S3C2440X
2003.10.15
PRODUCT OVERVIEW
FEATURES (Continued)
Interrupt Controller
• 59 Interrupt sources
(One Watch dog timer, 5 timers, 9 UARTs, 24
external interrupts, 4 DMA, 2 RTC, 2 ADC, 1 IIC,
2 SPI, 1 SDI, 2 USB, 1 LCD, 1 Battery Fault, 1
NAND and 2 Camera)
• Level/Edge mode on external interrupt source
• Programmable polarity of edge and level
• Supports Fast Interrupt request (FIQ) for very
urgent interrupt request
Timer with Pulse Width Modulation (PWM)
• 4-ch 16-bit Timer with PWM / 1-ch 16-bit internal
timer with DMA-based or interrupt-based
operation
• Programmable duty cycle, frequency, and polarity
• Dead-zone generation
• Supports external clock sources
RTC (Real Time Clock)
• Full clock feature: msec, second, minute, hour,
date, day, month, and year
• 32.768 KHz operation
• Alarm interrupt
• Time tick interrupt
General Purpose Input/Output Ports
• 24 external interrupt ports
• Multiplexed input/output ports
UART
• 3-channel UART with DMA-based or interrupt-
based operation
• Supports 5-bit, 6-bit, 7-bit, or 8-bit serial data
transmit/receive (Tx/Rx)
• Supports external clocks for the UART operation
(UARTCLK)
• Programmable baud rate
• Supports IrDA 1.0
• Loopback mode for testing
• Each channel has internal 64-byte Tx FIFO and
64-byte Rx FIFO.
DMA Controller
• 4-ch DMA controller
• Supports memory to memory, IO to memory,
memory to IO, and IO to IO transfers
• Burst transfer mode to enhance the transfer rate
A/D Converter & Touch Screen Interface
• 8-ch multiplexed ADC
• Max. 500KSPS and 10-bit Resolution
• Internal FET for direct Touch screen interface
LCD Controller STN LCD Displays Feature
• Supports 3 types of STN LCD panels: 4-bit dual
scan, 4-bit single scan, 8-bit single scan display
type
• Supports monochrome mode, 4 gray levels, 16
gray levels, 256 colors and 4096 colors for STN
LCD
• Supports multiple screen size
– Maximum screen size: 2048x1024
– Recommended screen size: max 800x600
– Maximum virtual screen size is 4 Mbytes.
– Maximum virtual screen size in 256 color mode:
4096x1024, 2048x2048, 1024x4096 and others
TFT(Thin Film Transistor) Color Displays Feature
• Supports 1, 2, 4 or 8 bpp (bit-per-pixel) palette
color displays for color TFT
• Supports 16 bpp non-palette true-color displays
for color TFT
• Supports maximum 16M color TFT at 24 bpp
mode
• Supports multiple screen size
– Maximum screen size: 2048x1024
– Recommended screen size: max 800x600
– Maximum virtual screen size is 4Mbytes.
– Maximum virtual screen size in 64K color mode:
2048x1024, and others
1-3
Preliminary product information describes products that are in development,
for which full characterization data and associated errata are not yet available
Specifications and information herein are subject to change without notice.