Search found 30 matches

by chrispol
Wed Jun 29, 2011 7:16 am
Forum: NetBurner Software
Topic: qspi multiple devices
Replies: 5
Views: 3732

Re: qspi multiple devices

When you do a qspistart how do you select which chip you want then?
by chrispol
Mon Jun 27, 2011 6:47 am
Forum: NetBurner Hardware
Topic: 5282 spi 5v
Replies: 1
Views: 2210

5282 spi 5v

Anyone know if the 5282 is 5v tolerant on the spi bus? or do we need a level converter?
by chrispol
Thu Jun 16, 2011 10:22 am
Forum: NetBurner Hardware
Topic: Mod5282 Encoder
Replies: 13
Views: 8619

Re: Mod5282 Encoder

Here is what i'm thinking, filter caps are missing it's just a quick drawing
by chrispol
Wed Jun 15, 2011 7:04 am
Forum: NetBurner Hardware
Topic: Mod5282 Encoder
Replies: 13
Views: 8619

Re: Mod5282 Encoder

oups ls7766do not using the HCTL2022 have ls7766do's in hand 7766 D0-D7 to D24-31 through 74lcxr2245 configured as bi directional 7766 RS0-2 to A32-34 through 74lcxr2245 configured as out only 7766 CS to cs1 through 74lcxr2245 7766 WR to D23 through 74lcxr2245 7766 RD to D22 through 74lcxr2245 7766 ...
by chrispol
Wed Jun 15, 2011 5:56 am
Forum: NetBurner Hardware
Topic: Mod5282 Encoder
Replies: 13
Views: 8619

Re: Mod5282 Encoder

having problems finding documentation on interfacing and using the databus, anyone have any info?

Thanks
by chrispol
Wed Jun 15, 2011 5:35 am
Forum: NetBurner Hardware
Topic: Mod5282 Encoder
Replies: 13
Views: 8619

Re: Mod5282 Encoder

Yes use a 7hc02 to qualify the chip select and the read/write signals, use a 'hc244 buffer between the chip and the databus that is selected by the '02 parts with the 7760 parts you don't need the '244 or the '02 parts, you use the QSPI to talk to the 7760 parts along with two QSPI chip select sign...
by chrispol
Tue Jun 14, 2011 11:47 am
Forum: NetBurner Hardware
Topic: Mod5282 Encoder
Replies: 13
Views: 8619

Re: Mod5282 Encoder

Speed is an issue looking into using a couple of lcxr2245's and the 7760do, just trying to narrow down the clock source... and am i right on thinking i can use the j1 data bus pins for this?
by chrispol
Tue Jun 14, 2011 6:50 am
Forum: NetBurner Hardware
Topic: Mod5282 Encoder
Replies: 13
Views: 8619

Re: Mod5282 Encoder

was looking at that one but we order all our stuff from digikey...
by chrispol
Tue Jun 14, 2011 6:18 am
Forum: NetBurner Hardware
Topic: Mod5282 Encoder
Replies: 13
Views: 8619

Mod5282 Encoder

I have to read 2 encoders with my 5282, and was wondering if i could use a hctl-2022, this counter uses an 8 bit interface so i could plug it into the data bus on j1 right?
by chrispol
Fri Mar 04, 2011 6:12 am
Forum: NetBurner Hardware
Topic: Autoupdate Corruption
Replies: 6
Views: 4412

Re: Autoupdate Corruption

tried another app that was compiled a long time ago different sdk version and flashing works fine with autoupdate, same board just different application... Sdk v 2_5_2 #include "predef.h" #include <stdio.h> #include <ctype.h> #include <startnet.h> #include <autoupdate.h> extern "C&quo...