ARM Architecture - Bus Architecture
Which register is commonly used to enable the peripheral clock in ARM Cortex-M microcontrollers?
Which register is commonly used to enable the peripheral clock in ARM Cortex-M microcontrollers?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify clock control registers
RCC (Reset and Clock Control) registers manage clocks for peripherals.Step 2: Select the correct RCC register
RCC_AHBENR enables clocks for peripherals on the AHB bus.Final Answer:
RCC_AHBENR -> Option BQuick Check:
Peripheral clock register = RCC_AHBENR [OK]
Quick Trick: RCC registers control peripheral clocks [OK]
Common Mistakes:
- Confusing GPIO_MODER as clock register
- Mixing NVIC and SCB registers with clock control
- Using unrelated registers
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