Part Number: TCA9554 Other Parts Discussed in Thread: PCF8574 , PCA9554 Tool/software: Hi ti team，
The GPIO expansion was successful, but I failed to operate this node using ADB, such as changing the output. For example, echo out > gpio504/direction still…
Part Number: TCA9554 Tool/software: Hi Team,
I am trying to use this part some automation and i am observing one issue.Pls advice
As per datasheet,the channels are acting as input on power power up.
I am observing that when i power up the device ,the…
Part Number: TCA9554 Hi team,
My customer plan to use TCA9554 at 1.8V VDD and have a few questions.
As I understand standby mode is entered automatically when there is no transaction on I2C. What is the state of I/Os during standby?
What is the current…
Part Number: TCAL6416 Other Parts Discussed in Thread: TPS22960 , , PCF8574 , TCA9554 , TCA9554A , TCA9555 , PCF8574A , PCA9554A , PCA9555 , PCA9554 , PCF8575 Tool/software: Hello,
We have used TPS22960 in our project. We have made schematic as per reference circuit…
Part Number: TCA9554 I am looking at an application where we use the SCL to detect connection of the other part of the system.
To do this we have a 100k pull down on the SCL and a 1k pull up in the attached part. So when this is attached the SCL is pulled…
Part Number: TCA9554 When VCC is above 3V, then Vih is 0.8xVCC.
which is higer than my design.
could you recommend other material which have lower Vih.
Part Number: TCA9554 Other Parts Discussed in Thread: TCA9534 Hi
I fount my TCA9554 I/O (P0-P7) is High when power/on ?
is there any way to change I/O to low when power on state ?
