TI中文支持网Hi ，
手册上写到“An external pull-down resistor of 500 kΩ–1 MΩ from ALERT to VSS is highly recommended.”
好像这个下拉电阻，过大和过小都不行，请问是为什么？
谢谢！
Sheldon Cai：
应该是出于功耗和抗干扰考虑
The ALERT pin has no internal debounce support so care should be taken to protect the pin from noise orother parasitic transients.
