Hardware Specifications:

• Microprocessor ( CPU ): S3C2410A - Samsung (200 MHz)
• ARM 920T core with Cache (16K+16K) and MMU
• Main Memory: 32MB SDRAM (16M x 16 bit, 100MHz)
• FLASH : 16MB NOR Flash
• Peripherals available:
  • 2 UART’s (also supports IrDA)
  • 1 I2C
  • 2 SPI’s
  • 2 16-bit Timers/PWM’s
  • 1 8-bit LCD Interface + control signals
  • 1 USB Host Port
  • 1 USB Slave Port
  • 2 ADC’s (10 bit )
  • 4 External Interrupt pins
  • 1 Up to 30 pins of GPIO’s (note: some of the GPIO’s and peripherals share the same pins. You must select either General Purpose I/O pins or their alternate peripheral functions.)
• JTAG Interface: 2 x 7 Header – standard JTAG interface
• Size: 0.75 inches (width) X 2.25 inches (length)
• Package: Fits a standard 40-pin DIP socket (0.1 inch lead spacing)
• Power Requirements: +5VDC @ 120 mA (typical)
• Operating Temperature: 0° to 70° C  (32° to 158° F) (Commercial Temp)
  

• How to Create a "Hello World" Program for the Hammer
• Accessing the Hammer's IO Ports and Peripherals via the Command Line
• Hammer LED Userspace Application
• Source file: Ledblink.c
• Hammer LED control program
• Source file: ledctl.c
  
• Hammer Pin Assignments
• HOW TO: Connect a USB Host Interface to the Hammer
• How to Interface the Hammer to 5V I2C-bus Devices

• Hammer schematic
• Interfacing the Hammer to multiple SPI slave devices
  

More information on the Hammer can be found on the elinux.org wiki located here: http://www.elinux.org/Hammer_Board

Ethernet: http://www.elinux.org/Hammer_Ethernet

Bluetooth: http://www.elinux.org/Hammer_Bluetooth

802.11b/g: http://www.elinux.org/Hammer_WiFi

Webcam: http://www.elinux.org/Hammer_Webcam

XBEE Wireless:  Attaching XBEE Wireless Module to Hammer

HOWTOs: http://www.elinux.org/Hammer_Board_HOWTOS

Software: http://www.elinux.org/Hammer_Board_Software

Languages: http://www.elinux.org/Hammer_Board_Software_Programming

Kernel Drivers: http://www.elinux.org/Hammer_Board_Example_Kernel_Drivers

Information on three basic types of operations with a LED are documented here:
http://www.elinux.org/Hammer_LED_Driver

Additional information about the Apex bootloader can be found here:
http://www.elinux.org/APEX

The following wiki pages have information on using the Flyswatter:
http://www.elinux.org/Flyswatter
http://www.elinux.org/Hammer_How_to_use_Jtag

How to install OpenOCD for the Flyswatter

Gentoo Linux (http://www.gentoo.org ) has a web page dedicated to the Hammer and Nail board: http://www.gentoo.org/proj/en/base/embedded/handbook/?part=4&chap=1