CS3710 Path Finder

•Chad Mann•Vlas Lezin•Jordan Nicholls•Chase Thompson

The Crew

Overview

• A GPS system that receives UART geographical coordinates from satellites.

CS3710 Path Finder

Transposes 2-D location to display controlled by VGA module

CS3710 Path Finder

Processor

BlockRAM VGA controller

VGAdisplay

UART PS/2

GPS module Keyboard

Block Diagram

CS3710 Path Finder

Data path

GPS ModuleCS3710 Path Finder

GN-80 from Furuno electronic co.

•Receiving frequency - 1575.42 MHz•Renewal Rate - 1 sec•Max number of satellites - 12 •Protocol - NMEA•Position-fixing period - 60 secs(max)•Horizontal accuracy - 15 meters•Vertical accuracy - 22 meters•Speed accuracy - 0.1 k/h•External Antenna•UART frequency - 4800 bps

UART

CS3710 Path Finder

Mann

CS3710 Path Finder

State Machine

CS3710 Path Finder

Block RAM

I/0UARTPS/2

Flash ROM

VGA Frame buffer

Code/Data

FFFF

C000BFFF

8000

7FFF

4000

3FFF

0000

20k words

CS3710 Path Finder

VGA controller

•Using 8x8 pixels sprite•640x480 resolution•Sprites is going to be stored in flash ROM