GPS Module

SYSTEM DESCRIPTION 1 General Description A complete GPS receiver is implemented on the VPM103H-6 module. The module includes the following features: l 25.4x25.4mm form factor l Input for Active GPS antenna bias supply l 16.3676MHz TCXO l GPS radio based on uN8021 RF chip l GPS base-band processor based on uN8031 chip l Dual UART (3V CMOS levels) for serial data l SPI-interface (option) l 16-bit GPIO interface l 32768Hz RTC l 16Mbit FLASH memory (1024k x 16bit) The receiver needs only the following external inputs: l Regulated 2.7 ~ 3.3V supply l Active GPS antenna bias supply (if needed) l External reset input l GPS Antenna signal (passive or active antenna) 2 Physical specification l Size: 25.4 x 25.4 x 3.0 mm l Operating Temperature: -35 ºC to +80 ºC l Operating Humidity: 0% to 95% RH, non condensing l Vibration: 4 G 3 Technical specification l Receiver: L1, C/A code l Channels: 12 l Update rate: 1 Hz or user configurable l AGC Range: 0…+32dB external gain l Power supply: 2.7 ~ 3.3V, regulated power l Recommended Supply: 3.0 V l TTFF: Hot Start: 8.6 sec typ Warm Start: 38 sec typ Cold Start: 53 sec typ l Sensitivity: - 138 dBm (Acquisition)- 150.5 dBm (Navigation)- 152 dBm (Tracking) I Power Consumption: Navigating: 130mW 2.7V ave.Idle mode(Navigation stopped): 22mW 2.7V typ.Sleep mode: 120µW 2.7V typ.RTC Back-Up mode: 1.5 uA max l Protocols: NMEA-0183 V3.0, proprietary iTALK binary protocol