Part Number: TCA8418 Tool/software: Hello,
We have some carbon touch detection problems on a product.
I think it's more caused by the Keyboard definition than the TCA8418.
I try to understand how TCA8418 works.
Datasheet shows that a pull-up of…
Part Number: TCA8418 Tool/software: Hi all,
We have a custom iM.X8MQ board and a keypad circuit connected to it, including TCA8418RTWR. Configured Registers: 0x01 -> 0x19 (tca8418_keypad driver does so) 0x1D -> 0x0F (4 rows) 0x1E -> 0x0F (4 cols)
…
Part Number: TCA8418 Tool/software: Hello,
My customer asked for a Linux driver example code for TCA8418.
If you have any related materials or sample code, please provide them.
Thank you.
Part Number: TCA8418 Tool/software: Hello!
I have encountered a bug where, in between a correct key press and key release event, I would get a false key press and key release. This does not always happen, and when it does, it is very brief. Not only…
Part Number: TCA8418E Tool/software: Hi all,
My question is any drawback or problem if i use the 1KR added between TCA8418E ( Key Scan IC ) and the Key.
Those 1KR was used the prevent the ESD.
Any drawback of it ? We just add 1KR column & the Key…
Part Number: TCA8418E Other Parts Discussed in Thread: TCAL6416 , TCA6507 Tool/software: Hi, TI expert
A customer is looking for a replacement for the SX1508B (SEMTECH) attached below.
SX1508BIULTRT.pdf
The requirements are as follows:
[Requirements…
Part Number: TCA8418 Hi Tyler Townsend
I hope you are doing well.I made new boards and found the issue that was with previous version. It wasn't hardware/Software issue but keypad itself. We fabricated new keypads and that issue resolved. Now i need…
Part Number: TCA8418 Hi Ti：
How can the initialization register be configured so that all 16 ports are configured in gpio out mode and the output is high
Part Number: TCA8418 Tool/software: Hi team,
With the reset pin set to “H”, the output goes High when the power is turned on. I have an LED connected to 13-pin COL4 and it lights up momentarily. It turns off when the register setting by I2C is completed…
