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User’s Manual for Advantech SOM-A2552 series module V1.00
34
B36
MMDAT3/
MMCCS0
O
Chip select pin for MMC controller.
If user doesn’t need MMC/SD
function, user could use this pin as
GPIO. The pin connects to SoC
PXA255 GPIO8.
No pulling (For
SOM-255F is
MMCCS0)
A36
MMCMD IO
Multimedia Card Command.
Pull high with
10Kohm
B37
MMDAT0 IO
Multimedia Card Data pin.
Pull high with
10Kohm (For
SOM-255F is
MMCDAT)
A37
N.C. - N.C. float this pin. -
B38
N.C. - N.C. float this pin. -
A38
N.C. - N.C. float this pin. -
B39
N.C. - N.C. float this pin. -
A39
N.C. - N.C. float this pin. -
B40
ZV15 I
16-bit R[4] video pixel input for
RGB
5:6:5 mode or Y[7] video pixel input
for YUV 4:2:2 mode.
No pulling
A40
ZV14 I
16-bit R[3] video pixel input for
RGB
5:6:5 mode or Y[6] video
pixel input
for YUV 4:2:2 mode.
No pulling
B41
ZV13 I
16-bit R[2] video pixel input for
RGB
5:6:5 mode or Y[5] video pixel input
for YUV 4:2:2 mode.
No pulling
A41
ZV12 I
16-bit R[1] video pixel input for
RGB
5:6:5 mode or Y[4] video pixel input
for YUV 4:2:2 mode.
No pulling
B42
ZV11 I
16-bit R[0] video pixel input for
RGB
5:6:5 mode or Y[3] video pixel input
for YUV 4:2:2 mode.
No pulling
A42
ZV10 I
16-bit G[5] video pixel input for
RGB 5:6:5 mode or Y[2] video pixel
input for YUV 4:2:2 mode.
No pulling
B43
ZV9 I
16-bit G[4] video pixel input for
RGB 5:6:5 mode or Y[1] video pixel
input for YUV 4:2:2 mode.
No pulling
A43
ZV8 I
16-bit G[3] video pixel input for
RGB 5:6:5 mode or Y[0] video pixel
input for YUV 4:2:2 mode.
No pulling
B44
ZV7 I
16-bit G[2] video pixel input for
RGB 5:6:5 mode, U[7] video pixel
input for YUV 4:2:2 mode, or V[7]
video pixel input for YUV 4:2:2
No pulling