Timing Connections...................................................................................................... 4-13
Power Connections ....................................................................................................... 4-14
Chapter 5
Request Timing .............................................................................................. 5-2
Trigger Timing ............................................................................................... 5-3
Handshake Timing ........................................................................................................ 5-4
8255 Emulation .............................................................................................. 5-4
Burst Mode ..................................................................................................... 5-27
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Internal Requests.............................................................................. 5-2
External Requests............................................................................. 5-2
Input ................................................................................................. 5-5
Output............................................................................................... 5-6
Level-ACK Mode ............................................................................ 5-9
Input................................................................................... 5-9
Output ................................................................................ 5-10
Leading-Edge Mode......................................................................... 5-14
Input................................................................................... 5-14
Output ................................................................................ 5-14
Long-Pulse Mode............................................................................. 5-19
Trailing-Edge Mode......................................................................... 5-23
Input................................................................................... 5-23
Output ................................................................................ 5-23
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Table of Contents
DIO 6533 User Manual