Omega OME-A822PG manual Tables of Contents, Introduction

Tables of Contents

1.Introduction_________________________________________________________ 4

1.1 General Description __________________________________________________ 4

1.2Features _____________________________________________________________ 4

1.3Specifications _________________________________________________________ 5

1.3.1Power Consumption : ________________________________________________________ 5

1.3.2Analog Inputs ______________________________________________________________ 5

1.3.3A/D Converter _____________________________________________________________ 5

1.3.4DA Converter ______________________________________________________________ 6

1.3.5Digital I/O_________________________________________________________________ 6

1.3.6Interrupt Channel ___________________________________________________________ 6

1.3.7Programmable Timer/Counter _________________________________________________ 7

1.3.8Direct Memory Access Channel (DMA) _________________________________________ 7

1.4Applications __________________________________________________________ 8

1.5Product Check List ____________________________________________________ 8

2.Hardware Configuration ______________________________________________ 9

2.1Board Layout_________________________________________________________ 9

2.2I/O Base Address Setting ______________________________________________ 10

2.3Jumper Settings______________________________________________________ 11

2.3.1JP1 : D/A Internal Reference Voltage Selection___________________________________ 11

2.3.2JP2 : D/A Int/Ext Ref Voltage Selection ________________________________________ 12

2.3.3JP3 : Single-ended/Differential Selection________________________________________ 12

2.3.4JP4 : A/D Trigger Source Selection ____________________________________________ 13

2.3.5JP5 : Interrupt Level Selection ________________________________________________ 13

2.3.6JP6 : User Timer/Counter Clock Input Selection __________________________________ 14

2.3.7 JP7 : DMA DACK Selection, JP8 : DMA DRQ Selection _____________________ 15

2.4I/O Register Address__________________________________________________ 16

2.4.18254 Counter _____________________________________________________________ 17

2.4.2A/D Input Buffer Register ___________________________________________________ 17

2.4.3D/A Output Latch Register ___________________________________________________ 18

2.4.4D/I Input Buffer Register ____________________________________________________ 19

2.4.5Clear Interrupt Request______________________________________________________ 19

2.4.6A/D Gain Control Register ___________________________________________________ 20

2.4.7A/D Multiplex Control Register _______________________________________________ 21

2.4.8A/D Mode Control Register __________________________________________________ 22

OME-A-822PGL/PGH Hardware Manual ---- 2