Lizard SOM

Info Box Applies to Lizard

Introduction

Lizard is a system-on-module that belongs to DAVE's Esatta Line product class.

It is based on Texas Instruments AM3505/AM3517 Sitara processor. Lizard Hardware Manual provides detailed information about hardware interfaces and characteristics. This document will provide a functional overview of the module and will focus on system-related issues.

Module overview

The following picture shows a simplified block diagram of Lizard module.

Technical Specifications

• CPU
  • Texas Instruments AM3505/AM3517 ARMv7 architecture Cortex A8 @ 500 MHz
• Multimedia
  • NEON Media Technology (Advanced SIMD coprocessor)
  • PowerVR SGX 530 3D Graphics Accelerator
  • Up to 10 Mpoly/s, support for OpenGL ES 1.1/2.0 and OpenVG 1.1

• Supervisor
  • On board power supply supervision and power sequencer
  • Watchdog and RTC
• Memory
  • Cache 16 Kbyte instruction, 16 Kbyte data, 256 Kbyte L2
  • SDRAM 64, 128, 256, 512 MB DDR2
  • NOR 8, 16, 32, 64, 128 MB
  • NAND All sizes, on request
  • SRAM 128 Kbyte
  • EEPROM Yes

• Interfaces
  • LAN Fast Ethernet 10/100 Mbps
  • UART 3x UART ports (1x full, 2x four-wires)
  • USB 2x Full Speed Host ports, 1 x OTG port
  • CAN CAN controller (version 2 part A, B)
  • External Bus GPMC 16-bit bus
  • Debug JTAG IEEE 1149.1 Test Access Port EMU Port
  • PC Card 2 x SD/MMC card
  • Audio I²S interface
  • Other
    • 2 x I²C channels
    • 1 x SPI channel
    • GPIOs available
    • Keypad (up to 8x8)
• Video
  • Resolution 24-bit Display Port
  • Type TFT/RGB
  • Touch Screen Yes
  • TV out Yes
  • Input
    • 8-bit camera interface

• Mechanical
  • Connectors 2 x 140 pins 0.6mm pitch
  • Physical 70 mm x 50 mm
  • Temperature:
    • Commercial (0°C / +70°C) Temperature Range
    • Industrial (-40°C / +85°C) Temperature Range

• PSU
  • Input 3.3V, voltage regulation on board
  • Consumption TBD

Hardware

Power-up sequence

Most of complexity of Lizard power supply unit is implemented on Lizard itself. However please read carefully Power-up sequence (Lizard) that provides some suggestions about carrier board design.

Reset scheme

Lizard provides several different resets signals. Please refer to Reset scheme for more details.

Memory organization

Lizard memory organizaton is detailed here.

I2C busses and peripherals

Please refer to this page for more details.

CAN interfaces

Please refer to this page for more details.

Power consumption

Please refer to this page for more details.

Boot sequence

By default, Lizard tries to load boot code (boot sequence) from the NOR flash.

For more informaton about boot sequence options please refer to Boot sequence.

Integration guide

Integration guide document provides useful information and resources that allow the system designer to integrate Lizard module in his/her application very quickly.

Software

The following operating systems are supported.

Linux

Lizard Embedded Linux Kit (LELK) is the complete development tool to allow user to start evaluating Lizard SOM.

Android

Please refer to Android .

Use cases

Please refer to Uses cases with Lizard Embedded Linux Kit.

Misc

TI Online Workshop

Links to Texas Instruments training material related to the AM3517. Though not Lizard-based, they provide useful information.

TI AM3517 Workshop material

AM3517 On-line Workshop Videos