Zilog EZ80190 Bedienungsanleitung PDF herunterladen (Seite 23)

eZ80190 Development Kit

User Manual

UM014108-0810 Operational Description

Almost all of 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 eZ80190 Module.

These four inputs are:

37 SDA Bidirectional Yes

38 GND

39 FlashWE

Output Low No

40 GND

41 CS3

Input Low Yes

42 DIS_IrDA

Output Low No

43 RESET

Bidirectional Low Yes

44 WAIT

Output Pull-Up 10 K¾; Low Yes

45 V

46 GND

47 HALT_SLP

Input Low Yes

48 NMI

Output Low Yes

49 V

50 Reserved

Table 3. eZ80Acclaim!

Development Platform

I/O Connector Identification—JP2

(Continued)

Pin # Symbol Signal Direction Active Level eZ80F91 Signal

Notes:

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

this table. The entire interface is represented in the eZ80190 Module Schematic Diagrams

pages 66 through 73.

2. The Power and Ground nets are connected directly to the eZ80F91 device.

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