Part Number:TMS320C6678
在IO为输入、输出和高阻态这三种情况下,IO的上拉电阻和下拉电阻是一直生效的吗?
Nancy Wang:
应该是一直生效的,没有看到这款芯片有软件部分的禁止和使能配置,但似乎可以通过外部的电阻来抵消。
https://www.ti.com.cn/cn/lit/ds/symlink/tms320c6678.pdf
3.4 Pullup/Pulldown Resistors
A 1-k resistor can be used to oppose the IPU/IPD while meeting the above criteria. Users should confirm this resistor value is correct for their specific application.