Difference between revisions of "83Plus:Ports:13"

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(Created page with '13 - LCD Data MirrorLCD Data Mirror 13 - LCD Data Mirror[[Category:83:Port…')
 
 
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'''Function:''' LCD Data port mirror
 
'''Function:''' LCD Data port mirror
  
I have no clue why, but this is a mirror of port 11h.
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This asserts a second chip select line from the ASIC. I suspect the CS line may not be present on later pin-reduced chips. The mirror is still present on the TA1 ASIC.
  
  
 
== See Also ==
 
== See Also ==
 
* [[83Plus:Ports:11|Port 11]] - LCD data port
 
* [[83Plus:Ports:11|Port 11]] - LCD data port
* [http://wikiti.denglend.net/stuff/t6a04.pdf LCD driver datasheet]
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* [https://archive.org/details/t6a04a-datasheet LCD driver datasheet]

Latest revision as of 17:42, 3 March 2020

Synopsis

Port Number: 13h

Function: LCD Data port mirror

This asserts a second chip select line from the ASIC. I suspect the CS line may not be present on later pin-reduced chips. The mirror is still present on the TA1 ASIC.


See Also