Setup
3.
The GUI looks like
. Notice the change in ADC[4] through ADC[0] in register 0x07, as well as
the
UART
bit going high in register 0x0A.
Figure 6. TSU6721EVM GUI Showing ID Detection of a UART Cable
4. Remove the 150-k
Ω
resistor.
5. Attach a micro-USB cable from the PC to J15 on the TSU6721EVM. As most PCs are considered USB
Standard Downstream Port (SDP) or Charging Downstream Port (CDP) chargers, the TSU6721 closes
the appropriate switches as specified in Table 4 on the TSU6721 datasheet.
11
SLVUA77 – May 2014
TSU6721EVM Micro-USB Switch Evaluation Module
Copyright © 2014, Texas Instruments Incorporated
