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HD68230

Hitachi Semiconductor
Part Number HD68230
Manufacturer Hitachi Semiconductor
Description Parallel Interface Timer
Published Jun 26, 2018
Detailed Description HD68230---------------- PitT (Parallel Interface Timer) The HD68230 Parallel Interface/Timer provides versatile double ...
Datasheet PDF File HD68230 PDF File

HD68230
HD68230

Overview
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 direction register determines whether the port pins are inputs or outputs.
In the bidirectional modes the data direction registers are ignored and the direction is determined dynamically by the state of four handshake pins.
These programmable handshake pins provide an interface flexible enough for connection to a wide variety of low, medium, ...


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