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List:       uclinux
Subject:    Re[2]: [UCLINUX] LM32019T LCD unit
From:       byonic () gmx ! net
Date:       2001-01-22 17:31:50
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Hello Tom,

Monday, January 22, 2001, 4:43:35 PM, you wrote:


TW> The LM32019T is a Sharp LM32019 display with a Touch Glass bonded to
TW> it.  These LCD's are raster devices which contain a set of shift
TW> registers for the column drivers and have a row counter / driver.  A
TW> digital data stream is "pumped" into it using the Data & Clock lines. 
TW> This data stream contains the pixels for one row, you have to
TW> continuously pump each row of data into the device to build an image
TW> Frame.  These Frames must be "refreshed" at a 75Hz rate.

TW> This is a purely graphics display, it is not a display that is
TW> interfaced with an RS232 serial port, nor a parallel printer port.  The
TW> display can only be used with an LCD controller.  Microprocessors such
TW> as the MC68EZ328 contain an integrated LCD controller.  This is the
TW> Sharp data sheet on the LCD:
TW> 'http://www.openhardware.net/ez328simm/technotes/Sharp-LM32019.pdf'


TW> TomW


 Thank you very much for the information, I understand the LM32019T
 better now and I think that I'll manage to "run" these unit now.


-- 
Best regards,
 byonic                            mailto:byonic@gmx.net

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