BUY 90C020F001 https://www.utsource.net/itm/p/1290597.html

Description: The 90C020F001 is a QFP-80 microcontroller manufactured by Casio. Features: 8-bit CPU core 4K bytes of ROM 256 bytes of RAM 16-bit timer/counter 8-bit A/D converter Serial I/O Interrupt controller Application: The 90C020F001 is suitable for use in consumer electronics, such as calculators, digital cameras, and portable audio players. (For reference only)