Thursday , 29 October 2020

No USART2 in Figure 1

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    7.2 Enabling Interrupts
    It is important to remark that the previous two function enable/disable an interrupt at the
    NVIC controller level. Looking a Figure 1, you can see that an interrupt line is asserted by the
    peripheral connected to that line. For example, the USART2 peripheral asserts the interrupt line
    that corresponds to the USART2_IRQn interrupt line inside the NVIC controller.

    There is no USART2 in Figure 1, is this an error and do you have an errata page where errors in the book are being fixed and updated.

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