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參數(shù)資料
| 型號： | GPS140HR |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | GPS Positioning Module |
| 中文描述： | GPS定位模塊 |
| 文件頁數(shù)： | 5/38頁 |
| 文件大?。?/td> | 282K |
| 代理商： | GPS140HR |
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GPS140HR
5
RTD Embedded Technologies, Inc.
TABLE OF CONTENTS
CHAPTER 1
- INTRODUCTION.........................................................................................8
Features.............................................................................................................................................................................................8
Some of the key features of the GPS140HR include:..........................................................................................................8
GPS receiver.....................................................................................................................................................................................8
16C550 compatible UART..............................................................................................................................................................9
I/O interfaces....................................................................................................................................................................................9
Mechanical description...................................................................................................................................................................9
Connector description.....................................................................................................................................................................9
What comes with your board..........................................................................................................................................................9
Using this manual..........................................................................................................................................................................10
When you need help.......................................................................................................................................................................10
CHAPTER 2
- BOARD SETTINGS..................................................................................11
Factory-Configured Jumper Settings........................................................................................................................................12
Base address jumpers (Factory setting: 2E8h)........................................................................................................................13
Host interrupt
(Factory setting: IRQ5, G closed)...........................................................................................................15
GPS configuration
(Factory setting: ROM disabled, NMEA)...........................................................................................16
CHAPTER 3
BOARD INSTALLATION...........................................................................18
Board installation..........................................................................................................................................................................18
General installation guidelines:............................................................................................................................................18
GPS receiver connector................................................................................................................................................................19
Utility I/O header connector J3...................................................................................................................................................21
CHAPTER 4
- HARDWARE DESCRIPTION.................................................................22
Antenna............................................................................................................................................................................................23
UART channel................................................................................................................................................................................24
Pulse outputs ..................................................................................................................................................................................24
1 PPS output and LED...........................................................................................................................................................24
10KHz output.........................................................................................................................................................................24
Fuses .......................................................................................................................................................................................25
CHAPTER 5
BOARD OPERATION AND PROGRAMMING.......................................26
Defining the Memory Map............................................................................................................................................................26
INTERRUPTS.................................................................................................................................................................................27
What is an interrupt............................................................................................................................................................27
Interrupt request lines...........................................................................................................................................................27
8259 Programmable Interrupt Controller.............................................................................................................................27
Interrupt Mask Register (IMR)............................................................................................................................................28
End-of-Interrupt (EOI) Command........................................................................................................................................28
What exactly happens when an interrupt occurs...........................................................................................................28
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