US 12,079,055 B2
Input-output voltage control for data communication interface
James Lionel Panian, San Marcos, CA (US); John Eaton, San Diego, CA (US); Lakshmi Baskaran, San Diego, CA (US); and Shrinivas Gopalan Uppili, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Sep. 21, 2022, as Appl. No. 17/949,968.
Prior Publication US 2024/0094792 A1, Mar. 21, 2024
Int. Cl. G06F 1/28 (2006.01); G06F 13/42 (2006.01); H03K 19/0185 (2006.01)
CPC G06F 1/28 (2013.01) [G06F 13/4221 (2013.01); H03K 19/018507 (2013.01); G06F 2213/0026 (2013.01)] 37 Claims
OG exemplary drawing
 
1. An apparatus for data communication, comprising:
an interface circuit configured to provide an interface with a wired data link, the interface circuit further configured to provide a voltage indication signal that is configurable to one of a plurality of voltage levels corresponding to a plurality of signal voltages, at least one of the plurality of voltage levels capable of indicating two or more of the plurality of signal voltages; and
a controller configured to operate the wired data link using a signal voltage indicated by the voltage indication signal.