BeagleBoard Zippy2

The Zippy2 Ethernet Combo Board (KSZ8851SNL-BBE-EVAL) is a low cost expansion board for the BeagleBoard that provides the following peripherals:

• 10/100BaseT Ethernet
• Second SD/MMC Interface
• Second RS232 Serial Interface
• Real-Time clock with Battery Back-up
• I2C Interface (+5V level)
• AT24C01 Serial EEPROM for Board Identification

Hardware

Ethernet

The Zippy2 provides a standard 10/100BaseT ethernet interface and uses the Micrel KSZ8851SNL SPI to Ethernet controller.

SD/MMC Interface

The Zippy2 provides a second SD/MMC interface that supports both 3.3V and 1.8V SD memory cards. The

RS232 Serial Interface

The Zippy2 provides a second RS-232 serial port for the BeagleBoard. There are two serial connectors provided. Either connector is available for use: 1) standard DB9 Male connector, or 2) 2x5 shrouded header (0.1 inch pin spacing).

Real-time Clock

The Zippy2 provides a battery backed-up Real Time Clock (RTC) which uses the . The backup power is provided by a small 3V lithium coin battery and is held in place by a battery holder.

Compatible 3V Lithium Coin Batteries:

• CR1216
• CR1220
• CR1225

Battery cell size = 12mm.

Design Documents

Software

• Demo/Test Files
  • MLO (save as MLO)
  • u-boot.bin (save as u-boot.bin)
  • uImage (save as uImage)
  • Kernel Config

• place these files on your formated SD card per the instuctions at the LinuxBootDiskFormat page
• boot your BeagleBoard while holding down the "User" button.