Other Parts Discussed in Thread: CC1310,
HI,
我使用的CC1310+TPL5010, TPL5010电路图接线如下, 发现几千个里面,时不时运行会有几个 在CC1310没有回复done信号时 TPL5010 wake信号是正常的,但没有reset信号,查看了文档,CC1310启动或者复位时,引脚为高阻态(下面英文介绍)。而tpl5010 done引脚在高阻态下芯片会失去reset复位信号。
Unused I/O Pins By default, the I/O driver (output) and input buffer (input) are disabled (tri-state mode) at power on or reset, and thus the I/O pin can safely be left unconnected (floating). If the I/O pin is in a tri-state condition and connected to a node with a different voltage potential, a small leakage current can go through the pin. The same applies to an I/O pin configured as input, where the pin is connected to a voltage source (for example VDD/2). The input is then an undefined value of either
这个问题会不会是1310上电或者上一次复位 引脚高阻态导致的,done脚失效?
是不是done要加下拉电阻?该加多大的?
谢谢!