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User’s Manual for Advantech SOM-A2558 series module V1.00
11
1.2 System Specifications
The following table is SOM-A2558 series functional specifications.
SOM-A2558 standard product specification table
Model
Func.
SOM-A2558-440B0
Reconfiguration
Option
CPU
PXA255- 400MHz
200/300/400 MHz
I/O Enhance Chip
Advantech EVA-C210
-
Graphic Chip
PXA255 built-in
-
System
Memory(SDRAM)
64MB SDRAM
16/32/64/128 MB
Boot loader Flash
1MB NOR Flash
-
On-board Flash
(Image &
Storage )
0MB
0/16/32/64MB
OS Image
Storage
Thru CFC
-
AMI Bus(X1 bus)
100-pin B2B conn w/
buffer drive
Yes
Feature
Extension Bus
(X2 Bus)
100-pin B2B conn (the
conn. Include PCI,ZV &
SD/MMC I/F)
Yes
Watch Dog
PXA255 Built-in
-
RTC
EVA-C210 Built-in
-
System Backup
battery
For RTC/SDRAM
-
Serial Port
3x Full RS-232 (TTL);
1x 2-wires RS-232
(TTL);
1x 3-wires for RS-232
or RS-485
-
Ethernet
1x 10/100 Base-T
-
PCMCIA/
Compact Flash
2 Slots PCMCIA/CF or
1xPCMCIA & 1xCF
-
USB Host
2x USB 1.1 Host
-
USB Client
1x USB 1.1 Client
-
SD/MMC
1xCh( support 1 bit
memory mode)
PS/2
2x Ch for K/B & MS
-
LCD( TTL level)
Up to VGA LCD-16-bit
TFT/STN/DSTN
-
T/S
4-wire resistive
Yes
Audio Codec
AC’97 codec on board.
Support Mic-in,
Line-in, Line-out
speaker-out
Yes
Buzzer control
Yes
-
SM Bus
Yes
-
