I-Lotus RX Oncore User Manual - page 9
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 Kbytes + 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.