Advantech RISC SOM-A2558 - Manual (Page 26)

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User’s Manual for Advantech SOM-A2558 series module V1.00
26
Up/Down Control. Advantech
suggests to connect the pin to
DS1804 2
nd
pin.
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
Sync input of the LCD panel. For
STN displays, this output connects
to the Frame Clock input of the
LCD panel.
This output indicates the start of a
new frame of pixels. The panel
needs to reset its line pointers to
the top of the screen.
No pulling
197 LP_HSYNC O Flat Panel TFT Vertical Sync/STN
Frame Pulse. For TFT displays,
this output connects to the Vertical
No pulling