The E2v 8000305QA is a 16-bit CMOS microcontroller made by ZILOG, Inc. It is a varying voltage range device that operates at frequencies up to 33 Mhz and features an 8-bit 8051-compatible CPU core, a 12-bit A/D converter, and one 16-bit timer/Counter. The 8000305QA has a wide variety of on-chip peripherals, including a Programmable Serial UART, an enhanced serial peripheral interface, a power-down logic module, and an on-chip reset generation block. This microcontroller also features 32K bytes of program memory, 4K bytes of data memory, and 63 programmable I/O pins. Additionally, the E2v 8000305QA is available in various packages, including DIP, PLCC, and QFP.