Questions tagged [usb-host]
A USB host port implements the upstream end of a USB connection
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USB Type-C DFP Host Port implementation without Switch
I am currently designing a new board that has a four port USB 3.2 x1 Gen1 hub on it. I only need two ports and now thinkering how to best make use of the other two ports.
The idea was to make at least ...
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Why USB-C plug doesn’t charge? [closed]
I have multiple USB-C 5V chargers of the same type that do not charge connected android devices. Devices detect charging if these are turned off, but when turned on, no charging icon of any visual ...
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How should I select the ohm values for pull-up and pull-down resistors in a device with a USB Type-C connector used solely for power
Good morning, everyone. I am exploring the transition of the receptacle from a micro USB connector to a USB Type-C. Initially, my plan included implementing both sink and source capacity. However, ...
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Replace micro USB tablet connector with USB C
I'm considering upgrading my dad's old tablet, which currently has a micro USB connector. The issue arises from his habit of frequently misplacing the charger, and I'd prefer not to rely on an ...
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Converting a USB HID K/M Composite Device to a USB HID Compound Device (or Two Seperate K/M Devices)
I want to connect a USB composite device (Raritan KX4-101) with keyboard and mouse descriptors to a USB matrix switch with a very picky HID keyboard and mouse emulation (Extron SMX USB).
From what I ...
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USB 3.0 SS lines issue
Can you route USB 3.0 SS lines to two PCB's but the USB controller is located on the second PCB?
The PC host is connected to the first PCB over a usb c-c connection (center usb port in image). Then ...
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Is it possible to apply quick charge 3.0 to USB-C?
There's a wall outlet with a USB-A fast charging port
It has a USB-A charging port that supports 9V 1.67A fast charging.
It uses FP6601Q and supports QC2.0/QC3.0.
I'm trying to change the USB-A ...
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USB-c R1/R2 configuration
I have a usb-c cable that plugs into a 4s lithium ion battery (DJI FPV goggle battery with proprietary cable.) The battery will only turn on if the usb-c plug (picture below) is plugged into it. I ...
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USB Current Oscillation ~ 100 mA Without Device [closed]
Apologies for my lack of deep knowledge here - this is not my background and I am definitely an amateur so I greatly appreciate your willingness to help me!
Background: I was curious about the ...
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USB peripheral not responding to SETUP packets
I'm writing some Verilog on a Spartan S7-50 FPGA to control a MAX3421E (datasheet) over SPI. I've gotten everything working with setting up the chip (full-duplex, Vbus, connection detection, host mode)...
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UART over USB for radio transciever board
I am creating a telemetry radio that operates over UART, but I want to interface via a USB port so the same connection can be used between the flight computer and the onboard radio and between the ...
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USB HUB for OTG
I have designed a custom board with Processor which is having a dedicated USB 2.0 OTG port. I want to convert it to 4 USB OTG ports. so I was thinking to use the USB 2.0 HUB with OTG support for 4 ...
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USB host, STM32. f_mount returns FR_DISK_ERR
I'm trying to connect a USB flash drive to an STM32F407VGT6.
IDE Keil,
I used compilers 6.19 and 5.06.
...
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What is the communication protocol used by non-expansion card USB ports to communicate with CPU?
USB ports can come as expansion cards, like this:
Now obviously, since this is a PCIe USB card, the communication protocol used by this expansion card to communicate with CPU is PCIe.
But what about ...
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Computer interface with USB devices
I'm making a computer peripheral that will be connected via a USB.
The main brain is an STM32 ARM MCU, it has USB support natively.
It has multiple sub-peripherals inside and it uses I2C and SPI to ...
