关于imx6sx GPIO 速度的问题

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

关于imx6sx GPIO 速度的问题

1,376 Views
jingyangxie
Contributor V

我有一块imx6sx主板,使用GPIO模拟串行总线输出,根据手册,设置SPEED = 11,SRE= 1,DSE= 2,发现GPIO模拟的时钟输出只有几百K,请问如何才能提高GPIO的输出频率?

Labels (1)
0 Kudos
3 Replies

1,089 Views
jimmychan
NXP TechSupport
NXP TechSupport

which BSP are you using? could you show me the code? and how do you test it?

0 Kudos

1,089 Views
jingyangxie
Contributor V

Hi,Jimmy

       The BSP is 4.1.15,I used gpio_set_value(gpio,0) and gpio_set_value(gpio,1) to generate the clock,and then use logic analyzer to monitor the clock

0 Kudos

1,089 Views
jingyangxie
Contributor V

Anyone knows?

0 Kudos