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by pm_embedded
Wed Jan 28, 2015 12:22 pm
Forum: USB PC Oscilloscopes
Topic: Serial decoding USB, infinite DATA 1 frame
Replies: 1
Views: 2059

Serial decoding USB, infinite DATA 1 frame

Looking at an Fullspeed USB communication at the A or B cables connected to analogue channel A and B, SOF, IN and SETUP tokens are viewed fine. However, the DATA 1 frame never ends!? The fine serial decoding list therefore always ends with a DATA 1 having a very long data field (Although only 8 byte...