US 12,423,217 B2
Test codes for secure test mode on math assistance devices
Trevor Thomas Chapman, Allen, TX (US); Stephen B Loe, Dallas, TX (US); Malgorzata Anna Brothers, Plano, TX (US); Matt Thomas Nicolosi, Delaware, OH (US); and Michel Georges Stella, Dallas, TX (US)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by Texas Instruments Incorporated, Dallas, TX (US)
Filed on Aug. 27, 2021, as Appl. No. 17/458,544.
Claims priority of provisional application 63/116,310, filed on Nov. 20, 2020.
Prior Publication US 2022/0164307 A1, May 26, 2022
Int. Cl. G06F 11/3668 (2025.01); G06F 21/74 (2013.01)
CPC G06F 11/368 (2013.01) [G06F 11/3684 (2013.01); G06F 21/74 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A method for test configuration on a first math assistance device, the method comprising:
receiving a test code by the first math assistance device, wherein the test code comprises one or more functionality restrictions; and
entering secure test mode on the first math assistance device with the one or more functionality restrictions.