AVR/Atmel

Training and prototyping board for selected 40-pin 8051/C51 devices, including the listed STC89, STC12, AT89C and AT89S variants. Programmer requirements vary by MCU: some compatible STC devices support serial downloading, while AT89S and selected AVR devices require a suitable ISP programmer and adapter. Confirm the exact chip, socket, voltage and programming method before connecting power.