Description:

ACC3000 I/O controller

The ACC 3000 is a VLSI device that emulates the I/O Support Gate Array of the IBM PS/2 Model 30. This chip is designed to help system designers build a Model 30 compatible machine at a lower cost with a faster design cycle.

• 100% lBM Model 30 I/O support gate array pin-to-pin compatible
• Controls the following chip select signals:
  • Serial port
  • Diskette controller
  • Video controller
  • Parallel port
  • Fixed disk controller
  • Real-time clock
• NMI control logic
• Peripheral sense logic and control
• Built-in Model 30 keyboard and pointing device interface
• Supports up to 8 channel interrupts with sharing capability
• Provides parallel port control signals
• Decoder & Data Bus controller
• 1.5 micron high performance CMOS technology
• 84-L PLCC package