Part Number: PCA9554 Dear All,
this is my customer for notebook application
Does PCA9554PWR support the sleep mode?
if yes, how the power consumption (mW) during the sleep more and operation mode?
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 happen…
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.
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 configured…
Our customized board didn't have PCA9554 and PCA953x which are the chip of I2C to I/O expander to collect current and temperature value, will it affect the behaver of the whole system? In the other words, will it cause this kernel to halt…