Texas Instruments MSP430G2xx series 16-bit MCU, MSP430 CPU16 core, 16 MHz, 2KB Flash, 256 x 8 RAM, 10 I/O, 8x10b ADC, I²C/SPI/USI, 1.8V-3.6V, -40°C to 85°C, 14-TSSOP.
| Parameter | Value |
|---|---|
| Series | MSP430G2xx |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 16MHz |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| RAM size | 256 x 8 |
| Core size | 16-Bit |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | I²C, SPI, USI |
| Number of i (O) | 10 |
| Core processor | MSP430 CPU16 |
| Case | 14-TSSOP (0.173\", 4.40mm Width) |
| Data converters | A/D 8x10b |
| Program memory size | 2KB (2K x 8) |
The Universal Serial Interface (USI) supports I²C and SPI, so the MCU can talk to external EEPROM, sensors, or displays without extra glue logic.
The MSP430G2xx series has broad toolchain and LaunchPad ecosystem support, so firmware development can start on a $10 eval board.
The MSP430G2xx series includes pin-compatible siblings with larger Flash and RAM (e.g., MSP430G2444) that can serve as a drop-in upgrade if firmware size grows. For a functionally different architecture, the TI C2000 F280041PZQR is a 32-bit C28x core running at 100 MHz with CAN and more ADC channels, but it is not pin-compatible and targets motor-control applications rather than ultra-low-power sensing.
Yes, the MSP430G2232IPW14R uses the same 14-pin DIP footprint as the LaunchPad's target socket, so you can prototype with the eval board and then migrate to the TSSOP package for production.