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The Texas Instruments MSP430 family of ultra-low-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 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 MSP430G2x52 and MSP430G2x12 series of microcontrollers are ultra-low-power mixed signal microcontrollers with built-in 16-bit timers, and up to 16 I/O capacitive-touch enabled pins and built-in communication capability using the universal serial communication interface and have a versatile analog comparator. The MSP430G2x52 series have a 10-bit A/D converter. For configuration details see . 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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| Frequency (MHz) |
| Flash (KB) |
| GPIO |
| Timers - 16-bit |
| Watchdog |
| Brown Out Reset |
| USI: (I2C/SPI) |
| Comparators |
| Temp Sensor |
| ADC |
| ADC Channels |
| Pin/Package |
| Approx. Price (US$) |
| BSL |
| MSP430G2112 | MSP430G2152 | MSP430G2212 | MSP430G2252 | MSP430G2312 | MSP430G2352 | MSP430G2412 | MSP430G2452 |
|---|---|---|---|---|---|---|---|
| 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| 1 | 1 | 2 | 2 | 4 | 4 | 8 | 8 |
| 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Yes | Yes | Yes | Yes | ||||
| 10-bit SAR | 10-bit SAR | 10-bit SAR | 10-bit SAR | ||||
| 8 | 8 | 8 | 8 | 8 | |||
| 14TSSOP 16QFN 20PDIP 20TSSOP | 14TSSOP 20PDIP 16QFN 20TSSOP | 14TSSOP 16QFN 20PDIP 20TSSOP | 14TSSOP 20PDIP 16QFN 20TSSOP | 14TSSOP 16QFN 20PDIP 20TSSOP | 14TSSOP 20PDIP 20TSSOP 16QFN | 14TSSOP 16QFN 20PDIP 20TSSOP | 14TSSOP 16QFN 20PDIP 20TSSOP |
| 0.49 | 1ku | 0.55 | 1ku | 0.55 | 1ku | 0.60 | 1ku | 0.60 | 1ku | 0.65 | 1ku | 0.65 | 1ku | 0.70 | 1ku |
| None | None | None | None | None | None | None | None |
| Sample & Buy | Sample & Buy | Sample & Buy | Sample & Buy | Sample & Buy | Sample & Buy | Sample & Buy | Sample & Buy |