Pinout of ultra 2 soundcard

Moderator: flatmax

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mario-1024
Posts: 1
Joined: Sun Dec 09, 2018 2:06 am

Pinout of ultra 2 soundcard

Post by mario-1024 » Sun Dec 09, 2018 2:47 am

Hello everybody,

I would like to add the sound card to a project with limited space and wonder which pins of the raspberry connector it actually uses so that I do not have to wire all 40 pins. Is there a documentation that I did not find yet which describes the connection to the raspberry pi?

Many thanks,

Mario

Lomax
Posts: 1
Joined: Fri Jan 18, 2019 6:54 am

Re: Pinout of ultra 2 soundcard

Post by Lomax » Fri Jan 18, 2019 7:15 am

I was looking for this information as well - finally found it on the Kickstarter campaign's FAQ page:
The shared pins are :
5v power : 2, 4
I2C (shared) : 3, 5
GND : 6, 9, 14, 17, 20, 25, 30, 34, 39
3.3v power : 1, 17

The reserved pins are :
I2S : 12, 35, 38, 40
Reset : 29

Wes Brenner
Posts: 4
Joined: Tue Jun 25, 2019 4:47 am

Re: Pinout of ultra 2 soundcard

Post by Wes Brenner » Wed Jun 26, 2019 11:30 am

Its just an oversight but pin 17 seems to be assigned to both 3.3V and ground.
Wes

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