Advantech PC-LabCard PCI-1784 - Manual (Page 4)

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C.10 S OFTWARE LATCH — BASE+28H .............................................................................. 41
C.11 B OARD ID — BASE+28H.......................................................................................... 42
C.12 R ESET COUNTER — BASE+2CH................................................................................ 43
C.13 D IGITAL OUTPUT — BASE+30H................................................................................ 44
C.14 D IGITAL INPUT / OUTPUT — BASE+30H ..................................................................... 45
APPENDIX D. OPERATION ................................................................................................. 47
D.1 Q UADRATURE ENCODER INTRODUCTION ...................................................................... 47
D.2 C OUNTER MODES ......................................................................................................... 48
D.3 D IGITAL NOISE FILTER .................................................................................................. 49
D.4 L ATCH MODE ................................................................................................................ 50
D.5 C OUNTER RESET VALUE ................................................................................................ 51
D.6 T IMER FUNCTION .......................................................................................................... 51
D.7 I NTERRUPT FUNCTION .................................................................................................. 52