NXP MC9S08QD4VSC, 8bit HCS08 Microcontroller, S08QD, 16MHz, 4 KB Flash, 8-Pin SOIC

The Microcontroller features an 8 bit HCS08 Central Processor Unit clocked at 16 MHz, boasting an HC08 instruction set supplemented with a BGND instruction. Equipped with a background debugging system, it enables in-circuit debugging with breakpoint capability, allowing for a single breakpoint setting during debugging sessions, supplemented by two additional breakpoints within the on-chip debug module.

Low voltage detection with reset or interrupt
Illegal opcode detection with reset
Illegal address detection with reset
Single wire background debug interface