Products, Inc Computer Hardware User Manual

4.2 THE 8254 TIMER ........................................................................................................................ 36
4.3 THE A/D TRIGGER..................................................................................................................... 36
4.4 A/D CONVERSION ....................................................................................................................... 38
4.4.1 A/D Conversion Trigger Modes............................................................................................. 40
4.4.2 A/D Transfer Modes............................................................................................................... 40
4.4.3 Software trigger and Polling technique ................................................................................. 41
5. SOFTWARE AND DEMO PROGRAM.......................................................................................... 44
6. DIAGNOSTIC PROGRAM..............................................................................................................45
6.1 POWER-ON PLUG & PLAY TEST ................................................................................................45
6.2 DRIVER PLUG & PLAY TEST ...................................................................................................... 45
6.3 D I/O TEST ..................................................................................................................................46
6.4 A/D TEST................................................................................................................................... 46
4