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Strange behaviour of Nokia 3410

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Post subject: Strange behaviour of Nokia 3410

Posted: Mon Oct 06, 2008 21:18

Joined: Mon Oct 06, 2008 20:32
Posts: 1

Hi, I have two Nokia 3410 (PCD8544 based) LCDs connected to AVR. One works fine. On the second one there are missing first 3 bits of the picture (bits 0 - 2 of each byte of row 0 are not shown). And on the row 8 (ninth) are shown 4 bits instead of 1. It is annoying to fold bits of two row of text into one byte to send to LCD.
It seems like there is viewport shift. But in datasheets PCD8544 and OM6206 there is no such commands.
Could somebody help me?
Thanks,
Karel.

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