Sunday, August 5, 2012

Texas Instruments MSP430G2x31 MSP430G2x21 pdf datasheet download




• Low Supply-Voltage Range: 1.8 V to 3.6 V • 16-Bit Timer_A With Two Capture/Compare
• Ultra-Low Power Consumption Registers
– Active Mode: 220 μA at 1 MHz, 2.2 V • Universal Serial Interface (USI) Supporting SPI
– Standby Mode: 0.5 μA and I2C (See Table 1)
– Off Mode (RAM Retention): 0.1 μA • Brownout Detector
• Five Power-Saving Modes • 10-Bit 200-ksps A/D Converter With Internal
Reference, Sample-and-Hold, and Autoscan
• Ultra-Fast Wake-Up From Standby Mode in (See Table 1)
Less Than 1 μs
• Serial Onboard Programming,
• 16-Bit RISC Architecture, 62.5-ns Instruction No External Programming Voltage Needed,
Cycle Time Programmable Code Protection by Security
• Basic Clock Module Configurations Fuse
– Internal Frequencies up to 16 MHz With • On-Chip Emulation Logic With Spy-Bi-Wire
One Calibrated Frequency Interface
– Internal Very Low Power Low-Frequency • For Family Members Details, See Table 1
(LF) Oscillator • Available in 14-Pin Plastic Small-Outline Thin
– 32-kHz Crystal Package (TSSOP) (PW), 14-Pin Plastic Dual
– External Digital Clock Source Inline Package (PDIP) (N), and 16-Pin QFN
Package (RSA)
• For Complete Module Descriptions, See the
MSP430x2xx Family User’s Guide (SLAU144)


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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