Search found 3 matches

by mars2
Sun Jul 09, 2017 12:29 am
Forum: XMOS Devices
Topic: XHRA-2HPA USB power detection
Replies: 4
Views: 6594

Re: XHRA-2HPA USB power detection

Thanks a lot, mon2 for your few :-), and very detailed comments! 1) After flashing my first device (Spansion S25FL1, as recommended) in QSPI mode with the XMOS supplied firmware, I had to recognize, that I bought the wrong flash type, resp. the one with quad mode disabled. Since I couldn`t set this ...
by mars2
Sat Jul 08, 2017 11:38 am
Forum: XMOS Devices
Topic: XHRA-2HPA USB power detection
Replies: 4
Views: 6594

XHRA-2HPA USB power detection

I have a few questions regarding the power detection of the XHRA-2HPA. Since I want to isolate my I2S board from USB, I use digital isolators and an independent power supply. Pin 23, the USB_VBUS USB power detection is isolated and driven over an optocoupler circuit. I don`t need any 5 volts, except...
by mars2
Fri Oct 30, 2015 3:28 pm
Forum: Q&A
Topic: XHRA-2HPA Power supply
Replies: 1
Views: 1761

XHRA-2HPA Power supply

<t>Hello,<br/> <br/>  <br/> <br/> I`m just on the way building my own USB to I2S bridge with the XHRA-2HPA.<br/> <br/> Since I want to power different sections of the chip independently, I would like to know the approximate power consumption of the 1V0_VDD supply. The datasheet states an active VDD ...