I have an USB RS232 converter with no designation of producer on it. After plugging it into USB port on Windows Vista 64bit computer I chose an option to automatically find and install drivers from Windows Update site. Drivers (for USB Serial Converter and USB Serial Port) were successfully installed. In Device Manager, in section Universal Serial Bus controllers in context menu for USB Serial Converter in the field Manufacturer there's FTDI.
It appears there's no reliable way to find out what chipset is used. I wrote to FTDI's support giving VID and PID and they replied it's FT232B chipset. However, when I proposed to put mapping from VID,PID to chipset on their site Gordon Lunn from FTDI replied
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The eeprom has some extra IDs on it, and the library knows how to map those IDs to the right chip.
Off course this assumes the eeprom was not modified latter after the factory release, but for the general case this doesn't happen, so maybe it's enough for you.
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Did we say "easy" and "Verilog" in the same breath? That's just contradictory!That's why it is so important that Makerchip supports the emerging Transaction-Level Verilog standard. Transaction-Level Verilog, or TL-Verilog, represents a huge stepforward, by eliminating the need for the legacy language features of Verilog and by introducingsimpler syntax. At the same time, TL-Verilog adds powerful constructs for pipelines andtransactions. We'll help you learn it, and you'll never turn back!It's the easiest way to write and edit your Verilog with fewer bugs.
Makerchip can easily be launched as a Verilog/TL-Verilog editor from other applications. For example, Makerchipprovides the digital side of FOSSEE's mixed-signal eSim environment, and SandPiper-SaaS provides eSim's TL-Verilog compilation.
Designed to maximally extract and convert high resolution digital audio data to analog audio signals, audio DAC chips are one of the most important components for determining the quality in audio equipment.
1. Achieves the demanded numerical and sound quality performance of DAC chips for high-end models
The BD34352EKV achieves excellent numerical performance (S/N ratio: 126dB, THD+N: -112dB) while also improving sound quality in ways that cannot be defined by simple numerical values. For example, in the D/A conversion circuit consisting of current segments, the output current has been adjusted by adopting circuit technology used in the BD34301EKV. At the same time, the digital filter (FIR filter), a key function of the digital signal processing circuit, is designed to faithfully process even the smallest signals by achieving a rejection band attenuation of -150dB or less (a performance indicator of digital filters). This makes it possible to extract the full range of information from sound sources. It provides sound quality characteristics that allow listeners to hear more powerful, natural flat sound.
Meta-devices are recently found as key technology to shape the future realization of high speed, low power on-chip communication as they can be deployed to manipulate EM-field to provide extraordinary performances at THz. Due to the negative permittivity behavior1,2,3,4,5,6,7,8,9, surface plasmon polaritons (SPP), defined as collective oscillations of the delocalized electrons in metal surfaces, forming surface-wave. Owing to their ability to confine light in a subwavelength scale with high intensity, SPPs can be used to miniaturize electronic components at Tera-scale and build highly integrated circuits. Terahertz wave, which has a wavelength of approximately half a millimeter, can thus be concentrated by a factor of nearly 100 (centimeter at chip and board scale) to travel through metal of copper in standard CMOS process without altering the process and material. Therefore, CMOS integrated circuits with plasmonic technology could operate at much faster speeds than current electronics (nearly the speed of light), while 100 times thinner than glass fibers. This could lead to faster, thinner, lighter and cheaper scalable communication technologies.
While on-chip oscillator network can only generates TEM-wave source, the high output power of beam steering antenna relies on a highly efficient mode conversion to transform the TEM mode to SS mode with low loss in a wide band. The proposed converter is featured by a linearly flaring GCPW with gradient groove.
(a) The proposed surface plasmonic waveguide with mode converter structure featured by the combination of a linearly fading GCPW with gradient grooves. Parameter Cx, Cy and k denotes effective GCPW length, effective vertical fading distance and gradient factor (unit: m), (b,c) the Ex component evaluated at the xy plane demonstrating the mode evolution by the proposed converter structure.
(a) Simulated input reflection coefficient (S11) of the designed on-chip SPP T-line with converter for different k with optimized Cy for each cases and (b) simulated transmission coefficient (S21) of the designed on-chip SPP T-line with converter for different k with comparison to conventional on-chip transmission line (T-line).
(a) The proposed SPP T-line with mode converter structure featured by gradient grooves, while parameter k denotes the gradient factor, (b) the simulated Ex component evaluated at the xy plane demonstrating the mode evolution by the proposed converter structure.
Measured and simulated S parameter results: (a) the measured and simulated results of the input reflection coefficient (S11) for the proposed SPP T-line w/i and w/o converter and (b) measured and simulated results of the transmission coefficient (S21) for the proposed SPP T-line w/i and w/o converter.
How to cite this article: Liang, Y. et al. On-chip sub-terahertz surface plasmon polariton transmission lines with mode converter in CMOS. Sci. Rep. 6, 30063; doi: 10.1038/srep30063 (2016).
I would like to take an old Arduino UNO and subvert it to support FTDI programming of ProMinis. I don't like to build anything "by rote", that is, without understanding exactly how it works. I can't find any detailed description of what the FTDI process is online. Anybody out there know where there is a good explanation?
I'll expand what Chilli said... When you refer to FTDI, you're discussing a specific brand of IC to convert USB to a standard serial signal. What comes out of the FTDI converter is a TTL level serial stream that goes directly into the ProMini ATmega processor's serial i/o pins which in turn works in conjunction with the bootloader code to write a new program into the target devices flash memory.
The Duemilanove and the Nano (and others) have an FTDI chip installed on the board to do the USB to serial conversion required to write a program into the flash memory of the ATmega processor. The current UNO uses another ATmega processor with a dedicated program to do the USB to serial conversion, I assume it was done to save costs since the FTDI chips are a bit pricey for what they do. Other Arduino boards, specifically the Leonardo and Due, use no additional chips as Atmel added USB capability to those processors. Ultimately, it is the boot loader code in addition to the serial input that allow the processors to change their own program in-situ.
To use an Uno's USB/Serial adapter with another bootloaded chip,like a Promini:
Connect Reset on the Uno to Gnd (holds the chip in Reset; same effect as if you had pulled the chip out).
Connect +5, Gnd, Rx, Tx to other device's +5, Gnd, Rx, Tx (do not swap Rx/Tx).
Start the upload in the IDE.
When you see "Compiled xxx of 32xxx bytes" (or similar), press Reset on your other chip.
As the list above illustrates, the FT232R is used in a wide range of applications. However, it is most often used as a converter for USB to RS232, RS422 or RS485, which is discussed in detail in the FT232RL datasheet.
As shown, the converter has a UART FIFO Controller and UART Controller with signal inversion programmability. The TX Buffer is 256 bytes and the RX Buffer is 128 bytes. USB serial to parallel and parallel to serial conversion is handled by the Serial Inversion Engine (SIE). The EEPROM is pre-programmed, but can be modified by downloading the FT PROG software. Important characteristics and specifications are given below.
The FT232RL datasheet is extensive. The document contains very important data and information that should be utilized when implementing the device. This includes landing patterns that will aid you when creating your own footprints. However, the best option is to utilize verified models from an online electronic components library as is shown below.
I am trying to build a fixed 5V buck boost converter with input voltages ranging from 3-7.2V (which is from a battery) and maximum output current with 2-5 A. My use case for this converter is to power up a micro-controller and a servo motor. I have found an online design that closely matches my requirements which is linked below.
I was unable to find the IC for this design which is XL6009.I also wanted this circuit to work with the input range from 3-7.2 V.So I am planning to replace that chip with LT1171CT. Will this work with the same design? Datasheet is linked below,If you have better suggestions please do.
Tuya has begun manufacturing some Wi-Fi modules using a Realtek RTL8710BN Wi-Fi SOC instead of an ESP82xx chip.
Tasmota cannot run on Realtek devices and there are no plans on supporting them. 0852c4b9a8
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