed signal microcontroller with a built-in 16-bit timer
and ten I/O pins. The MSP430G2x31 family members have a 10-bit A/D converter and built-in communication
capability using synchronous protocols (SPI or I2C). For configuration details, see Table 1.
Typical applications include low-cost 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.
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