US 12,223,101 B2
Hardware-based security authentication
Gregory Allen North, Austin, TX (US); Per Torstein Roine, Oslo (NO); and Eric Thierry Jean Peeters, Volente, TX (US)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed on Oct. 5, 2023, as Appl. No. 18/376,928.
Application 18/376,928 is a continuation of application No. 17/962,627, filed on Oct. 10, 2022, granted, now 11,783,097.
Application 17/962,627 is a continuation of application No. 17/122,234, filed on Dec. 15, 2020, granted, now 11,468,202, issued on Oct. 11, 2022.
Prior Publication US 2024/0028779 A1, Jan. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 21/85 (2013.01); G06F 13/28 (2006.01); G06F 15/78 (2006.01)
CPC G06F 21/85 (2013.01) [G06F 13/287 (2013.01); G06F 15/7807 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
a first logic circuit including an input and an output;
a second logic circuit including an input and an output;
an input/output (I/O) cell circuit including an input coupled to the output of the first logic circuit, wherein the input of the I/O cell circuit is also coupled to the output of the second logic circuit; and
a control register including a first field coupled to the input of the first logic circuit, a second field coupled to the input of the second logic circuit.