丽台 GPS导航设备-Leadtek 9548SLP说明书.pdf-资料库

LEADTEK GPS MODULE GPS 9548SLP Specifications Sheet Features: SiRF StarIII low power chipset Compact module size for easy integration : 24 x 20 x 2.9 mm Multiple I/O pins reserved for customizing special user applications RoHS compliance (lead-free) ALL INFORMATION CONTAINED HEREIN IS THE SOLE PROPERTY OF LEADTEK RESEARCH AND CANNOT BE DISSEMINATED WITHOUT THE EXPRESS WRITTEN CONSENT OF LEADTEK RESEARCH. i

LR9548SLP Specifications Sheet Rev. 0.1 Introduction The Leadtek LR9548SLP GPS module is a high sensitivity, low power, Surface Mount Device (SMD). This 20-channel global positioning system (GPS) receiver is designed for a wide range of OEM applications and is based on the GPS signal search capabilities of the SiRFstarIII™ low power single chipset, SiRF’s newest chipset technology. The LR9548SLP is also pin-to-pin compatible with the LR9805-III (LR9548) for easier and faster transition. The LR9548SLP is designed to allow quick and easy integration into GPS-related applications such as: PDA, Pocket PC, and other computing devices Car and Marine Navigation Fleet Management /Asset Tracking AVL and Location-Based Services Hand-Held Device for Personal Positioning and Navigation Features Hardware and Software Based on the high performance features of the SiRFstarIII low power single chipset Compact module size for easy integration: 24x20x2.9 mm (0.94x0.79x0.11 in) Fully automatic assembly: reflow solder assembly ready Hardware compatible with SiRF GSW3 v3.2.2 software Multiple I/O pins reserved for customizing special user applications RoHS compliance Performance Cold/Warm/Hot Start Time: 42/38/1 sec. at open sky and stationary environments. Reacquisition Time: 0.1 second RF Metal Shield for best performance in noisy environments Multi-path Mitigation Hardware © 2006 Leadtek Research Inc. All rights reserved. Page 1/11 Preliminary Confidential - Information is subject to change without prior notice. LLeeaaddtteekk PPrreelliimmiinnaarryy

Interface LR9548SLP Specifications Sheet Rev. 0.1 TTL level serial port for GPS communications interface Protocol: NMEA-0183/SiRF Binary (default NMEA) Baud Rate: 4800, 9600, 19200, 38400 or 57600 bps (default 4800) Ideal for high volume mass production(Taping reel package) Advantages Cost saving through elimination of RF and board to board digital connectors Flexible and cost effective hardware design for different application needs Secure SMD PCB mounting method © 2006 Leadtek Research Inc. All rights reserved. Page 2/11 Preliminary Confidential - Information is subject to change without prior notice. LLeeaaddtteekk PPrreelliimmiinnaarryy

LR9548SLP Specifications Sheet Rev. 0.1 Specifications Technical Specifications Feature Chipset General Accuracy Datum Time to First Fix (TTFF) (Open Sky & Stationary Requirements) Dynamic Conditions Power Serial Port Time-1PPS Pulse Item GSC3f Frequency C/A code Channels Position Description SiRFstarIII low power single chipset L1, 1575.42 MHz 1.023 MHz chip rate 20 10 meters, 2D RMS 5 meters 2D RMS, WAAS corrected <5meters(50%) 0.1 meters/second 1 microsecond synchronized to GPS time WGS-84 selectable for other Datum 0.1 sec., average 1 sec., average 1 sec., average typical TTFF 38 sec., average typical TTFF 42 sec., average typical TTFF 18,000 meters (60,000 feet) max. 515 meters/second (1000 knots) max. 4g, max. 20 meters/second3, max. 3.3 ~ 5.0 VDC input Velocity Time Default Other Reacquisition Snap start Hot start Warm start Cold start Altitude Velocity Acceleration Jerk Main power input Power consumption ≈165 mW (continuous mode) Supply Current Backup Power Electrical interface Two full duplex serial TTL interface. Protocol messages NMEA-0183@4800 bps (Default) Level Pulse duration ≈49 mA 1.65 ~ 5.0 VDC input. TTL The 1PPS pulse width is 1 µs, this 1PPS is NOT suited to steer various oscillators (timing telecommunications system, etc). At the pulse positive edge. Aligned to GPS second, ±1 microsecond receivers, Time reference Measurement © 2006 Leadtek Research Inc. All rights reserved. Page 3/11 Preliminary Confidential - Information is subject to change without prior notice. LLeeaaddtteekk PPrreelliimmiinnaarryy

LR9548SLP Specifications Sheet Rev. 0.1 Environmental Characteristics Items Operating temperature range Storage temperature range Description -40 deg. C to +85 deg. C -55 deg. C to +100 deg. C Physical Characteristics Items Length Width Height Weight Description 24 mm ± 0.1mm (0.94in) 20 mm ± 0.1mm (0.79 in) 2.9 mm ± 0.1mm (0.11 in) 2.5g Interface Specifications Items I/O Description 28 pin SMD micro package © 2006 Leadtek Research Inc. All rights reserved. Page 4/11 Preliminary Confidential - Information is subject to change without prior notice. LLeeaaddtteekk PPrreelliimmiinnaarryy

Reference Design LR9548SLP Specifications Sheet Rev. 0.1 All ground pads attach directly to ground plane by way of via. All components are reference only. © 2006 Leadtek Research Inc. All rights reserved. Page 5/11 Preliminary Confidential - Information is subject to change without prior notice. LLeeaaddtteekk PPrreelliimmiinnaarryy

LR9548SLP Specifications Sheet Rev. 0.1 Software The Leadtek LR9548SLP module includes GSW3.2.2, the SiRF standard GPS software for SiRFstarIII low power single chipset receivers. Features include: Excellent sensitivity High configurability Supports use of satellite-based augmentation systems like the US WAAS or European EGNOS I Hz position update rate system (Option) Real-time Operating System (RTOS) friendly Capable of outputting either NMEA(default) or SiRF proprietary binary protocols Designed to accept custom user tasks executed on the integrated ARM7TDM1 processor(Option) Runs in full power operation (default) or optional power saving modes Default configuration is as follows: Item Core of firmware Baud rate Code type Datum Protocol message Output frequency Description SiRF GSW3.2.2 4800, 9600, 19200, 38400 or 57600 bps (default 4800) NMEA-0183 ASCII WGS-84 GGA(1sec), GSA(5sec), GSV(5sec), RMC(1sec),VTG(1sec) 1 Hz © 2006 Leadtek Research Inc. All rights reserved. Page 6/11 Preliminary Confidential - Information is subject to change without prior notice. LLeeaaddtteekk PPrreelliimmiinnaarryy

Electrical Specifications Block Diagram Antenna A N L bandpass filter RFIN LR9548SLP Specifications Sheet Rev. 0.1 9548SLP Block Diagram 9548S Block Diagram 16.369MHz TCXO 32.768KHz Crystal SiRF GSC3f/LP SiRF GSC3f serial IO 2.85 VDC regulator voltage detector 1.50 VDC regulator antenna power + power in + backup battery Interface Specification Photos and Pin Positions Pin 28 Model Number Model: LR9548SLP Pin 1 Pin 14 Pin 15 Serial Number © 2006 Leadtek Research Inc. All rights reserved. Page 7/11 Preliminary Confidential - Information is subject to change without prior notice. LLeeaaddtteekk PPrreelliimmiinnaarryy

资料库

丽台 GPS导航设备-Leadtek 9548SLP说明书.pdf

相关推荐

GPS导航设备

热门标签

最新资料