Part Number: TCA6424A Hi TI Team,
In my design we are using TCA6424A I/O Expander 24 I2C connected to MCU(STM32F779B), we are not able to read proper input value from external pull up individual port pins, please suggest reference code for reading correct…
Part Number: TCA6424A Hi, TI expert.
A customer has an inquiry during development review.
- I2C GPIO: Two-way communication At first, I planned to use three GPIO expanders_8CH to achieve 24CH, but I'm considering applying VCCI/VCCP as 3.3V with TCA6424A…
Part Number: TCA6424A HI
there is no external voltage applied on those pins P14,P15,P16,P17 , Its just floating connected from IO expander to header connector.
We are trying to achieve a loopback on those four pins on connector using cable or wire , loopback…
Part Number: PROCESSOR-SDK-AM64X Other Parts Discussed in Thread: TCA6424A , TMDS64EVM , TCA6424 Problem Statement
Many customers have faced the issue of not being able to program TCA6424A.
Their requirement varies from " setting a pin to output mode…
Part Number: TCA6424A Hi,
I have some questions as below, please help on this, thanks.
1. Does pin32 INT applied to all I/O ports pin1~pin27?
2. pin32 INT could connect to CPU's GPIO as interrupt, right?
3. pin29 and 30 I2C could connect to CPU, right…
Part Number: TCA6424A
The datasheet specifies "operating temperature" range "-40°C to +85°C".
The parameter name is "Ta" indicating that it refers to ambient temperature, right?
The abs max rating for storage is…
Part Number: TCA6424A Hi,
We have connected the Power good signal to the io expander with 3.3v pull-up, in the initial state, all the regulators(dc-dc) pg are low.
But the output of the io expander looks high initially. How to make the initial condition…
Part Number: TCA6424A Hello expert,
May we know if customer can apply the pullup voltage 3.3V at port side and use I2C as 1.8V level? I checked the feature has description for it but I would like to know if there is any side effect for it. Thanks a lot…