ADLINK ACL-8454/12 - Manual (Page 5)

Table of Concents • i
Table of Contents
Chapter 1 INTRODUCTION............................................. 1
1.1 Features...................................................................................3
1.2 Applications .............................................................................3
1.3 Specifications...........................................................................4
Chapter 2 INSTALLATION & CONFIGURATIONS......... 5
2.1 What You Have........................................................................5
2.2 Unpacking................................................................................6
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............................................................13
2.9 Clock Source Configurations .................................................16
2.10 Gate Control Configurations...............................................19
2.11 Counter Outputs .................................................................19
2.12 Interrupt System .................................................................20
2.13 Digital Input and Output......................................................21
2.14 Summary of Default Setting ...............................................22
2.15 Notes for Installing More 8254 Chips .................................23
Chapter 3 REGISTERS FORMAT ................................. 24
3.1 I/O Port Address ....................................................................24
3.2 Timer/Counter Registers .......................................................25
3.3 Chip Select Register..............................................................25
3.4 Digital Input Registers............................................................26
3.5 Digital Output Register ..........................................................26
3.6 Low-level Programming.........................................................27
Chapter 4 SIGNAL CONNECTIONS & APPLICATIONS
....................................................................................... 29
4.1 Connectors Pin Assignment ..................................................29
4.2 Daughter Board Connection ..................................................29
4.3 Digital I/O Connection............................................................30
4.4 Timer / Counter Connection ..................................................30
4.5 Frequency Generator.............................................................31