CLRC663用I2C无法读取寄存器

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

CLRC663用I2C无法读取寄存器

488 Views
joycn01
Contributor I

我用SPI和UART调试均OK;

但是我用I2C时,就不行了。

有应答,但是读取寄存器时总是0

导致无法正常读卡,波形如下。

pastedImage_3.png

pastedImage_4.png

pastedImage_5.png

pastedImage_6.png

pastedImage_2.png

麻烦帮忙看看,谢谢。

0 Kudos
1 Reply

379 Views
Kan_Li
NXP TechSupport
NXP TechSupport

Hello Paul,

Would you please specify which registers you are trying to read from CLRC663? I may help to check the timing.

Thanks for your patience!

Have a great day,
Kan

-------------------------------------------------------------------------------
Note:
- If this post answers your question, please click the "Mark Correct" button. Thank you!
- We are following threads for 7 weeks after the last post, later replies are ignored
Please open a new thread and refer to the closed one, if you have a related question at a later point in time.
-------------------------------------------------------------------------------

0 Kudos