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User’s Manual for Advantech SOM-A2552 series module V1.00
32
B50
MBGNT O
Memory Controller grant.
Notifies an
external device that it has been
granted the system bus. If user
wants to design a controller in CSB
with this pin function, please check
with ae.risc@advantech.com.tw
first.
If use doesn’t want to use this pin as
MBGNT, use could use the pin as
GPIO. The pin connects to SoC
PXA255 GPIO13.
Pull low
with 1Kohm
A50
3M6864 O
3.6864 MHz clock. Output
from
3.6864 MHz oscillator.
No pulling
¦100-pin B2B connector Pin Out Table (X3 connector for PCI, ZV port,
MMC interface and Misc. function)
Pin
No.
Signals Typ
e
Model Default state
B1 N.C. - N.C. just float this pin. -
A1 N.C. - N.C. just float this pin. -
B2 N.C. - N.C. just float this pin. -
A2 N.C. - N.C. just float this pin. -
B3 N.C. - N.C. just float this pin. -
A3 N.C. - N.C. just float this pin. -
B4 N.C. - N.C. just float this pin. -
A4 N.C. - N.C. just float this pin. -
B5 N.C. - N.C. just float this pin. -
A5 N.C. - N.C. just float this pin. -
B6 N.C. - N.C. just float this pin. -
A6 N.C. - N.C. just float this pin. -
B7 N.C. - N.C. just float this pin. -
A7 N.C. - N.C. just float this pin. -
B8 N.C. - N.C. just float this pin. -
A8 N.C. - N.C. just float this pin. -
B9 N.C. - N.C. just float this pin. -
A9 N.C. - N.C. just float this pin. -
B10
GND P Ground -
A10
N.C. - N.C. just float this pin. -
B11
N.C. - N.C. just float this pin. -
A11
N.C. - N.C. just float this pin. -
B12
N.C. - N.C. just float this pin. -
A12
N.C. - N.C. just float this pin. -
B13
N.C. - N.C. just float this pin. -
A13
N.C. - N.C. just float this pin. -
B14
N.C. - N.C. just float this pin. -
A14
GND P Ground -
B15
N.C. - N.C. just float this pin. -