What this 16-bit MSP430 does on a board
It is part of the MSP430G2xx value line, aimed at low-power sensor interfaces, battery-monitoring nodes, and simple control loops where every microamp matters.
16 MHz core and 4 KB Flash — sizing the firmware envelope
At 16 MHz the CPU16 pipeline delivers around 16 MIPS, enough for polling a few I²C or SPI sensors, updating a PWM duty cycle, or running a simple state machine. The 4 KB Flash is the hard limit for compiled code — expect to fit a bootloader, a serial protocol stack, and a modest control loop, but not a full RTOS or complex math library. The 256-byte SRAM constrains stack depth and buffering; a single 128-byte UART FIFO would eat half of it, so plan for register-level data handling rather than large packet queues.
Serial interfaces and peripherals for mixed-signal control
The DMA controller can move data between peripherals and memory without CPU intervention, useful for streaming ADC samples or servicing a UART while the core sleeps. PWM and WDT round out the timer set for motor or LED dimming applications.
We source it against an RFQ, confirming availability and current pricing at quote time.