Forum Posts
Difference between STUSB1600QTR vs STUSB1600AQTR?
Hi,As STUSB1600AQTR is currently out of stock everywhere, we have sourced from a secondary source the STUSB1600QTR part number. The datasheets seem almost identical, so we expected the part to be a drop-in replacement. However, this is not the case a...
VBUS monitoring not working on STUSB1602
Hi guys ! I am trying to implement a USB-C powering and communication between 2 of my devices. There is no Power Negociation implemented yet. The default voltage is 5V.I want to make sure my source device is safe so I would like it to shut down VBUS ...
STUSB4500
Can the STUSB4500 support a USB C DRP and USB PD (sink-only) application using the SOM OTG interface illustrated above? Can it drive the VBUS, OC, and ID inputs and receive the EN output? We would like our product to serve as USB UFP (device), USB DF...
LE coded PHY devices compatibility?
Anyone aware if iPhones/ Androids accepting LE coded PHY?If so, starting at which versions do they start working? I saw some info dating from 2020 or early 2021 so I'm wondering if someone has a more recent answer.
BNRG2A1 Terminates connection before reading service characteristics
I am using the STM32 NUCLEOL476 with a X-Nucleo-BNRG2A1. I opened the example project for Central Device. The board scans and finds the BLE device. I can select the device and it will connect to it. Then it reads the Service then terminates. I have t...
What happens at the receiver output of ST3485 when A-B is 127mV?
I have a circuit with ST3485 supplied at 3.3V. There's a 1.5k pull-up on A, 1.5k pull-down on B and 120R between A and B. So when the transmitter is disabled, A-B=120*(3.3/3120)=127mV. I'm wondering what happens at the receiver and if its output is s...
Can I configure to broadcast multiple different frames?
I tried broadcasting 6 different frames of data,Is that possible?Here is my configuration.thanks my brother.uint8_t adv_bag1[] = {0x02,0x01,0x06,0x10,0x09,'M','i','n','e','w','-','B','L','E','-','T','e','s','t','1'}; uint8_t adv_bag2[] = {0x02,0x01,...
product request: STULPI01 LQFP package?
hi various SOCs in STM32 family e.g. stm32f407ve, and many in the F7, H7 series features a "USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip full-speed PHY and ULPI"But your STULPI01 is a μTFBGA36 package. https://...