GPB0:Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up resistor.
A0:Hardware address pin. Must be externally biased.
INTA:Interrupt output for PORTA. Can be configured as active-high, active-low or open-drain.
一个I/O口,一个地址口,一个中断口,我想知道每个口最后一句话怎么翻译,最好详细说下,并解释下所说名词的意思。比如中断口最后的翻译是开漏,就是漏极开路,外部电路应该怎么连呢?谢谢啦 |