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2405792_zh-CN
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2405792_zh-CN
2405792_zh-CN
您好，我正在做一个涉及 NTAG 5 开关的个人项目。我想知道 NTAG 5 开关是否可以自动向 RFID 阅读器报告其 GPIO 输入状态的变化，而无需阅读器先轮询标签。如果可以，GPIO 输入激活/停用与通过 RFID 传输此信息之间可实现的最小延迟是多少？
目标应用场景是游戏键盘，因此极低且可预测的延迟非常重要。
您好，先生，
请参阅NTAG 5 - PWM、GPIO 和事件检测的使用第 3 节，其中提到了输入模式和寄存器。不过，该状态仍然保存在 NTAG 5 的内存中。NFC读取器需要读取暴露的GPIO状态存储器。遗憾的是，这种状态取决于读者的判断。
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