Reference Manual

Contents
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Change Log....................................................................................... 5
Revision B ................................................................................. 5
Chapter 1:
About the Module ............................................................... 12
Features and functionality ...................................................................12
Block diagrams .................................................................................16
CPU........................................................................................16
Module ....................................................................................17
Detailed module description .................................................................18
Configuration ............................................................................18
Power Supply ............................................................................18
Power management.....................................................................19
NORMAL mode ...........................................................................20
IDLE mode ................................................................................20
STOP mode ...............................................................................20
SLEEP mode ..............................................................................20
Wake-up event ..........................................................................21
Reset ......................................................................................22
Memory ..........................................................................................23
DDR SDRAM memory ....................................................................23
NAND Flash memory ....................................................................23
Configuration pins - CPU module ............................................................24
Chip selects .....................................................................................25
Chip select memory map ..............................................................25
Multiplexed GPIO pins .........................................................................26
S3C2443X Port Configuration..........................................................26
Interfaces .......................................................................................32
RTC ........................................................................................32
UART interface ..........................................................................32
SPI interface .............................................................................34
I2C interface .............................................................................35
USB interface ............................................................................35
Ethernet interface ......................................................................36
WLAN interface..........................................................................37
A/D converter and touch screen interface..........................................37
Touch screen interface modes ........................................................37
Reset controller .........................................................................38