DESCRIPTION

· 32-bit single chip baseband controller for GPS and telematic applications.

· Designed for automotive applications.

· Utilizes ARM7TDMI 16/32 bit RISC CPU.

· Operates within a temperature range of -40°C to 85°C.

· Available in TQFP 64-pin or 144-pin packages.

FEATURES

· Embedded memory system: 256 KB Flash + 16 KB, 64 KB RAM.

· External memory interface supports up to four banks of external SRAM, Flash, ROM.

· 12-channel GPS correlation DSP with RTCA-SC159 / WAAS / EGNOS support.

· GPS performance: accuracy from <30m to <1cm, time to first fix from 90s to 1s.

· CMOS M8T (0.18 µm) technology.

· Power supply ranges: 2.7V to 3.6V for I/O, 3V to 3.6V for A/D Converter, 1.8V for core.

· Internal clock frequency up to 66MHz with low power modes.

· 48 programmable GPIOs, 16 with interrupt capability.

· Real-time clock module with 32 kHz oscillator.

· 16-bit watchdog timer with 8-bit prescaler.

· CAN module compliant with CAN specification V2.0 part B.

· Four 16-bit programmable timers with various functions.

· 4 channels 12-bit sigma-delta ADC with conversion range 0-2.5V.

· Three UARTs, one adapted for smart card interface.

· Two SPI interfaces, one usable as multimedia card interface.

· Two I2C interfaces supporting multi-master and slave functions.

· USB unit V1.1 compliant (TQFP144 only).

· High-Level Data Link Controller (HDLC) unit.

APPLICATIONS

· Automotive GPS and telematic systems.

· Embedded systems requiring robust GPS functionality.

· Systems needing multiple communication interfaces (UART, SPI, I2C, USB).

· Applications requiring precise timing and control (timers, RTC, watchdog).

· Devices with power efficiency and low power mode requirements.