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S1D13700

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actron

Post subject: S1D13700

Posted: Mon Oct 31, 2005 1:53

Joined: Mon Oct 31, 2005 1:40
Posts: 1

Hi,

I have a S1D13700 (SED1335 compatible) driving a Hitachi 320x240 LCD, configured in text mode, direct addressing mode.

The problem is that I write a character at 0,0 O.K but it is duplicated in the Y axis for the full height of the display!

Can anybody suggest an electronic reason this might happen?

My initialisation settings are.

MCR = 0x30
HCS = 0x07
VCS = 0x07
CBPR = 40
TBPR = 52
L/F = 239
AP = 41
SB1SA = 0
SB1SZ = 239

Thanks

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penjuin

Post subject:

Posted: Mon Oct 31, 2005 7:58

Joined: Sun Oct 16, 2005 10:10
Posts: 27
Location: Australia

im not an expert, but it sounds like a wiring error. Probably best if you recheck it all

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gsf

Post subject: S1D13700

Posted: Mon Jan 22, 2007 10:08

Joined: Wed Jan 17, 2007 22:37
Posts: 2

What wiring connection do you use?
The LPT one!

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