Part Number: PCA9554 Hello,
I made some measurements of one input of the PCA9554. I measured at Pin 12 of the PCA9554 to GND.
I couldn't find any spikes, over - or undershot of the input signal at the Chip input point (PIN 12 of PCA9554). Conntecting…
Part Number: PCA9554 We use a PCA9545 I2C Port Extender Chip. In our application, we use the 8 Digital I/O-lines as inputs (also programmed by software). Sometimes, we don't know when and why, one or more input's will be damaged or don't work correctly…
Other Parts Discussed in Thread: PCA9554 Hi Sir,
We tested some of the noise in the PCA9554 clock signal(SCL) .(as Figure
And these noise happens to occur shock near the VIH.
I would like to ask some question~
1. What would happen when the swing…
Other Parts Discussed in Thread: TCA9554A Hi Team,
can you please help for the atttached schematic review to see if any design concerns on the customer schematic? Thanks.
Regards,
Arthur
9554 for SOLARBEAM.pdf
Other Parts Discussed in Thread: PCA9554 Hi All,
We are using the PCA9554 I2C IO Expander with AM335x processor. It have 8 IO ports and 1 interrupt pin for processor.
One of the IO ex-pander pin will act as interrupt from the Wifi Module. we are…
Part Number: PGA970 Other Parts Discussed in Thread: PCA9554 Hello,
I am working on an LVDT signal conditioning project using the PGA970. I am struggling to get a linear, useful displacement output from the Digital Demodulator. Even when I change the…
Part Number: TCA9554 Other Parts Discussed in Thread: PCA9554 Tool/software:
I have a system as shown above. There is a 6in harness in between the 9507s that route between two PCBs. We reset theTCA9554s with the following circuit:
As part of recovery…
