The CC's output pin must sink the current through all pull-up resistors. With higher pull-up currents, a higher V OL is expected. (The CC3301 datasheet specifies 0.45 V for 4 mA, i.e., 112.5 Ω in the worst case.) As long as it is below the other device…
Thanks, I reduce the pull-up resistors from 10k to 470ohm. Now SWD works.
Although I still did not find the root cause, I will keep new circuit in our Launchpad design.
Part Number: LSF0108 Other Parts Discussed in Thread: TXU0304 , TXU0104 , TXU0204 , LSF0002 Tool/software: As shown in the figure above, we want to convert the 1.8V signal from the camera to communicate with the FPGA at 1.2V. In the figure, there is no 0…
Part Number: LSF0108 Other Parts Discussed in Thread: TXU0101 , TXU0102 Tool/software:
1、It is required to achieve 3.3V to 5V PWM square wave output, using the recommended leakage circuit, FPGA leakage output, 3.3V power supply on the A-side, and 1.5K…
Part Number: LSF0108 Tool/software: Hi Team,
may we know what is the cause? why does a low level happen on the B side when a high level of 3.3v happen on B side? thanks for your support and learn from you.
waveform and schematic as below:
PORTPROMPT_LSF0108…
Part Number: LSF0102 Other Parts Discussed in Thread: LSF0108 , Tool/software: Hi team,
What's the difference between LSF0102 and LSF0108 in addition to channel numbers?
Part Number: LSF0108 Tool/software: Hi,
What is the expected operation for the LSF0108 and other LSF translators if VREF_A is off (0V) and VREF_B & the EN pin are both at 3.3V? Would the B-side I/O be pulled down to GND, would the I/O be high impedance…
Part Number: LSF0108-Q1 Tool/software: A few questions on the LSF0108-Q1 level shifter:
1) The switching characteristics defined in section 6.7/6.8 of the datasheet list only typical delay values. Is more information provided elsewhere for the actual…
Part Number: LSF0108 Tool/software: Hi teams,
I was wondering if the A port and B port are open drain or push pull? Since I saw in the data sheet mentioned that they can have both open-drain and push pull application.
Thanks for the help!
Best,
Liang…