BUY 391077-01 https://www.utsource.net/itm/p/1391576.html

Description: The 391077-01 is a PLCC-52 chip from CSG/AMIGA. It is a custom chip designed for the Amiga 500 and Amiga 2000 computers. Features: * 32-bit data bus * 24-bit address bus * On-chip RAM * Two-level interrupt controller * Direct Memory Access (DMA) controller * Serial port * Parallel port * Timer Application: The 391077-01 is used in the Amiga 500 and Amiga 2000 computers. It is used to control the system's memory, I/O, and interrupts. It also provides a serial port and parallel port for connecting peripherals. (For reference only)