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User’s Manual for Advantech SOM-A2558 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 I/O chip Advantech EVA-C210 introduction
The Advantech EVA-C210 Companion Chip is a companion chip to
the Intel® PXA255 processor based on XScale
TM
technology. It provides a
variety of functions suitable for use in a high performance computer system.
The integrated on-chip functions include:
- Companion to Intel® PXA255 processor
- System Bus Interface (SBI) to AHB Wrapper
- Shared Memory Controller supports SDRAM
- Two PS/2 ports are provided for use with keyboards and mice
- Real Time Clock (RTC) with calendar function
- I
2
C Controller
- UART Controller with auto-flow-control function for RS485
- 16550-compatible UART
- Provide up to 32 bits of General Purpose I/O (GPIO)
- Two independent 16-bit Timers
- Two ports USB Host Controllers with PHY which are compliant with