Part Number: TUSB4020BI Other Parts Discussed in Thread: TUSB8040 I am using Windows 10. When I program the TUSB4020 the device manager says: "TI TUSB8040 EEPROM Programming Endpoint" when I am done I cannot get Win10 to go back to the default driver.…
Part Number: TUSB4020BI HI TI Support team,
客户咨询如下问题:
产品内置了 TUSB4020BIP ,再把USB转TTL,但是假如此时有一个行为长时间把 TUSB4020BIP 的USB的D+/-短接在一起,这种行为是否会存在损坏 TUSB4020BIP的风险呢,假如我又把短接的行为去掉了,再去使用 TUSB4020BIP的USB2.0的相关功能,此时是否会出现无法识别USB的情况呢?
TUSB4020BIP is built into the product…
In theory, USB has enough bandwidth for 64k samples per second. In practice, this depends on what protcol you use and how the MCU firmware is implemented, and I guess there will be a latency of at least one USB frame for each step in the chain.
Part Number: TUSB4020BI Hi, it'Andrea Orazzini from CAEN SpA (Viareggio, Italy). I have designed an hub USB using the TUSB4020BI. I need to connect to the hub a mouse and a keyboard. However it seems that the hub works only if the boad is powerd with…
Part Number: TUSB4020BI Other Parts Discussed in Thread: TPS2553 Hi Team,
Could you help to review the attached schematic?
TI_USB_HUB_0506.pdf
Regards, Hailiang
Part Number: TUSB4020BI Hi team,
According to the datasheet, the min TVDD_RAMP is 0.2ms. But in customer's design, the Vdd is powered by LDO rising within 2ms. So the question is why we have min ramp of VDD? Would there be any potential risk in customer…
Part Number: TUSB4020BI TUSB4020BPHP: I am getting over 100mA conduction to this chip when I turn it on. The 1.2 does not get to that voltage, but rather 0.947VDC. My 3.3VDC supply only gets to 3.3 if the 1.2 supply comes up first. I am holding the reset…
Part Number: TUSB4020BI Other Parts Discussed in Thread: TUSB4041I Hi Team,
Could you please comment on how to configure PIN35 and PIN36 of TUSB4020BI? The customer's requirements are as follow. 1. The system provides 3.3V and 1.1V to this device; …