参数资料
型号: GP2021
厂商: Mitel Networks Corporation
英文描述: GPS 12 channel Correlator Advance Information
中文描述: 全球定位系统12通道相关器研究进展信息
文件页数: 12/62页
文件大小: 372K
代理商: GP2021
2
GP2021
TABLE OF CONTENTS
HEADING
PAGE
TYPICAL GPS RECEIVER
4
PIN DESCRIPTION
4
Differences between Real and Complex_Input Mode
7
FUNCTIONAL DESCRIPTION
7
12 CHANNEL CORRELATOR
8
Clock Generator
8
Timebase Generator
8
Status Registers
9
Sample Latches
9
Address Decoder
9
Bus Interface
9
TRACKING MODULES
9
Carrier DCO
9
Code DCO
9
Carrier Cycle Counter
9
C/A Code Generator
9
Source Selector
10
Carrier Mixers
10
Code Mixers
10
Accumulate and Dump
10
Code Phase Counter
10
Code Slew Counter
10
Epoch Counter
11
PERIPHERAL FUNCTIONS
11
Dual UART
11
Receiver
11
Transmitter
11
Reset
11
Channel Loopback
12
Real Time Clock (RTC) and Watchdog
12
Power and Reset Control
12
Power Down Mode
12
Hardware Reset Generation
13
System Error Status Register
13
Discrete I/O
14
Digital System Test Interface
15
MICROPROCESSOR INTERFACE
15
General Interface Timing
15
Write Cycle to Read Cycle Timings
15
Write Cycle to Write Cycle Timings
15
Notes about Interface Timing Constraints
15
ARM System Mode
17
Address Map
17
Control Signals
17
ARM System Timing
17
Wait State Generation
17
Debug (Abort) Function
20
Standard Interface Mode
20
Control Signals
21
Motorola Style Interface
21
Intel 80186 Style Interface
21
Intel 486 Style Interface
21
Reset
21
Register Addressing
21
CONTROLLING THE GP2021
22
Search Operation
22
Carrier DCO Programming
22
Code DCO Programming
22
Code Generator Programming
22
Reading the Accumulated Data
22
Search on Other Code Phases
22
Data Bit Synchronisation
22
Reading the Measurement Data
22
Preset Mode
23
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