Part Number: TCA8418 Hi team,
I am trying to implement this device with the attached circuit using an external pull-up. The internal pull-up will be turned off with a register. Is there any problem?
Also, am I correct in thinking that in keyscan mode…
Part Number: TCA8418 The data sheet for TCA8418RTWR shows the "thermal pad" under the part but there is no mention if this pad must be a no-connect, or if it can be grounded. The examples do not show the connection at all.
The WQFN24 footprint…
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 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 Other Parts Discussed in Thread: STRIKE ,
Regarding the ESD protection of this chip, according to the specifications, there is built-in ESD protection. However, even if we apply static air of 10KV, it will still cause damage to TCA8418…
Part Number: TCA8418 Hi, just wanted to clarify about whether pullups are required or not. In one place, the datasheet says to put pullups on unused inputs, whereas in another place it says that pullups are not required:
"Note that no external pullup…
Part Number: TCA8418 The TCA8418 key scanner IC, contains a FIFO which stores both "Pressed" and "Released" events. I want to configure it to save only the "Pressed" events. How can I do it and what are the register addresses and the values that I should…
Part Number: TCA8418 Hello,
I'm trying to utilize the keypad lock feature of the TCA8418 to ignore all button presses but unable to get the device to actually enter locked mode. I have followed the application example in the data sheet (9.2.2.2) down…
