Texas Instruments Incorporated
HARDWARE CONTROL PATH REDUNDANCY FOR FUNCTIONAL SAFETY OF PERIPHERALS

Abstract:

Techniques including receiving a first control value, starting a timeout counter based on receiving the first control value, receiving a second control value, determining whether the second control value is received before the timeout counter expires, and based on the determination that the second control value is received before the timeout counter expires: determining whether the first control value is the same as the second control value, and loading the first control value into a set of control registers based on the determination that the first control value is the same as the second control value.