Part Number: TUSB8042A Tool/software: Hi,
How does the USB hub determine the I2C bus speed?
Using a 3.3VDC supply conjunction with an 24LC02BT-I/OT EEPROM (400KHz).
Thanks!
7.4.2 I 2C EEPROM Operation
The TUSB8042A supports a single-controller…
Part Number: TUSB8042A Tool/software:
Hi, for above shown block diagram of cascading two TUSB8042A hub IC, should we connect the Upstream SS_TX and SS_RX pins of Hub 1 to downstream SS_TX and SS_RX pins of hub 2 respectively or interchange the RX…
Part Number: AM5708 Other Parts Discussed in Thread: TUSB8042A , I'm debugging using a prototype custom board. The TUSB8042A's PWRCTL won't go high. (Polarity is set to high.) I'm connecting the AM5708's us1_drvvbus to the TUSB8042A's USB_VBUS.
The…
Part Number: TUSB8042A Other Parts Discussed in Thread: AM6412 Tool/software: Hello
I am currently performing USB 2.0 downstream compliance testing using the AM6412 and TUSB8042A. I am using Linux as my OS.
Tests 1 through 3 were successfully completed…
Part Number: TUSB8042A Tool/software: Hi，
The customer is using TUSB8042A for HUB, and after inserting 4 interfaces into the device, it is recognized that all are High speed, but Supplier speed cannot be recognized. Please help analyze the reason. Thanks…
Part Number: TUSB8042A Other Parts Discussed in Thread: TUSB8044AEVM , TUSB8044A , TUSB8044 , TUSB8042 Tool/software: Team,
Could you help confirm the I2C address of the TUSB8042A? I've heard it's 0x44, but unable to find it in the datasheet.
Please…
Part Number: TUSB8042A Tool/software: On the spec P19, shows the 3V3 IO electric spec, but what is the input capacitance?
SInce i need to calculate the C load on the bus, so I want to understand this parameter.
Part Number: TUSB8042A Tool/software:
Whether the insertion loss can be reset after the packet pass through TUSB8042A .
What is the insertion loss requirement for this chip.
For the #2, for usb3.2 gen1, since our topo is from hub to CPU…
Part Number: TUSB8042A Tool/software: Hi team,
My customer made prototype board using TUSB8042A, but it needs reset(toggling GRSTz) multiple times to be recognized by host CPU.
The number of reset cycle until the device is recognized by host is not…
Part Number: TUSB8042A Other Parts Discussed in Thread: TUSB8044AEVM Tool/software: HI I'm William.
Our design is use SMBUS mode. (HOST is BMC , slave is TUSB8042A) I use the command to disable USB port 3 from BMC. Below is my command.
i 2cset …
