GM-820F
60並行通道 13x15 GPS模組
描述
GM-820F GPS模組是一個高靈敏度，超緊湊的微型單晶片GPS應用。它包括RF射頻接收器，一個全功能的基頻處理器，快閃記憶體和功率管理單元。
RF射頻接收器採用了單次轉換數位低中頻架構，高水準的集成只有少數在晶片外匹配，並且分離的元件儘量減少系統成本。
基頻處理器是控制自適應信號處理和導航固件優化，為執行對低功率微處理器。先進的自適應控制演算法，提供最佳的信號採集/跟蹤策略。
特色
- GPS L1 C/A code
- High sensitivity of -160dBm in tracking & -144dBm in acquisition
- RF receiver of noise figure at 2.5dB
- Build in power-on-reset and calibration circuits
- Active antenna sensor to automatically switching
- Assisted/Autonomous operation
- Fast TTFF in all modes ( a typical outdoor )
♦ hot-start in 1s
♦ warm-start in 32s
♦ cold-start in 34s - Up to 60,000 simultaneous search windows
- Support 60 channels (48 acquisition & 12 tracking channels)
- DGPS & SBAS (WAAS/EGNOS/MSAS) capable
- Support standard NMEA-0183 & Mstar binary protocol
- TCXO & RTC integrated
- Integrate a high-performance MIPS M4K CPU
- Integrate a 512 KB NOR flash memory
- Frequency-locking between -40 °C ~ 125 °C
- Easy to integrate
♦ Flexible RF interface – compatible with various frequency plan
♦ Dual UART data interface
♦ I2C & SPI interface
♦ Numerous GPIO
♦ Wheel trick , PWM and ADC input - Operate in 1.2V/3.0V (core/IO), integrate LDO
- Track/Acquire power consumption will be 30~33mA (GPS module)
- Battery backed RAM & RTC and direct connection
- 0.18um CMOS for RF and 0.11umBaseband
Start Now™ 技術
Mstar Start Now™ AGPS for GSM/3GPP & CDMA for extended ephemeris and fast TTFFs (mobile phone & tracker)
Mstar Start Now™ MGAN™-LTE (long term ephemeris) for extended 5~7days ephemeris and fast TTFFs (PND & tracker/logger)
Advanced power management for trickling and position-fix™ power management
SDK tool by OEM customization API to save external mcu of the system
應用
- PND (Portable Navigation Devices / 可擕式導航系統)
- Mobile Phone (移動電話/手機)
- UMPC (Ultra Mobile PC / 超便攜移動個人電腦) / UMD (Ultra mobile device / 超便攜移動設備)
- Tracker & Logger units (追蹤 & 記憶體單元)
- MP3/MP4 GPS
- GPS Watch (GPS手錶)
- DSC GPS and related (數碼相機GPS及相關)
- Marine & timing navigation (海洋及計時導航)
規格
| 13X15 GPS模組 GM-820F 規格 | |
| GPS Receiver | |
| Chipset | Mstar MSB2122 |
| Frequency | L1, 1575.42 MHz |
| Code | C/A Code |
| Protocol | NMEA 0183 Default : GGA,GSA,GSV,RMC Support : VTG,GLL,ZDA) Mstar binary and NMEA Command |
| Available Baud Rate | 4,800 to 115,200 bps adjustable |
| Time | 1 PPS Pulse, pulse duration 1 mini second. Time reference at the pulse positive edge. Synchronized to GPS time, ±1 μs. |
| Channels | Support 60 channels (48 acquisition & 12 tracking channels) |
| Sensitivity | Tracking -160dBm Acquisition -144dBm |
| Acquisition Time(Open Sky) | Hot start: 1 sec, average Warm start: 32 sec, average Cold start: 34 sec, average |
| Reacquisition | 0.1 second, average |
| Accuracy | Position: <10 meters, 2D RMS <5 meters, 2D RMS, WAAS corrected 1-5 meters, DGPS corrected Time 1 microsecond synchronized to GPS time |
| Maximum Altitude | Altitude < 18,000 meters (60,000 feet) |
| Maximum Velocity | < 515 meters/sec (1000 knots) |
| Maximum Acceleration | < 4 G Jerk 20 meters/sec max |
| DGPS | WAAS, EGNOS, MSAS |
| Datum | Default WGS-84 |
| Physical Characteristic | |
| Type | 22-pin stamp holes |
| Dimensions | 13. mm x 15 mm x 2.7 mm |
| Physical Characteristic | |
| Power Supply | Main power input 3.2 ~ 5.0 VDC |
| Power consumption | Track/Acquire power consumption will be 30~33mA (GPS module) |
| Environmental Range | |
| Humidity Range | 5% to 95% non-condensing |
| Operation Temperature | -40 °C ~ 85 °C |
| Storage Temperature | -40 °C ~ 125 °C |
下載
| 13X15 GPS模組 GM-820F 下載 | |
| GM-820F_DataSheet.pdf | PDF, 英文, GM-820F規格書 |