Zilog EZ80L92 Manuel d'utilisateur télécharger pdf (Page 23)

eZ80L92 Development Kit

User Manual

UM012913-0407 Operational Description

Almost all the connectors’ signals are received directly from the CPU.

Four input signals, in particular, offer options to the application developer

by disabling certain functions of the eZ80L92 Module.

These four inputs signals are:

•

Disable Ethernet (DIS_ETH)

•

Enable Flash (EN_FLASH)

•

Flash Write Enable (FlashWE)

•

Disable IrDA (DIS_IrDA)

41 CS3 Input Low Yes

42 DIS_IrDA

Output Low No

43 RESET

Bidirectional Low Yes

44 WAIT

Output Pull-Up 10 KΩ; Low Yes

45 V

46 GND

47 HALT_SLP

Input Low Yes

NMI

Output Low Yes

49 V

50 Reserved

Table 3. eZ80Acclaim!

Development Platform I/O Connector Identification—JP2

Pin No. Symbol Signal Direction Active Level eZ80L92 Signal

Notes:

1. For the sake of simplicity in describing the interface, Power and Ground nets are omitted from

this table. The interface is represented in the eZ80L92 Module Schematics.

2. The Power and Ground nets are connected directly to the eZ80L92 device.

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 85 86

Pas de commentaire

Zilog EZ80L92 Manuel d'utilisateur Page 23