Supply voltage and ADC — sizing the analog front end
The 12-bit ADC with 8 input channels covers multi-sensor acquisition without an external mux, but the reference is internal — budget for an external reference if absolute accuracy below ±2 LSB is needed across temperature.
Connectivity and peripherals for mixed-signal designs
Serial connectivity includes I²C, SPI, and UART — enough for most sensor hubs, display modules, and memory chips. The peripheral set adds a brown-out detect, POR, PWM, WDT, and DMA, which offloads the CPU during data transfers.
Package and footprint — 64-LQFP (10x10 mm)
Housed in a 64-LQFP package with a 10x10 mm body and 0.5 mm pitch, this is a hand-solderable, board-area-efficient footprint. The 48 I/O lines provide ample headroom for parallel buses or discrete control signals.
ROHS3 compliant.