Heeltoe Design

Eframe

An inexpensive single board ARM 920 based platform with integrated LCD and touch-switch support. Supports linux and wireless networking via PCMCIA. Flash file system on CF card.

Based on the Sharp LH7A400 ARM 920 "system on a chip" processor, the eframe provides an complete single board solution for running the Linux operating system with a LCD display. Designed for low power applications with no cooling, the system can operate with a current draw as low as 200ma.

An expansion connector allows additional peripherals such as ethernet, audio, USB function, IR and serial.

Created as a simple wireless display device, this board is suitable for many different embedded applications.

The Eframe platform has the following features:

• Single board solution
• Very low power
• 64 Mbytes SDRAM, 2 Mbytes flash
• PCMCIA & CF slot
• VGA LCD interface
• Power control for LCD, PCMCIA
• Integrated power supply
• Expansion connector

Technical details:

• Sharp LH7A400 cpu - 200Mhz ARM920
• 64Mbytes SDRAM, 2Mbytes flash
• PCMCIA slot (3.3v, 5v)
• Compact flash slot
• LCD interface (640x480 VGA, Hirose 31 pin connector)
• Backlight power control (+5v)
• Touch-switch interface
• Mini-buzzer for audio feedback
• Expansion connector
• Connector for TTL serial
• Integrated on-board power supplies, single 12vdc input

Features

• Boot loader in flash
• Runs Linux operating system (kernel 2.4.18 provided), basic file system
• Works with most Sharp and NEC 640x480 TFT LCD's
• Powered by 12VDC @ 500ma. On-board switching power supplies for cpu core, 3.3v & 5v.