ADLINK Technology NuDAQ ACL-8454, Руководство пользователя

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Contents
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Contents
Contents......................................................................i
How to Use This Guide .............................................iii
Chapter 1 Introduction .............................................1
1.1 Features.............................................................................. 3
1.2 Applications........................................................................ 3
1.3 Specifications..................................................................... 4
Chapter 2 Installation ...............................................5
2.1 What You Have ................................................................... 5
2.2 Unpacking........................................................................... 5
2.3 PCB Layout of ACL-8454 ..................................................... 6
2.4 Default Configurations........................................................ 7
2.5 Base Address Setting.......................................................... 8
2.6 Pin Assignment of Connector............................................ 10
2.7 Clock System .................................................................... 11
2.8 Counters Architecture ....................................................... 12
2.9 Clock Source Configurations ............................................ 17
2.10 Gate Control Configurations ............................................. 19
2.11 Counter Outputs................................................................ 20
2.12 DuaI Interrupt System ....................................................... 21
2.13 Digital Input and Output.................................................... 23
2.14 Summary of Default Setting.............................................. 24
2.15 Notes for Installing More 8254 Chips................................. 24
2.16 Daughter Board Connection ............................................. 25
Chapter 3 Registers Format ...................................26
3.1 I/O Port Address................................................................ 26
3.2 Timer/Counter Registers................................................... 27
3.3 Chip Select Register......................................................... 27