This sd socket has the 10th and 11th pins labeled a bit confusing
the package has pin 10 as WP and pin 11 as CD
but the pins have pin 10 as CD and pin 11 as WP
Which is correct the package description or the pin description
I dont want to make a set of coasters !!
They are not physically connected to the SD card itself. They are just to the connector, verifying card insertion (CD) or write protect enabled (WD).
We will be posting a schematic soon!
I understand that it is not connected to the sd card only the connector.
I want to use the CD feature and if I get pcb produced with the pin to wp I will not be able to tell if a card is inserted.
I checked the spec sheet listed on the site but could not find a pinout on the pdf provided.
If you can, get one of the sockets and beep it out, just route both pins 10 and 11 back to your micro either directly (if you have a spare I/O pin) or thru two 0-ohm resistors (only load one).
/mike
Could someone from SparkFun please clarify what is the correct pin for CD on this part.
The package CD
or
the Pin CD.
An answer would be greatly appreciated !
…
We apologize. I was not getting auto responding emails from the forum so was unaware of a response.
For future (for everyone!), emailing us directly at techsupport@sparkfun.com is the best way to contact us regarding these issues. Emails take first priority for us as our volume has increased proportionately with our sales.
Moving on…
On our breakout board (BOB-00204), COM and CD short when a card is inserted. When no card is present, there is not a short between them. The same thing happens with WP and COM if a card is inserted with the write protect switch engaged.
Does that answer your questions? Sorry for the delay, I just didn’t see the post until now.
No that does not answer my question here it is again…
In the eagle library part
This sd socket has the 10th and 11th pins labeled a bit confusing
the package has pin 10 as WP and pin 11 as CD
but the pins have pin 10 as CD and pin 11 as WP
Which is correct the package description or the pin description
Open the part in eagle and you will see what I am talking about.
I am in Eagle. I am not seeing this discrepancy.
Email us directly and I can send you the Eagle files for the breakout board which show the pinouts better. I have verified it’s correct.
Okay for all of you that may have been wondering the PIN labels are the correct signal names !!!
The Part has the CD and WP labels swapped.
Thanks for your help Robert !!
I just took a look at this. In the SFE library that I have, these labels and pin definitions are the same.
I think you are confused by the schematic symbol and thinking it has some relation to the actual physical layout. The schematic symbol can have those pins in any order or anyplace. It means nothing to the physical layout, those pins are attached to the physical footprint in the library package definition.