Part Number: TCA9539-Q1 Tool/software: HI TI,
How should we deal with unused pin of TCA9539-Q1? What is the reset state of these pin? Can we just left it float?
BR
Junsong Gu
Part Number: TCA9539 Tool/software: My SDA and SCL line have a 3.3 volts level and my TCA9539 is powered by 1.8 volts. It works but I dont know if there is a risk od damage. The datasheet is not clear if it is aceptable or not. Can you help me? Than…
Part Number: TCA9539-Q1 Tool/software: Hi, Support Team
if TCA9539-Q1 is failure and cannot offer ON/OFF(GPIO) to output, how to make sure the ic do not false action ? do we have internal prevention mechanism.
if any suggestion, Please advise me.
Thanks…
Part Number: TCA9539 I looking for a 16-bit I2C I/O expander verilog model(like TCA9539), but I can't find where it is.
so I want you to let me know where I can get that.
Part Number: TCA9539 Other Parts Discussed in Thread: TCA6424 Tool/software: The SLVUA59A board which I have been using has two slave i2C chips, the one that I am trying to communicate with is the TCA9539 with the address of 0x77.The other slave chip…
Part Number: TCA9539-Q1
Tool/software:
Hi, Support Team
our client use TCA9539-Q1 have two question as blow:
Q1: about I/O expander port to port switching the maximum rate?
Q2: Could possible fine tune I2C can effect switching port rate?
because its…
Part Number: TCA9539-Q1
Hi, Support Team
we saw the TCA9539-Q1 functional safety FIT Rate, FMD and Pin FMA document:
TCA9539-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA (Rev. A)
as below table, the Ambient temperature condition…
Part Number: TCA9539 Other Parts Discussed in Thread: PCA9539 Tool/software: I am using a version of Yocto linux at my company. There is no TCA9539 driver. How can i enable support for this part on the i2c bus in Yocto.
There is an NXP PCA9539 driver…
Part Number: TCA9539-Q1 Other Parts Discussed in Thread: TCA9539 Tool/software: Hi TI
I test TCA9539QPWRQ1 in my design,and I test INT is always low,in your datasheet shows when trigger a ACK,INT will be turn high,is there any dependency condition?
How…
Part Number: TCA9539-Q1 Hi team,
Customer is evaluating TCA9539-Q1 and found the output freq is abnormal and highly dependent on pull up resistor, as below, would you pls share if the possible reason?
When I2C configure to 400kHz
1. I2C pull up 4.64k…