MK24FN1M0VDC12: Regarding the 1.5k PU resistor for DP for USB2.0 FS

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

MK24FN1M0VDC12: Regarding the 1.5k PU resistor for DP for USB2.0 FS

290 Views
huijiejiang
Contributor I

Hi,

We are using the MK24FN1M0VDC12 USB as the USB2.0 FS device, there is an internal 1.5k PU resistor, is this PU resistor always enabled (connected between DP and USBVDD) or it will be disabled(disconnected from USBVDD) after the host recognizes the device as the FS device? 

Thanks!

0 Kudos
1 Reply

262 Views
miduo
NXP Employee
NXP Employee

Hello,

Actually this had been mentioned in the RM. See below:

pastedImage_1.png

So for USB FS device mode, the internal pull-up on D+ are enabled.

0 Kudos