SJ One Board

Introduction

This article provides details of the SJ-One Board used by San Jose State University. Contact Preet if you need to get one of these boards.
LPC1758 User Manual

Board Features :

• LPC1758 CPU - 512K ROM, 64K RAM
• 8 Switches and 8 LEDs (both hard-wired)
• Temperature Sensor
• 3-Axis Acceleration Sensor
• IR Sensor for Remote Controls
• Light Sensor
• 2-Digit 7Segment Display
• RTC Crystal with Backup Battery
• SD Card and 1Mb SPI Flash.
• Socket for Xbee or Wifi Module (Uart3)
• 18 GPIOs with SPI, Multiple UARTs, and I2C availability
• Power from USB or External Power

Potential Future Board Changes

• Reduce Switches and LEDs from 8 to 4 to expose 8 contiguous GPIO
• Add Nordic Wireless SPI Interface

Board Block Diagrams

The block diagrams below show the connectivity to various different chips on the PCB, and also show which GPIOs are available to you. The first diagram shows the pins used for on-board sensors or interfaces. The second diagram shows IOs you can use.

Board Connections

SJ One Board Connections

Board IO

SJ One Board IO

Board Schematic

Download the PDF Schematic here: File:2012SJOneBoardSchematic.pdf

Board Overlay

This board overlay can be compared against diagrams above to get an idea of where the IOs are located. To Do: Upload picture