Search found 3 matches

by ve7ihl
Tue May 11, 2021 6:59 pm
Forum: PicoScope 6 for Windows
Topic: 1-Wire Bus decoding issue ?
Replies: 5
Views: 3806

Re: 1-Wire Bus decoding issue ?

I have provide a .psdata file showing the 1-wire bus decoding. Also did a JPG of the scope screen capture. You can see that the 1st "command code" being decoded is 0xAA, where it should be 0x55 (Match ROM command). I am not sure what is wrong with my setup?
by ve7ihl
Sun May 09, 2021 8:29 pm
Forum: PicoScope 6 for Windows
Topic: 1-Wire Bus decoding issue ?
Replies: 5
Views: 3806

Re: 1-Wire Bus decoding issue ?

Looking at the actual waveform (with a different bench scope), the waveform looks correct (not inverted). If I try the "inverted" selection on the 1-Wire-bus decoder settings panel, it then dopes not decode anything. it just seems as if the picoscope software is decoding the waveform backwards (MSB ...
by ve7ihl
Sat May 08, 2021 1:34 pm
Forum: PicoScope 6 for Windows
Topic: 1-Wire Bus decoding issue ?
Replies: 5
Views: 3806

1-Wire Bus decoding issue ?

I have board using an Atmel 2651 MCU using a port pin that is driving a 1 wire bus to 3 DS2433 eeprom devices. The bus has a 4k7 pull-up resistor to VCC (+5v). I am using a 2205A Pico scope. It is working as expected. When using the Picoscope6 software (Windows) it appears as if the software is deco...