Measurement-computing CIO-DAS16 Manual de usuario Pagina 31

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 36
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 30
The two groups of ports, group A and group B, may be independently programmed in one of several modes. The most
commonly used mode is mode 0, input / output mode. The codes for programming the 82C55 in this mode are shown in
Table 4-4. D7 is always 1 and D6, D5 & D2 are always 0.
Table 4- 4. Programming Codes for 82C55 in Mode 0, Input/Output Mode
ININININ1559B1111
OUTINININ1549A0111
INOUTININ153991011
OUTOUTININ152980011
ININOUTIN147931101
OUTINOUTIN146920101
INOUTOUTIN145911001
OUTOUTOUT IN144900001
INININOUT1398B1110
OUTININOUT1388A0110
INOUTINOUT137891010
OUTOUTINOUT136880010
ININOUTOUT131831100
OUTINOUTOUT130820100
INOUTOUTOUT129811000
OUTOUTOUTOUT128800000
CLBCHADECHEXD0D1D3D4
27
Vista de pagina 30
1 2 ... 26 27 28 29 30 31 32 33 34 35 36

Comentarios a estos manuales

Sin comentarios