The 8000303XA is an integrated circuit from E2v. This chip is part of the ZILOG Z80AH family and offers advanced performance with minimal power consumption. The chip integrates four high-performance, 8-bit Z80AH CPUs for a total of 32-bits of addressing and processing power. It also includes DMA controllers, system timer, and interrupt controller for enhanced system integrations. The ZILOG Z80AH family incorporates advances in microcontroller technology, providing ultra-fast, low-power operation, with feature-rich I/O capabilities. The on-chip peripherals offer a wide range of operations, from basic timer and serial port operations to sophisticated data and event control applications. Additionally, the chip features an internal oscillator and watchdog timer, making it an excellent choice for a variety of embedded applications.