Part Number: TCA9555 Other Parts Discussed in Thread: IO-EXPANDER-EVM , TCA8418E , TCA8418 I am using a TCA9555 as one of the slave devices on my I2C bus.
It has been set up on the IO-EXPANDER-EVM by removing the part that it comes populated with. I am…
Part Number: TCA8418 Hi team,
The customer needs the driver code examples for TCA8418.
Do we have this?
I notice TCA8418E-EVM. But it does have the code examples.
Best Wishes, Mickey Zhang Asia Customer Support Center Texas Instruments
Part Number: TCA8418E Hi,
The manual of TCA8418E states that "If unused, connect to VCC through a pullup resistor".
However, Figure 20. of TCA8418E-EVM Schematic shows unused is floating.
First, Which is correct?
Second, why I don't connect it…
Hello Richard,
I'm the one helping Bobby with this one. I've got the TCA8418e EVM set up. Since I cannot do your exact setup, I modeled it at closely as I can. I shorted COL0, COL1, and COL2 together so that any single press would trigger all 3 lines…
Hi Stephen,
Please refer to our EVM folder on ti.com ( www.ti.com/.../tca8418e-evm ).
In the software section, there is EVM firmware and software available.
Thanks,
Siby
Hi Tsvetolin,
I don't know what you mean exactly. If you're referring to GPIO UNCLAIMED message, then in the GP-EVM as well we see this:
pin 85 (PIN85): matrix_keypad0 (GPIO UNCLAIMED) function matrix_keypad_default pin 105 (PIN105): matrix_keypad0…