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s3c2442-user-manual
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三星s3c2442的用户手册 s3c2442是一个在s3c2440的基础上集成了SDRAM+NAND FLASH微处理器
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SC32442B
USER’S MANUAL
Preliminary_Revision 1.2
1 / 2
NOTIFICATION OF REVISIONS
ORIGINATOR: Samsung Electronics, SOC Development Group, Ki-Heung, South Korea
PRODUCT NAME: SC32442B RISC Microcontroller
DOCUMENT NAME: SC32442B User's Manual, Revision 1.2
DOCUMENT NUMBER:
EFFECTIVE DATE:
SUMMARY: As a result of additional product testing and evaluation, some specifications
published in the SC32442B User's Manual, Revision 1.2, have been changed.
These changes are described in detail in the Revision Descriptions section
below.
DIRECTIONS: Please note the changes in your copy (copies) of the SC32442B User's Manual,
Revision 1.2 or, simply attach the Revision Descriptions of the next page to
SC32442B User's Manual, Revision 1.2
REVISION HISTORY
Revision Date Remark
0.00 Jan. 2005 1
st
preliminary specification. This is the first edition.
0.01 Mar. 2005 USB / Electrical Data
1.0 Feb. 2006 SC32442X-> SC32442A
1.2 July,2006 SC32442A-> SC32442B
2 / 2
REVISION DESCRIPTIONS
ERRATA FROM SC32442B USER'S MANUAL
This document contains compilation of device and documentation errata, specification clarifications and changes.
This document is intended for Hardware system manufacturers, Application software developers and Operating
system analyst.
This document may also contain information that was not previously published.
[ FORMAT ]
<CHAPTER> : <PAGE> : <CHANGED_ITEM> : <CHANGED_DATE>
<CHANGED DESCRIPTIONS>
Part I
S3C2442B
32-BIT RISC
APPLICATION PROCESSOR
USER’S MANUAL
Revision 1.2
SC32442B RISC MICROPROCESSOR PRODUCT OVERVIEW
1-1
1 PRODUCT OVERVIEW
INTRODUCTION
This user’s manual describes SAMSUNG's SC32442B 16/32-bit RISC microprocessor. SAMSUNG’s SC32442B
is designed to provide hand-held devices and general applications with low-power, and high-performance micro-
controller solution in small die size. To reduce total system cost, the SC32442B includes the following
components.
The SC32442B is developed with ARM920T core, 0.13um CMOS standard cells and a memory complier. Its low-
power, simple, elegant and fully static design is particularly suitable for cost- and power-sensitive applications. It
adopts a new bus architecture known as Advanced Micro controller Bus Architecture (AMBA).
The SC32442B offers outstanding features with its CPU core, a 16/32-bit ARM920T RISC processor designed by
Advanced RISC Machines, Ltd. The ARM920T implements MMU, AMBA BUS, and Harvard cache architecture
with separate 16KB instruction and 16KB data caches, each with an 8-word line length.
By providing a complete set of common system peripherals, the SC32442B minimizes overall system costs and
eliminates the need to configure additional components. The integrated on-chip functions that are described in
this document include:
• Around 400MHz@1.5V arm and 1.5V internal, 300MHz@1.35V arm and 1.35V internal, 1.8Vmemory, 3.3V
external I/O microprocessor with 16KB I-Cache/16KB D-Cache/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
• 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, stop and Sleep mode
• On-chip clock generator with PLL
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