Question

DEVICE_Init performs what?

(a) Disabling watchdog timer and disabling APB clock

(b) Enabling APB clock and enabling watchdog timer

(c) Disabling watchdog timer and enabling APB clock

(d) Disabling APB clock and enabling watchdog timer

I had been asked this question in quiz.

This interesting question is from USB Bootloader topic in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Answer 1

Correct answer is (c) Disabling watchdog timer and enabling APB clock

For explanation: The DEVICE_Init routine performs the following functions:

–> Disables the watchdog timer and enables the APB clock

–> Determines the amount of Flash and RAM in the device

–> Check all internal and external automatic trigger sources.