Zilog Z8F0411 Manual do Utilizador descarregar pdf (Página 16)

MDS General-Purpose Board Development Kit

User Manual

UM016905-1207 MDS-GP Board Features

tion. This connector also provides 5 V DC power and a system reset line

(see Figure 5). The chip select control for this bus is generated from PAL

U26 and is programmed at the factory to decode address

Dxxxxh on CS2.

Figure 5. External Data Bus Header, J7

One application of this connector is to connect a higher-resolution graphic

display. The J7 header pin-out is same as CrystalFontz displays. For

example, you can connect a CrystalFontz 320 x 240 graphic LCD display

using just a ribbon cable. You can also power the display inverter for back

light control using the 5 V supply on this connector. The eZ80Acclaim!

software example includes routines that can be used to drive a

CrystalFontz display.

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