Description:

VL82C032 I/O Controller

The VL82C032 provides the PS/2 Model 30-Compatible system with control of both the keyboard and the pointing device ("mouse"), control of two serial communi- cation channels, a real-time clock, as well as controlling both the disk storage and display functions. It also provides the chip select logic for the functions in controls. The VL82C032 is available from VLSI Technology, Inc. in an industry- standard plastic 100-pin flatpack.

The CMOS VL82C032 is the Input/Output Controller device in the two-chip VLSI PS/2 Model 30-compatible chip set.

• Controls Model 30-compatible system keyboard and mouse
• Integrates the following functions on a single device:
  • 8253-compatible timer/counter
  • Dual 8250-compatible serial communications controller
  • Bidirectional parallel port controller
  • 8259-compatible interrupt controller
  • 58167-compatible real-time clock
• Decodes subsystems for floppy disk, hard disk, and video
• Provides chip select logic for serial/parallel ports, disk controllers, and real time clock.