Advantech SOM-A2552 manual Lphsync

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User’s Manual for Advantech SOM-A2552 series module V1.00

			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.
197	LP_HSYNC	O	Flat Panel TFT Vertical Sync/STN	No pulling
			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.
198	GND	P	Ground	-
199	M_DE	O	Flat Panel Display Enable. This	No pulling
			signal is used as a data enable
			when the pixel clock needs to latch
			pixel data.
200	SHCLK	O	Flat Panel Pixel Clock. The active	No pulling
			edge of FPCLK is programmable.
			The LCD panel uses this clock
			when loading pixel data into its
			Line Shift register. This signal
			connects to the TXCLK input of the
			LVDS transmitter.

¦100-pin B2B connector Pin Out Table (X1 connector, For AMI interface)

Pin	Signals	Type		Description		Default
No.						state
			Static chip selects. Chip selects to
			static memory devices such as ROM
			and	Flash.	Individually
			programmable in the		memory
			configuration registers. This pin can			Pull-high
			be used	with variable latency I/O
B1	nBUF_CS2	O				with 100K
			devices. nBUF_CS2 directly connect			ohm
			to SoC PXA255 nCS2. User could
			use this pin as chip select pin to
			control the solution IC on carrier
			board. This pin is reserved for user
			to use.

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