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List the operation modes of 8255

  Shared By: Callum Evans    Date: Nov 20    Category: Assembly Language    Views: 2601

Answer:

a) I.O Mode

i. Mode 0-Simple Input/Output.
ii. Mode 1-Strobed Input/Output (Handshake mode)
iii. Mode 2-Strobed bidirectional mode

b) Bit Set/Reset Mode.

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