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 Post subject: hello friends!!!
PostPosted: Mon Jul 16, 2007 8:25 am 
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Joined: Fri Jul 13, 2007 1:14 pm
Posts: 3
Location: INDIA
hiiii!:D I am new to this embedded field.We are working on AT91EB40a Evaluation board.It provides EBI and PIO connector of 32-pins each.We want to interface the 16-bit ST7565P Sitronix LCD with the board using both PIO and EBI connectors.We have done this Successfully via PIO.But through EBI,we are facing problems.We are only writing 8-bit data to the LCD.we are not using any other external devices except LCD,hence no interrupts.
In Pio mode programming,we are generating Chip select,write,read..signals 4m PIO pins.But in case of EBI mode,we have to generate all these control signals from EBI pins itself.We are using NCS0,NWR0,NRD.We are Using EBI_CSR2.But the control signals are not generated.And the data is not latched on to LCD.
please help us.

thanking you,

_________________
Santhosh


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