i-Lotus RX Oncore, Руководство пользователя

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Document Number: 403
– GPS – 070
Page | 5
3.1
Overview
By combining the ARM7TDMI microcontroller core with on-chip Flash and RAM, 16-Channel correlator DSP, RF
Front-end and an extensive range of interfaces on a single module solution, the RX Oncore provides a highly-
flexible and cost-effective solution for any GPS application.
3.2
Feature Summary

ARM7TDMI 16/32 bit RISC CPU based host microcontroller running at a frequency up to 66 MHz.

Complete Embedded Memory System:

FLASH 256 16 Kbytes (100K erasing/programming cycles)

RAM 64 Kbytes.

16 channel High performance GPS correlation DSP

ST Proprietary Technology:

CMOS Flash Embedded Technology for Baseband

BiCMOS Sige for Radio Front-end

-40
o
C to 85
o
C Operating temperature range

SBAS (WAAS and EGNOS) supported

Power Supply:

3.0V to 3.6V operating supply range for Input/output periphery

3.0V to 3.6V operating supply range for A/D Converter reference

1.8V operating supply range for core supply provided by internal Voltage Regulator

2.7V operating supply range for RF Front-end section

Reset and Clock Control Unit able to provide low power modes:

Real time clock module with 32KHz low power oscillator and separate power supply to continue running
during stand-by mode.

16-bit Watchdog Timer with 8 bits prescaler for system reliability and integrity.

Extensive Range of Interface:

Serial Communication Interfaces (UART) allow full duplex, asynchronous, communications with
external devices, independently programmable RX and RX baud rates up to 625K.