Май 232011
 

Technical Specifications

  • Receiver Type: L1 C/A code, 65-channel Venus 6 engine.

Accuracy

  • Position: 2.5m CEP
  • Velocity: 0.1m/sec
  • Time: 60ns

Startup Time:

  • 1 second hot start under open sky
  • 29 second cold start under open sky (average)
  • Reacquisition: 1s
  • Sensitivity: -161dBm tracking
  • Update Rate: Supports 1 / 2 / 4 / 5 / 8 / 10 Hz update rate (1Hz default)
  • Dynamics: 4G (39.2m/sec2)
  • Operational Limits: Altitude < 18,000m or velocity < 515m/s
  • Serial Interface: 3V LVTTL level
  • Protocol: NMEA-0183 V3.01 GPGGA, GPGLL, GPGSA, GPGSV, GPRMC, GPVTG*1 9600 baud, 8, N, 1
  • Datum Default: WGS-84
  • Input Voltage: 3.0V ~ 5.5V DC
  • Input Current: ~33mA tracking
  • Operating Temp: -40oC ~ +85oC
  • Storage Temp: -55 ~ +100oC
  • Humidity: 5% ~ 95%

 

 Posted by at 21:31
Май 232011
 

  • STM32 F103RB: a 32-bit ARM Cortex M3 microprocessor
  • Clock Speed: 72 MHz
  • Operating Voltage: 3.3V
  • Input Voltage (recommended): 3.0V-12V
  • 39 Digital I/O Pins (GPIO)
  • 16 Analog Input Pins
  • 12-bit ADC resolution (ADC)
  • 15 PWM pins at 16-bit resolution (PWM)
  • Dedicated USB port for programming and communications (USB)
  • External JTAG interface (USB)
  • 128 Flash and 20KB SRAM
  • 64 Channel nested vector interrupt handler (including external interrupt on GPIO’s)
  • Integrated SPI (SPI)
  • Integrated I2C (I2C)
  • 7 Channels of Direct Memory Access (DMA)
  • 3 USART divices (USART)
  • Four 4-channel Timers (Timers)
  • Supplies up to 800mA @ 3.3v
  • Support for low power and sleep modes (<500uA)

 

 Posted by at 12:54