Omega ISA- BUS MULTI-FUNCTIONAL BOARD OME-A822PG Manuel d'utilisateur télécharger pdf (Page 57)

<A/D use DMA> Test Screen

z Assume single-ended, bipolar, gain=1

z Use <PgUp> key to select the next channel

z Use <PgDn> key to select the previous channel

z Use <Up>/<Down> key to adjust C1

z Use <Left>/<Right> key to adjust C2

z Sample rate = pacer timer rate = 2000/(C1*C2) K

z Use <p> key to pause screen, use next <p> key to release screen

z Use <ESC> to quit

z A/D mode control register=0x02 Æ select pacer trigger and use DMA transfer

z One cycle samples 1000 A/D data points

z Minimum, Maximum and Average values are shown on the screen

OME-A-822PGL/PGH Hardware Manual ---- 55

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Omega ISA- BUS MULTI-FUNCTIONAL BOARD OME-A822PG Manuel d'utilisateur Page 57