Zilog EZ80L92 Manuel d'utilisateur télécharger pdf (Page 50)

eZ80L92 Development Kit

User Manual

Operational Description UM012913-0407

Figure 13 illustrates the bottom layer silkscreen of the eZ80L92 Module.

Operational Description

The purpose of the eZ80L92 Module as a feature of the eZ80L92

Development Kit is to provide the application developer with a plug-in

tool to evaluate the EMAC, memory, IrDA, and other features of the

eZ80L92 device.

Ethernet Media Access Controller

The eZ80L92 Development Kit contains a CS8900A Ethernet Media

Access Controller (EMAC—controls MAC and PHY functions) which is

attached to the data/address bus (A0–A3, D0–D7, RD, and WR) of the

processor. This chip is connected to the processor’s CS3 Chip Select and

to the PD4 pins for interrupt purposes. Connection of pin PD6 and pin

Figure 13. Bottom Layer

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 85 86

Pas de commentaire

Zilog EZ80L92 Manuel d'utilisateur Page 50