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S Y N T H E Z I A B L E I/O Port C O R E

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www.OpenCores.Org - May 2004 This core adheres to the GNU public license

VHDL model of the MC6821 Peripheral Interface Adapter

File name :

pia6821.vhd

Purpose :

Implements 2 x 8 bit parallel I/O ports
with programmable data direction registers

Dependencies :

ieee.Std_Logic_1164
ieee.std_logic_unsigned

Author :

John E. Kent