Samsung S3C2440 + Linux = Handheld Solution

A low-power, and high-performance microcontroller solution, suitable for PDA, portable media players, GPS and other multimedia terminals.

http://www.giayee.com/images/2440.jpg

KEY FEATURES
Around 1.2V internal, 1.8V/2.5V/3.3V memory, 3.3V external I/O microprocessor with 16KB I-Cache/16KB DCache/MMU
External memory controller (SDRAM Control and Chip Select logic)
LCD controller (up to 4K color STN and 256K color TFT) with LCD-dedicated DMA
4-ch DMA controllers with external request pins
3-ch UARTs (IrDA1.0, 64-Byte Tx FIFO, and 64-Byte Rx FIFO)
2-ch SPls
IIC bus interface (multi-master support)
IIS Audio CODEC interface
AC’97 CODEC interface
SD Host interface version 1.0 & MMC Protocol version 2.11 compatible
2-ch USB Host controller / 1-ch USB Device controller (ver 1.1)
4-ch PWM timers / 1-ch Internal timer / Watch Dog Timer
8-ch 10-bit ADC and Touch screen interface
RTC with calendar function
Camera interface (Max. 4096 x 4096 pixels input support. 2048 x 2048 pixel input support for scaling)
130 General Purpose I/O ports / 24-ch external interrupt source
Power control: Normal, Slow, Idle and Sleep mode
On-chip clock generator with PLL