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User’s Manual for Advantech SOM-A2552 series module V1.00
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SoC Intel XScale PXA255 introduction
Intel XScale PXA255 processor is continuing the advance in handheld
multimedia functionality.
PXA255 is Low power, high performance 32-bit Intel XScale® core-based
CPU (200, 300 and 400 MHz). The SoC is ARM Architecture v.5TE compliant.
0.18µ process for high core speeds at low power.
Intel® Media Processing Technology including 40-bit accumulator and 16-bit
SIMD to enhance audio/video decode performance.
In power field, Low Power and Turbo modes enables enhanced optimal
battery life. 32 KB data and 32 KB instruction caches, 2 KB Mini data cache for
streaming data.
About PXA255 I/O expansion function, Integrated Memory and
PCMCIA/Compact Flash Controller with 100 MHz Memory Bus, 16-bit or 32-bit
ROM/Flash/SRAM (six banks), 16-bit or 32-bit SDRAM, SMROM (four banks),
as well as PCMCIA and Compact Flash for added functionality and
expandability. System Control Module includes 17 dedicated general-purpose
interruptible I/O ports, real-time clock, watchdog and interval timers, power
management controller, interrupt controller, reset controller, and two on-chip
oscillators.
Peripheral Control Module offers 16 channel configurable DMA controller,
integrated LCD controller with unique DMA for fast color screen support,
Bluetooth** I/F, serial ports including IrDA, I2C, I2S, AC97, three UARTs(1 Full
H/W flow control), SPI and enhanced SSP, USB end point interface, and
MMC/SD Card Support for expandable memory and I/O functionality.
About Intel PXA255 SoC detail information, user could visit Intel web site
for more.
Enhance Graphic Chip SMI SM501 introduction
The SM501 is a Mobile System-on-a-Chip (MSOC™) device. This robust device
delivers high-performance video and 2D operation, providing a solution for embedded
mADKets. The SM501 also contains a wide variety of I/Os, such as analog RGB and
digital LCD Panel interfaces, an 8-bit parallel interface, USB, UART, IrDA, Zoom
Video, AC97 or I2S, SSP, PWM, and I2C interfaces. These built-in functionalities help
to reduce overall system cost. Additional programmable GPIO bits can be used to
interface to external devices as well.
About SMI SM501 display chip detail information, user could visit SMI web
site for more.
System Memory
SOM-A2552 SDRAM can be configured as 4/8/16/32/64/128/256MB.
Users can base on their requirement to reconfigure the SDRAM size.
There are two functions Flash on SOM-A2552 series. One is Boot Flash,
the other is Storage Flash.
Boot Flash is 1MB NOR flash. In standard SOM-A2552 series product,
Advantech will pre-install the WinCE bootloader in it.
Storage Flash is used to save image & user APs. Storage Flash size is
also reconfigurable. The Storage Flash is M-system Flash. Storage Flash size
could be 0/16/32/64 MB. SOM-A2552 series have Multiple boot options
through the on-board Flash or Compact Flash Card (CFC) for easy maintain
and cost saving. If Storage Flash is 0MB that means user should put the image
in Compact Flash Card.