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RTD PC/104 数据模块板DM6814HR Hardware Manual.pdf
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详细说明：RTD PC/104 数据模块板DM6814HR Hardware Manualpdf,RTD PC/104 数据模块板DM6814HR Hardware ManualDM6814/DM5814
Users manual
RTD Embedded Technologies, INC.
103 Innovation blⅤd.
State College, PA16803-0906
Phone:+1-814-234-8087
FAX:+1-814234-5218
E-mail
sales(artd. com
echsupportrtd.com
http://www.rtd.com
Revision histor
Rev.a New manual naming method
Published by
RTD Embedded Technologies, In
103 Innovation Blvd
State College. PA 16803-0906
Copyright 1999, 2002, 2003 by rtD Embedded Technologies, Inc
all rights reserved
Printed in u.s.a
The rtd logo is a registered trademark of rtd Embedded Technologies. cpuModule and utility Module are trademarks
ofrTd Embedded Technologies. PhoenixPICO and PheonixPICO BIOS are trademarks of Phoenix Technologies Ltd. PS
2. PC/XT. PC/AT and ibm are trademarks of international Business machines Inc. MS-DoS. Windows windows 95
Windows 98 and Windows NT are trademarks of Microsoft Corp. PC/104 is a registered trademark of PC/104 Consortium
All other trademarks appearing in this document are the property of their respective owners
able of contents
INTRODUCTION
●●●●●●
-1
IncrementalEncoders mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm 63
8254 Timer/ Counters。6800166888111668668k3
What Comes with Your module oosmoessososossesgnsessessssssomeessss oe i3
Module accessories ssss.
Application Software and Drivers.oooeeeeeee000000000000000900000066460000000000000400068880000000000 e F3
hardware Accessories ooosososssssseessssssoososeesogsessssogessgsoooosseseggssesooeessosossoonosesess i4
Using This Manual .......0.04.....0.000..
H4
When You Nccd Help.essoooooooooeod
onose990909994H-4
CHAPTER 1
MODULE SETTINGS。
l-1
Factory-Configured Switch and Jumper Settings .eeo0eoe06009000000000060060000000006900000008060660000001-3
P4-Interrupt Channel Select (Factory Setting: Jumper installed on G; IRQ Disabled).om.a.. 1-4
P5-8254 Clock and Gate Source Select (Factory Settings: See
P13-Not Used.
P14-Interrupt Source Select ( Factory Setting: OT2)eeeeeeeeeceoeeeeeneeeeeeee0600eeee01-7
SI-Base Address(Factory Setting: 300
P7 through P12, Pull-up/Pull-down Resistors on Digital yo Lines .eeseeeeeeeseeeooeeseoeeeeoeee01-9
CHAPTER 2- MODULE INSTALLATION mmmm99m992-1
Module lnstallation ossomegsoosssnsesososossgsnsosssoossesosssos sesagososo 2-3
External yo connections
Connecting the Digital lyo
●●看香鲁●●·●●●D●●●。看●●●●●●●D●●●●看●●●●●鲁●●●●。香●·●·●看e鲁●●●●·●看●鲁●鲁●●鲁D●●●看鲁看。●●·●·●D●D●●。看。垂●鲁●
Connecting the Timer/Counter lo
D●音●●●●看●。·●●●●。●●。。●鲁●●●●鲁●●●●看鲁鲁●●。●D●●。●●·。·●●●●●。。看●。●●。D●●·●●
Connecting the External Interrupt..aeaaoeaaa
Running the 5814DIAG Diagnostics Program .
2-4
CHAPTER 3
HARDWARE DESCRIPTION
3-1
Timer/Counters
InercmentalEncoders omesesssmsosossosmessssssssmsesessesossssamnesoo sesasososes 3-3
CHAPTER 4
IO MAPPING
●。e。b●●●●●●●。●鲁e鲁be●●鲁●●●●看●●自鲁●● DoOR●●●●看●B●●D●●鲁●鲁。●。看●●●b
Defining the Iyo Map
BA+o: Incremental Encoder I MsB (readwrite).ocoee
BA+ 1: Incremental Encoder I MSB (Readwrite)aoeoeooeoomeseeeeeeseeeeo.
BA+2: Incremental Encoder
BA+3: Incremental Encoder I Chip
BA+ 4: Incremental Encoder 2 MSB (Read/write).eeoeooeoeeeeeee606068886960400000000000000000000000000000004-6
BA+ 5: Incremental Encoder 2 MSB (Read write)eeeeseeeoonoseeeeeeeeeeooseeeeeeeeeeeeesee00000004-6
BA+ 6: Incremental Encoder 2 Clear
BA+ 7: Incremental Encoder 2 Chip Mode Register (Read/write).oooooooooo.
47
BA+ 8: Incremental Encoder 3 MSB
BA+9 Incremental Encoder3MsB( Readwrite),,""","","………,
4-8
BA+ 10: Incremental Encoder 3 Clear/Hold, Digital Iyo (Readwrite).oooeeeeee06900000000
4-8
BA+ll: Incremental Encoder 3 Chip Mode register (read/ write)eeeeeeeeeeeeeseeeeeeeeeeeeeeseeeeeeeeeeeoes. 4-9
BA+12:8254 Timer;/ Counter0( Readwrite)…."….."""…4-10
BA+13:8254 Timer/ Counter l(ead/ Write)…。
●··●··●·.·●●●····●●看a
4-10
BA+ 14: 8254 Timer/Counter 2 (Readwrite).oooooeeooooooooooooeo 000.00000000.000000000000000000000000000000000.4-10
BA+ 15: 8254 Timer/Counter Control Word (write Only).oesooooooseoe oooo00000000000000.4-10
BA+ 16: Clear IRQTRQ Enable(read write).eseeceeo
4-10
BA+17: iRQ Status (Read only)
44-11
ba+18: Rescrved sssssooesssssesssssesesesseseesssesessss e sooesesessseesesssooseesss 4-11
BA+19: Reserved。4-11
Programming the DM68I4DM5814………...…44-12
Clearing and Setting Bits in a Port .eoesesoooooooooooocec90s000000ee990000000088904000004-12
CHAPTER S
DIGITAL IO
5-1
CHAPTER 6
TIMER/COUNTERS .oeeeesee90oo0490009009960909000906-1
ChAPTER 7
INTTERRUPTS。
7-1
P14: Jumper Selectable Interrupts .00000000004000000088860000000000
e73
Selecting the Interrupt Channel.
Basic Programming For Interrupt Handling osososoooogeoooooooooosooooooooooooooooo oo4. 7-4
What Is an Interrupt?……,1111111111111111111117-4
Interrupt Request lines.eaemeaeeceeee
8259 Programmable Interrupt Controller oooooooosoooooooooooo0oooooooooosoooooooooo0oopooo00o-7-4
Interrupt Mask Register (
End-of-Interrupt (eoD Command
●·D●D●。鲁看·鲁。·●。4
What Exactly Happens when an Interrupt Occurs
Using Interrupts in Your Programs .eoo00000600000000000000000000080000000000000000800000000000000000600000000000000000000007-5
Writing an Interrupt Service routine(ISR)…,。,…,,。7-5
Saving the Startup Interrupt Mask Register (IMR) and
Restoring the startup IMR and Interrupt vector.eeeeoeeeooeseoeeseseeeeoeesoseeeeaeeeseeeoeeoeeeeseeeoeeeeeeooeeeooo 7-7
Common Interrupt Mistakes oo0000000000000000000000000000000000000000000000000000000808068060660666400600000000000000000000007-7
APPENDIX A- DM6814DM5814 SPECIFICATIONSeoseeeeeoseeeeee0A-1
APPENDIX H二 CONNECTOR PIN ASSIGNMENTS。
B-1
APPENDIX C- COMPONENT DATA SHEETS 9m9999999999994C-1
APPENDIX D- OPTIONAL DM6814DM5814 CONFIGURATIONS.eo.eD-1
Mixing Incremental Encoder Chips and Digital lyo Circuits on the Same Module oooooososonoeoooe D-3
Iyo Mapping for 16 Bit Programmable l o lines asasaseeaaaaeececaasesaecesaaasaaaaseaaeccaeceeaaam. D-33
yo Mapping for 16 Bit Programmable Iyo lines ooososoooooosoneeooooooooooo0ooooooooo0D-6
Digital Interrupts。,。111111111159
Advanced Digital Interrupts-8 Bit Programmable/8 Byte Programmable Only……。…",D-9
Sampling Digital Lines for Change of state.ooooooonoooo
D-10
Selecting the Interrupt Channel .seeooooonoooooeoeosooooooo oo D-10
Resetting the digital Circuitry o00400000000000000000000000000000000000000000040006000000000000000000000000000000000000086 D-10
Strobing Data into Ports 0/1, 2
APPENDIX E WARRANTY AND RETURN POLICYmoosE-1
List of Illustrations
1-1
Module layout Showing Factory-Configured Settings .eoeooooooooeooeoeooeooooooooeoeeeeceeoeoooooneoeeeeceeeeoo 1-4
12
Interrupt Channel select Jumper. P4
1-5
Pulling Down the Interrupt Request Lines.os400000000000040000000000000400008000000 0.. 1-5
8254 Clock and Gate Sources Jumpers, P5.00eee000000000080090000890600000000008000000000000000001-6
8254 Circuit Diagram……111-6
1-6
Interrupt Source SelectJumper
Base address switch S1..s9.009
●。·●。●●●鲁●D●。看●●●●。DD●●看。●●●D●●·●看●春。●●鲁●D●●a。
18
l-8
PortoPull-up/Pull-down Resistor Connections
P2, P3, and P6 Iyo Connector Pin Assignments .ooooooooooeoooeee0000000000000000000000000000000000 2-4
3-1
DM6814DM5814 Block Diagram .osooo4eas
3-2
Timer/ Counter Circuit Block Diagran…………,411113-4
6-1
8254 Timer/Counter Circuit Block Diagram .eeooooo0oee000000000000000000060000000000000000000000000000000006-3
Digital Interrupt Timing Diagram ooooooesoeeooo sosoooooos0. o D-10
INTRODUCTION
2
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