Search found 3 matches

by FelixH
Fri May 10, 2019 1:08 pm
Forum: Troubleshooting
Topic: Alpha 800 - potential HW USB issues
Replies: 0
Views: 1130

Alpha 800 - potential HW USB issues

I am trying to operate a USB 3 Vision Camera, connected with USB3 Vision compliant cables, with a Latte Panda Alpha 800. The operating system is Linux. The camera run very unstable with the 1.5m long USB 3 cable directly connected to the device. I experience the following issues: Frame Drops Partial...
by FelixH
Mon May 06, 2019 4:13 pm
Forum: Technical Discussion
Topic: How to get 3.3v or 5v i2c devices work?
Replies: 7
Views: 2135

Re: How to get 3.3v or 5v i2c devices work?

re: I2C 1.8V See diagram from LP Alpha itself http://docs.lattepanda.com/content/alpha_edition/io_playability/ first picture over there (which is: https://i.imgur.com/kor7zdt.png ) Q2 A2: it's from Intel CPU datasheet: download from Intel datasheet (3 volumes, totaling more than thousand pages) Tha...
by FelixH
Mon May 06, 2019 1:56 pm
Forum: Technical Discussion
Topic: How to get 3.3v or 5v i2c devices work?
Replies: 7
Views: 2135

Re: How to get 3.3v or 5v i2c devices work?

These are i2c buses that are used for display control i2c-3 i2c i915 gmbus dpc I2C adapter i2c-6 i2c DPDDC-C I2C adapter i2c-4 i2c i915 gmbus dpb I2C adapter i2c-5 i2c i915 gmbus dpd I2C adapter So it has to be one of these i2c-2 i2c Synopsys DesignWare I2C adapter I2C adapter i2c-1 i2c Synopsys Des...