Advantech RISC Module SOM-A2552 User Manual
Page 24
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User’s Manual for Advantech SOM-A2552 series module V1.00
24
pin. Advantech suggests to
connect the pin to DS1804 1
st
pin.
164
CRT_HSYNC AO Horizontal sync for the CRT.
No pulling
165
VCONR_CS
O One of STN LCD contrast control
signals. VCONR_CS is used be
chip select pin. Advantech
suggests to connect the pin to
DS1804 7
th
pin.
No pulling
166
CRT_VSYNC AO Vertical sync for the CRT.
No pulling
167
VCONR_UnD
O One of STN LCD contrast control
signals. VCONR_UnD is used be
Up/Down Control. Advantech
suggests to connect the pin to
DS1804 2
nd
pin.
No pulling
168
CRT_SDA
- Reserved for future use. User can
connect the pin to CRT I2C data
pin or just float it.
Pull high with
4.71Kohm
169
CRT_CLK
- Reserved for future use. User can
connect the pin to CRT I2C clock
pin or just float it.
Pull high with
4.71Kohm
170
B0
O B0 in 24-bit TFT mode.
No pulling
171
B1
O B in 24-bit TFT mode.
No pulling
172
B2
O B in 24-bit TFT mode.
No pulling
173
B3
O B in 24-bit TFT mode.
No pulling
174
B4
O B in 24-bit TFT mode.
No pulling
175
B5
O B in 24-bit TFT mode.
No pulling
176
B6
O B in 24-bit TFT mode.
No pulling
177
B7
O B in 24-bit TFT mode.
No pulling
178
G0
O G in 24-bit TFT mode.
No pulling
179
G1
O G in 24-bit TFT mode.
No pulling
180
G2
O G in 24-bit TFT mode.
No pulling
181
G3
O G in 24-bit TFT mode.
No pulling
182
G4
O G in 24-bit TFT mode.
No pulling
183
G5
O G in 24-bit TFT mode.
No pulling
184
G6
O G in 24-bit TFT mode.
No pulling
185
G7
O G in 24-bit TFT mode.
No pulling
186
R0
O R in 24-bit TFT mode.
No pulling
187
R1
O R in 24-bit TFT mode.
No pulling
188
R2
O R in 24-bit TFT mode.
No pulling
189
R3
O R in 24-bit TFT mode.
No pulling
190
R4
O R in 24-bit TFT mode.
No pulling
191
R5
O R in 24-bit TFT mode.
No pulling
192
R6
O R in 24-bit TFT mode.
No pulling
193
R7
O R in 24-bit TFT mode.
No pulling
194
N.C.
- N.C. just float this pin.
-
195
N.C.
- N.C. just float this pin.
-
196
FLM_VSYNC
O Flat Panel TFT Vertical Sync/STN
Frame Pulse. For TFT displays,
this output connects to the Vertical
No pulling