Assume the bus clock is operating at 10 MHz. The SysTick initialization executes these instructions. void...
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Assume the bus clock is operating at 10 MHz. The SysTick initialization executes these instructions. void SysTick_Init (unsigned long period) { = 0; NVIC_ST_CTRL_R = NVIC_ST_RELOAD_R = xxx; // disable SysTick during setup NVIC_ST_CURRENT_R = 0; // any write to current clears it - } - - NVIC_SYS_PRI3_R = (NVIC_SYS_PRI3_R&0x00FFFFFF) 10x40000000; - NVIC_ST_CTRL_R = YYY; EnableInterrupts (); What value goes in the xxx place to make the interrupt frequency 10 kHz? Give your answer in decimal format. Assume the bus clock is operating at 10 MHz. The SysTick initialization executes these instructions. void SysTick_Init (unsigned long period) { = 0; NVIC_ST_CTRL_R = NVIC_ST_RELOAD_R = xxx; // disable SysTick during setup NVIC_ST_CURRENT_R = 0; // any write to current clears it - } - - NVIC_SYS_PRI3_R = (NVIC_SYS_PRI3_R&0x00FFFFFF) 10x40000000; - NVIC_ST_CTRL_R = YYY; EnableInterrupts (); What value goes in the xxx place to make the interrupt frequency 10 kHz? Give your answer in decimal format.
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The answer is 999 An interrupt is generated by the SysTick timer at ... View the full answer
Related Book For
Operating Systems Internals and Design Principles
ISBN: 978-0133805918
8th edition
Authors: William Stallings
Posted Date:
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