Hi,
you try ChipSet ATR0621 with SuperSense
**broken link removed**
Ultra low power consumption: 62 mW
Optional SuperSense Indoor GPS
A-GPS and Autonomous GPS operation,
AssistNow™ ready
External bus interface for Flash EPROMs
Minimum bill of material
4 Hz position update rate
1 USB and 2 UART ports
ATR0621: 100 Pin BGA, 9 x 9 mm
ATR0601: 24 Pin QFN, 4 x 4 mm
ATR0610: 6 Pin PLLP, 1.6 x 2 mm
Features:
16 channel ANTARIS 4 positioning engine
Supports DGPS, WAAS, EGNOS and MSAS
Power saving modes
5 µA backup current
No external Flash EPROM required for standard GPS functionality
SPI Master & Slave (Suitable for optional serial EEPROMs)
Real-Time Clock (RTC)
Supports passive and active antennas
Antenna short and open circuit detection and protection
Operating temperature range: -40 to 85°C
RoHS compliant (lead-free)
Semiconductor technology provided by Atmel