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User’s Manual for Advantech SOM-A2558 series module V1.00
17
RECD SOM
is a powerful and helpful architecture for internal or users use
to implement a RISC system. There are three types of interfaces. One is
SO-DIMM 200 gold finger interface and two 100-pin B2B connectors.
Pin Definition
¦JP1 PXA255 JTAG pin header
Pin Num.
Description
Note
1
TCK
2
TDI
3
TDO
4
TMS
5
nJTAGTRST
6
GND
7
nRESET
Pin type
P : DC power pin or system ground pin
I : digital input pin
O : digital output pin
IO : bidirectional pin
AI : analog input pin
AO : analog output pin
- : no function
¦SODIMM-200 Pin Out Table (X2)
Pin
No.
Signals
Typ
e
Description
Default state
1
SA_SKT_D0
AIO PCMCIA/CF data 0
No pulling
2
SA_SKT_D8
IO PCMCIA/CF data 8
No pulling
3
SA_SKT_D1
IO PCMCIA/CF data 1
No pulling
4
SA_SKT_D9
IO PCMCIA/CF data 9
No pulling
5
SA_SKT_D2
IO PCMCIA/CF data 2
No pulling
6
SA_SKT_D10
IO PCMCIA/CF data 10
No pulling
7
SA_SKT_D3
IO PCMCIA/CF data 3
No pulling
8
SA_SKT_D11
IO PCMCIA/CF data 11
No pulling
9
SA_SKT_D4
IO PCMCIA/CF data 4
No pulling
10
SA_SKT_D12
IO PCMCIA/CF data 12
No pulling
11
SA_SKT_D5
IO PCMCIA/CF data 5
No pulling
12
SA_SKT_D13
IO PCMCIA/CF data 13
No pulling
13
SA_SKT_D6
IO PCMCIA/CF data 6
No pulling
14
SA_SKT_D14
IO PCMCIA/CF data 14
No pulling
15
SA_SKT_D7
IO PCMCIA/CF data 7
No pulling
16
SA_SKT_D15
IO PCMCIA/CF data 15
No pulling
17
SA_SKT_A14
IO PCMCIA/CF address 14
No pulling
