BUY Z8F3221PM020SG https://www.utsource.net/itm/p/8911569.html
IC MCU 8BIT 32KB FLASH 40DIP
Description: 8-bit Microcontroller with Flash Memory Features: 8-bit Z8F3221 Core Up to 20MHz Clock Rate Up to 8K Bytes of On-Chip Flash Memory Up to 256 Bytes of On-Chip RAM Up to 32 I/O Pins Up to 16 External Interrupts Up to 4 Timers Up to 2 Serial Channels On-Chip Oscillator Low Power Consumption Single-Supply Operation 40-pin DIP Package Application: Automotive Industrial Control Home Appliances Security Systems Automated Test Equipment Medical Devices Consumer Electronics (For reference only)