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use gain=10 and single ended signal?
I can read my elcheapo mic using two 330k Rs from 5v for 2.5v bias, and a cap from the mic and gain=1, but signal is only about 100mv. If I read channel 9, it reads ch0 and ch0...
Saturday, 13 January 2007 - 03:19
How to install AVR studio 3.56 and AVR studio 4.12?
I think the Olimex jtag works fine with the old studio, use new one for everything else. Install wanted to uninstall 4.12 when I tried to install 4.10...
Saturday, 13 January 2007 - 02:20
2.56V vref tolerance?
I see the bandgap voltage (a/d channel 30) is nominally 1.23V, and has a max and min of 1.15v and 1.35v. The 2.56V a/d vref is derived from the bandgap. Is it laser trimmed? Is...
Tuesday, 9 January 2007 - 22:51
Atmel Product Guide avail for download
I looked at the 2006 atmel product guide pdf... wow theres a whole bunch of stuff in there.. what are zlinks? Any one know about the rtos dev kit? How come the hi end avrs dont...
Saturday, 9 December 2006 - 14:19
mega162 uarts?
Trying to init uarts on a mega162 for the first time. 1st prob was clkdiv fuse was det by default... still cant get anything out of the uarts. Should it be exactly the same as a...
Thursday, 16 November 2006 - 18:21
porting from old style cbi sbi inp outp to std c
I want to compile an old style gcc program that is full of cbi sbi inp and outp with another compiler (iccavr not iar). I'd like to use the c preprocessor once to convert these...
Tuesday, 7 November 2006 - 19:55
HV parallel erase using STK500
I asked about this before, but I'm still trying to figure out if I can HV erase a mega32 TQFP soldered on a board. I have a couple dozen bds from a run. I think the tech didnt...
Thursday, 24 August 2006 - 17:41
video generation projects?
There are several projects that claim to have generated wonderful graphics displays on ntsc video monitors. Evidently, they use a 2 resistor d/a converter to generate the white...
Sunday, 16 July 2006 - 15:05
Table of a/d sampling rates for 16mhz
I timed how many a/d converts I got per sec for each divisor 0x80 95700 0x81 95700 0x82 84136 0x83 65658 0x84 46259 0x85 28281 0x86 15917 0x87 8492 I have no idea how many bits I...
Wednesday, 12 July 2006 - 03:28
Does Erase Device erase fuses on the STK500?
Sorry for the cross post, but noone ever reads the avrstudio forum questions, and I'm completely stumped on my 'erase fuses without unsoldering tqfp chip' problem. I have this...
Tuesday, 27 June 2006 - 21:47
stk500 & avrstudio: HV erase fuses?
I spent a couple hundred bux on an adapter probe that fits over the TQFP44 mega16 and made a custom wire harness to the stk500 prog and ctrl headers and the rst, vtg, xtal1, and...
Tuesday, 27 June 2006 - 19:45
48/88/168 dev board?
Do the mega48, 88 and 168 28 pin avrs have the same pinout? Do they all have the rx and tx on portd? Will the Olimex 28 pin dev board take a 168?? Questions questions.
Wednesday, 7 June 2006 - 00:35