What this MSP430G2855IDA38 is and where it fits
The Texas Instruments MSP430G2855IDA38 is a 16-bit microcontroller from the MSP430G2xx ultra-low-power family. It runs at 16 MHz with 48 KB of Flash program memory and 4K x 8 of RAM, giving it enough headroom for sensor fusion, motor-control loops, or protocol bridging in a single-chip design. The 38-pin TSSOP package keeps board area tight while still offering 32 general-purpose I/O lines and a 12-channel 10-bit ADC for analog inputs. Connectivity covers I²C, SPI, UART, LIN, and IrDA — enough to talk to most peripheral ICs and legacy fieldbuses without external transceivers for short-haul links.
Supply voltage and temperature — what they mean for your BOM
The supply range is 1.8 V to 3.6 V. The temperature grade is -40°C to 85°C.
16 MHz core — what it buys you
The core runs at 16 MHz with an internal oscillator.