ADLINK Technology NuDAQ ACL-8454, User Manual

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Contents
3.4 Digital Input Registers....................................................... 28
3.5 Digital Output Register...................................................... 28
3.6 Low-level Programming ................................................... 30
Chapter 4 Applications ...........................................32
4.1 Timer / Counter Connection.............................................. 32
4.2 Frequency Generator........................................................ 33
4.3 Pulse Width Measurement................................................ 35
4.4 Frequency Measurement .................................................. 36
4.5 Event Counter................................................................... 38
Chapter 5 C/C++ Library..........................................39
5.1 Installation........................................................................ 40
5.2 W_8454_Initial................................................................... 42
5.3 Set_Chip ........................................................................... 43
5.4 W_8454_Write_Counter..................................................... 44
5.5 W_8454_Read_Counter..................................................... 45
5.6 W_8454_Stop_Counter...................................................... 45
5.7 W_8454_DO....................................................................... 46
5.8 W_8454_DI ........................................................................ 47
5.9 8454 Mode Functions ........................................................ 49
5.10 W_8454_INT_Enable.......................................................... 50
5.11 W_8454_INT_Disable......................................................... 51
Appendix 8254 Timer Chip Operation .....................52
Product Warranty / Service......................................55