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Atmel Electronic Components Datasheet

ATR0625 Datasheet

GPS Baseband Processor SuperSense

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ATR0625 pdf
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Features
16-channel GPS Correlator
– 8192 Search Bins with GPS Acquisition Accelerator
– Accuracy: 2.5m CEP (Stand-Alone, S/A off)
– Time to First Fix: 34s (Cold Start)
– Acquisition Sensitivity: –142 dBm
– Tracking Sensitivity: –158 dBm
Utilizes the ARM7TDMI® ARM® Thumb® Processor Core
– High-performance 32-bit RISC Architecture
– High-density 16-bit Instruction Set
– Embedded ICE (In-circuit Emulator)
128 Kbyte Internal RAM
384 Kbyte Internal ROM with u-blox GPS Firmware
6-channel Peripheral Data Controller (PDC)
8-level Priority, Individually Maskable, Vectored Interrupt Controller
– 2 External Interrupts
24 User-programmable I/O Lines
1 USB Device Port
– Universal Serial Bus (USB) V2.0 Full-speed Device
– Embedded USB V2.0 Full-speed Transceiver
– Suspend/Resume Logic
– Ping-pong Mode for Isochronous and Bulk Endpoints
2 USARTs
– 2 Dedicated Peripheral Data Controller (PDC) Channels per USART
Master/Slave SPI Interface
– 2 Dedicated Peripheral Data Controller (PDC) Channels
– 8-bit to 16-bit Programmable Data Length
– 4 External Slave Chip Selects
Programmable Watchdog Timer
Advanced Power Management Controller (APMC)
– Peripherals Can Be Deactivated Individually
– Geared Master Clock to Reduce Power Consumption
– Sleep State with Disabled Master Clock
– Hibernate State with 32.768 kHz Master Clock
Real Time Clock (RTC)
2.3V to 3.6V or 1.8V Core Supply Voltage
Includes Power Supervisor
1.8V to 3.3V User-definable I/O Voltage for Several GPIOs with 5V Tolerance
4 Kbytes Battery Backup Memory
8 mm × 8 mm 56 Pin QFN56 Package
Pb-free, RoHS-compliant, Green
GPS Baseband
Processor
SuperSense
ATR0625
Preliminary
Rev. 4925A–GPS–02/06


Atmel Electronic Components Datasheet

ATR0625 Datasheet

GPS Baseband Processor SuperSense

No Preview Available !

ATR0625 pdf
1. Description
The GPS baseband processor ATR0625 includes a 16-channel GPS correlator and is based
on the ARM7TDMI® processor core.
This processor has a high-performance 32-bit RISC architecture and very low power con-
sumption. In addition, a large number of internally banked registers result in very fast
exception handling, making the device ideal for real-time control applications. The ATR0625
has two USART and an USB device port. This port is compliant with the Universal Serial Bus
(USB) V2.0 full-speed device specification.
The ATR0625 includes full GPS SuperSensefirmware, licensed from u-blox AG, which per-
forms the basic GPS operation, including tracking, acquisition, navigation and position data
output. For normal PVT (Position/Velocity/Time) applications, there is no need for off-chip
Flash memory or ROM. The firmware supports the possibility to store the configuration set-
tings in an optional external EEPROM. For customer-specific applications, a Software
Development Kit is available.
The ATR0625 is manufactured using Atmel’s high-density CMOS technology. By combining
the ARM7TDMI microcontroller core with on-chip SRAM, 16-channel GPS correlator, and a
wide range of peripheral functions on a monolithic chip, the ATR0625 provides a highly flexible
and cost-effective solution for GPS applications.
2 ATR0625 [Preliminary]
4925A–GPS–02/06


Part Number ATR0625
Description GPS Baseband Processor SuperSense
Maker ATMEL Corporation
Total Page 26 Pages
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