Search found 6 matches

by nikosxan
21 Jun 2010 04:37
Forum: Development Boards
Topic: Blown 16F887 ?
Replies: 5
Views: 1832

Re: Blown 16F887 ?

If you tried reprogramming it and it does not responde at all (but board works ok with another) it should be bad...........
by nikosxan
10 Jun 2010 15:50
Forum: mikroC General
Topic: 23K256 SRAM interfacing problem
Replies: 5
Views: 3599

Re: 23K256 SRAM interfacing problem

It works OK. I've used it succesfully in a project that stores sound samples in it and it works Flawlessly ........
by nikosxan
02 Jun 2010 22:12
Forum: mikroC General
Topic: 23K256 SRAM interfacing problem
Replies: 5
Views: 3599

Re: 23K256 SRAM interfacing problem

For H/W connections I wired HOLD pin to 3.3V......., CS to PIC pin for selection....

CS should be High and pulled low just before send an SPI command.....

Check microe code and pdfs for H/W setup from
http://www.mikroe.com/eng/products/view ... ram-board/
by nikosxan
02 Jun 2010 22:06
Forum: mikroC General
Topic: 23K256 SRAM interfacing problem
Replies: 5
Views: 3599

Re: 23K256 SRAM interfacing problem

For testing operation i used a simple loop : char b,c; for (b=1; b<20; b++) { Write_Data(10+b, b); c=Read_Data(10+b); portb=c; // show data read Delay_ms(300); } My advice : try to make a simple program JUST to test the above as main + Write / Read roytines ..... If this works OK copy paste code to ...
by nikosxan
02 Jun 2010 22:01
Forum: mikroC General
Topic: 23K256 SRAM interfacing problem
Replies: 5
Views: 3599

Re: 23K256 SRAM interfacing problem

Hello I've had similar problem with same device and 18F2525 (@ 32MHZ) Solved it just 5 min before.............. I'm using routines below for write / read data and default SPI init procedure. Should work OK !! void Write_Data(unsigned int address, unsigned short dat){ SramCS = 0; // Select SerialRAM ...
by nikosxan
24 Nov 2007 14:24
Forum: Development Boards
Topic: Problem getting started w/EasyPIC 4
Replies: 5
Views: 3030

Boards Power + programming

Hello, i'm a new user of a Easy PIC 4 board...

Had the same problem...PC unable to see borad.... Only when i had power supply installed worked OK

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