HD68230 - Hitachi Semiconductor

HD68230 Parallel Interface Timer

HD68230---------------- PitT (Parallel Interface Timer) The HD68230 Parallel Interface/Timer provides versatile double buffered parallel interfaces and an operating system oriented timer to HD68000 systems. The parallel interfaces operate in unidirectional or bidirectional modes, either 8 or 16 bits wide. In the unidirectional modes, an associated data dire.

Features

• HD68000 Bus Compatible
• Port Modes Include: Bit I/O Unidirectional 8-Bit and 16-Bit Bidirectional 8-Bit and 16-Bit
• Selectable Handshaking Options
• 24-Bit Programmable Timer
• Software Programmable Timer Modes
• Contains Interrupt Vector Generation Logic
• Separate Port and Timer Interrupt Service Requests
• Registers are ReadIWrite and Directly Addressable
• Registers are Addressed for MOVEP (Move Peripheral) and DMAC Compatibility
• TYPE OF PRODUCTS Type No. HD68230P-8 HD68230P-l0 Bus Timing 8 MHz 10 MHz -PRELIMINARY- HD68230P8 HD68230Pl0 (DP-48)
• PIN ARRANGMENT Os , 06 2 07 3 PA.