US 12,292,771 B2
Single-wire interface protocol to synchronize device states between multiple devices
Karl John Wallinger, Dallas, TX (US); and Kevin William Brandon, Plano, TX (US)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by Texas Instruments Incorporated, Dallas, TX (US)
Filed on Apr. 28, 2023, as Appl. No. 18/141,258.
Prior Publication US 2024/0361816 A1, Oct. 31, 2024
Int. Cl. G06F 1/26 (2006.01)
CPC G06F 1/26 (2013.01) 20 Claims
OG exemplary drawing
 
1. A logic circuitry for a first device, the logic circuitry including:
transmit circuitry configured to pull a terminal of the first device to a first logic value for a first duration corresponding to a first command to be communicated via the terminal, wherein:
the first duration is one of a plurality of at least three possible durations corresponding respectively to a plurality of possible commands including the first command; and
the plurality of possible commands is associated with device operation states synchronized between the first device and a second device coupled to the terminal; and
receive circuitry configured to monitor the terminal.