Zilog Z8F0411 Manual do Utilizador descarregar pdf (Página 42)

UM016905-1207 Schematics

MDS General-Purpose Board Development Kit

User Manual

Figure 22. MDS-GP Board Schematic (7 of 8)

D D

C C

B B

A A

SPARES

99C0943-001 B

MDS General Pur

ose Platform

ZiLOG, Inc.

532 Race Street

San Jose, CA 95126

78Tuesda

, March 23, 2004

Title

Size Document Number Rev

Date: Sheet of

VCC_33V

R49

R52

U12D

TC74LVC08

147

U11C

TC74LVT125

9 8

U7D

74LVC04/SO

9 8

147

R43

R47

10K

U7E

74LVC04/SO

11 10

147

U12B

TC74LVC08

147

R46

R51

U12C

TC74LVC08

147

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 82 83

General-Purpose Board 1
Development Kit 1
Revision History 2
Table of Contents 3
Introduction 6
Board Features 7
MDS-GP board Overview 9
User Manual 10
UM016905-1207 Introduction 10
Kit Contents 11
MDS-GP Board Features 12
Power Supply Options 14
External Data Bus I/O 15
Dxxxxh on CS2 16
LCD Interface 17
Figure 6. LCD Interface 18
Figure 7. Keypad Circuit 20
C Expanders 21
GPS and Wireless Data Options 21
Board Jumper Settings 25
Relay/High Drive Outputs 27
Temperature Sensor 29
ADC Inputs 29
RS-485 I/O 32
Digital Compass Option 33
RAM and Flash Decode 34
Troubleshooting 35
Schematics 36
UM016905-1207 Schematics 37
Appendix—MDS-PM Board Pin 44
Spare Pins 45
LCD Control 45
Buzzer Control 46
KeyPad Control 46
LED Control 46
Serial Port Control 47
C High Drive/Relay Control 50
Digital Compass 51
Interfacing 81
Customer Feedback 82

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