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fischer
Associate II
August 17, 2004
Question

active high chip select grrrr

  • August 17, 2004
  • 2 replies
  • 727 views
Posted on August 17, 2004 at 08:16

active high chip select grrrr

This topic has been closed for replies.

2 replies

fischer
fischerAuthor
Associate II
May 17, 2011
Posted on May 17, 2011 at 12:02

thats it, i already found it.

i do not do so using other active low cs, there is no such problem ??!!

i do not use the _wr or _rd signals to gate the 2 other active low cs i use.

-strange-

why?

thanks !!!!!!!!!!!!!!!!!!

fischer
fischerAuthor
Associate II
May 17, 2011
Posted on May 17, 2011 at 12:02

hallo,

my active high chip select on porta is much longer than the data is valid

that i write to an lcd. ???!!!!

in psdexpress i select active high chip select for PA7

// PSD settings

// aaaaaaaaaaa

Bporta_dir=0x8D; // input=0

Bporta_data_out=0x7F;

Bporta_oe=0x81;

whats wrong?