Product Drawings

9.
Connect the negative lead of the DMM to the USB plug's GND pin on the breakout board.
10.
Record the voltage, V
GND
in mV, from the DMM.
11.
Calculate the total resistance: DCR = (V
VBUS
+ V
GND
) / 100
72.6.2.2.5 USB-C CC Pull-Down
Use the USB-C receptacle breakout board.
1.
Configure the DMM to perform a resistance measurement.
2.
Connect the positive lead of the DMM to the USB plug's CC pin on the breakout board.
3.
Connect the negative lead of the DMM to the USB plug's GND pin on the breakout board.
4.
Verify that the resistance is within 5% of 5.1 kΩ.
2022-04-26 | Copyright © 2022 Apple Inc. All Rights Reserved.
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72.6 Test Procedures