Texas Instruments MSP430G2xx series 16-bit MCU, MSP430G2353IRHB32T, 16 MHz, 4KB Flash, 256 x 8 RAM, 24 I/O, I²C/SPI/UART, A/D 8x10b, 1.8V~3.6V, -40°C~85°C, 32-VQFN (5x5 mm).
| 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, IrDA, LINbus, SCI, SPI, UART/USART |
| Number of i (O) | 24 |
| Core processor | MSP430 CPU16 |
| Case | 32-VFQFN Exposed Pad |
| Data converters | A/D 8x10b |
| Program memory size | 4KB (4K x 8) |
The 24 general-purpose I/O lines and integrated peripherals (brown-out detect, DMA, PWM, watchdog) cover most board-level glue tasks without external logic.
For dual-sourcing resilience, the MSP430G2xx family includes pin-compatible Flash-density variants (e.g., 2KB to 8KB) sharing the same 32-VQFN footprint. A firmware recompile is all that is needed to shift between them — no board spin.
Within the MSP430G2xx family, pin-compatible Flash-density variants (e.g., 2KB or 8KB parts in the same 32-VQFN package) serve as drop-in alternatives. Firmware must be recompiled for the different memory size, but the board layout stays unchanged.
It uses a 16-bit MSP430 CPU16 core, designed for ultra-low-power operation with a RISC instruction set and integrated peripherals like DMA, PWM, and a watchdog timer.
The I/O pins are 3.3 V tolerant when the supply is at 3.3 V, so it interfaces cleanly with common 3.3 V peripherals.