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a VHDL 8254 Timer :: Overview

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Details

Name: a_vhdl_8253_timer
Created: Aug 3, 2008
Updated: May 14, 2013
SVN Updated: Mar 10, 2009
SVN: Browse
Latest version: download
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Other project properties

Category: Other
Language: VHDL
Development status: Stable
Additional info: Design done
WishBone compliant: No
WishBone version: n/a
License:

Description

a VHDL version of the Intel 8254 timer.

Note: uses a synchronous (Wishbone) processor interface, rather than an asynchronous of the Intel 8254.

Design assumes asynchronous interface/counter clocks – includes Boolean generics (for each counter) if the same clock is used for interface and counter, or if the clocks are synchronous (different frequency, but with aligned rising edges)

Features

Uses parts from the gh_vhdl_library project

Status

added version with AMBA APB interface 16 Aug 2008

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