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Questions tagged [ftdi]

FTDI is the manufacturer of (a.o.) a popular UART to USB bridge.

1
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1answer
19 views

Switching IC via FTDI232 DTR and transistor

I am trying to switch an IC on/off via the DTR signal pin on an FTDI232 USB/TTL Serial converter. Basically during the flashing of my ESP8266, I need to be able to power the IC off and then on again. ...
1
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1answer
49 views

Is the following USB connection possible: Host USB to converted to serial (FTDI) and then converted back to USB (FTDI)

I am trying to connect a host USB device on one board to an endpoint USB device on another board, but I am required to send the link between the two devices as a serial (UART) connection between the ...
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0answers
31 views

How to use 3.3 V FTDI Serial Cable with LeMaker Hikey 620 which has 1.8v UART signals

I have FTD Serial Cable TTL-232R-3V3 which operates on 3.3V. https://ftdi-uk.shop/collections/usb-cables-ttl/products/ttl-232r-3v3-2mm I was trying to use it on my Hikey LeMaker for an hour with no ...
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1answer
60 views

Power issue on connecting controller to FTDI programmer

Hi, I have connected my controller (ATMEGA2560) input to 5V power supply. At the VCC terminal 5V is shown. The VCC, TX,RX, RESET and GND pins are connected to a FTDI programmer port as shown in figure....
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3answers
1k views

Disadvantages of Buying Fake FTDI Chips

I was planning to buy this FT2232HL FTDI board from Aliexpress for basic FIFO applications. It is obviously fake; being cheaper than the entire chip itself and having no "FTDI" marking on top of it. ...
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0answers
49 views

DTR and RTS pins interface for ESP32 auto reset circuit

I'm trying to program ESP32 using FT232rl by following the standardized transistor circuit. 1. DTR and RST using a series capacitor as shown, program uploads successfully by pressing the IO0 button to ...
0
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1answer
43 views

STM32L0/FTDI UART Transmit doesn't work

I have STM32L053 (link to overview) and I have been using STM32CubeL0 as UART examples. Also I connected FT232RL FTDI module. Everything was fine. SIM800L and FTDI modules were working fine. Next day ...
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1answer
62 views

FTDI USB to serial communication issue

I am using an FTDI USB to Serial cable to read the startup log of a board. The FTDI cable is not reading the correct information coming from the board. Here is some of the information that I am seeing ...
0
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1answer
38 views

FTDI board shows only one location id on dual channel 2232H

This is a software question, but I believe people working with this board might have come across this scenario before. I have a FT2232H board that has two channels. I want to program it with an xml ...
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0answers
28 views

FT234XD-R FTDI chip fall down while receiving data rx

here is an another thread that I can not resolve it. I make my own voltage and current meter using A/D converter, communicating with ft234xd-r chip which convert rs232 comunication to usb and ...
3
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1answer
140 views

Receiver issues on STM32H7 interrupt-based SPI

I want to configure a simple interrupt-based SPI slave transmitter/receiver on a STM32H7 MCU. Even though I have quite a bit experience with the older series of STM32 ARM MCUs, it seems that a lot of ...
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1answer
94 views

Using Adafruit Trinket M0 (SAMD21) as a USB to Serial converter

I wanted to know if it is possible to use SAMD21 as a USB to Serial converter like the usual FTDI chips ? If yes could you please point how to achieve that. I believe that Adafruit Trinket was used ...
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2answers
83 views

FT230X direct interfacing with 5V uC like PIC24FV &/ PIC18

I am working on a project in which I am using PIC24FV32KA304. And I want to use FTDI FT230x usb to uart chip for communication with PC. Datasheet of FTDI chip mentions that TTL input is 5V tolerant. ...
2
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2answers
66 views

How to open up serial terminal for my USB device converter (or, how to enable VCP in linux)?

I am using a new Cyclone V SoC board by Enclustra (Mercury+ SA2) mounted on their PE-1 BaseBoard. To connect to the board serially on Windows platform, I have to connect the board which is detected ...
0
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3answers
307 views

Programming microcontroller using UART

I am trying to design a development board with a dialog micro. I am trying to remove the need for a programmer on this board. So that the user could simply plug in a usb cable and be able to ...
0
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1answer
64 views

FT2232H current consumption at 3.3V calculation

I would like to estimate the current consumption of the FT2232H chip and I have some unclear issues with it. In the chip's datasheet, it says the current for each voltage rail(except VCCIO). In ...
0
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1answer
163 views

Two FTDI devices

I have two devices which use FTDI chips to communicate with a computer. Will it be possible to communicate between them using a USB cable? For one of the devices I have complete control over the ...
1
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1answer
97 views

FT232HL FTDI consecutive SPI bytes delay problem

I have a problem with the FT232HL FTDI ic. Windows application send data to the chip via USB and the chip send the data out with one SPI channel. I did check with a logic analyser, the bytes are ...
1
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2answers
89 views

FTD232RL displays gibberish

Hello there i am using dsPIC30F4013 and i have been trying to interface uart with pic. I want to send some data to PC via uart and display it on terminal, but what i get is far from what i expect, to ...
0
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1answer
537 views

FTDI USB/TTL-serial converter - what are TXD, TXL, RXD and RXL?

I've got a couple of TTL USB/serial converters. I think they're FTDI chips. As well as pins marked TX and RX, there are unpopulated holes marked TXD, TXL, RXD and RXL. I've previously thought that ...
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3answers
374 views

What is a FTDI chip? How does USB communicate with Arduino?

What is a FTDI chip? Is this used in Arduino to communicate to the laptop? I think that the voltage levels are different on USB and Arduino?
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2answers
267 views

Connecting LCD Display with I2C USB Connector

I have a qapass 1602a LCD display connected to an I2C 1602 LCD Controller which is connected to a UMFT201XB I2C USB Connector which is connected to a linux box. My Question is: How and where do I get ...
0
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0answers
43 views

USB serial enumeration with different power source

I am working on an evaluation board that is powered off of a micro-b USB port. This also serves as a serial port (through an FTDI chip). There is a jumper that allows to choose to power the system ...
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0answers
116 views

FTDI FT_Prog keeps crashing

Anyone here using FTDI's FT_Prog? At first I wanted to re-program the E²PROM of my FT232H to use it as a JTAG device but if I click Scan and Parse the program ...
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0answers
171 views

Flashing Nordic nrf52 with FTDI

I have the nRF52832, connected via FT232RL FTDI and it fails when I try to upload a firmware file to it. I'm using PlatformIO in Atom. Following instructions at Get started with Arduino and Nordic ...
0
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1answer
142 views

Custom FT232 (FTDI) PCB not recognized

I am currently working on a prototype for an ESP32 retrofit for a home alarm system. I am an aspiring electrical engineer and will be attending Miami University next year. I am having trouble ...
2
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2answers
296 views

Help connecting custom ATMega328PB using serial FTDI

I built this ATMega328PB circuit. It runs at 3.3v from 1.5v battery using booster and 8MHz from external resonator (CSTCE8M00G52A-R0). Using USBTinyISP I set fuses: Low-FF (for 8MHz), High-D8 (Boot ...
2
votes
2answers
329 views

Make FTDI 2232D do SPI mode 1 properly? Data seems 1/2 clock cycle off

This capture by a Saleae Logic Pro 8 (v 1.2.18) shows the result of transmitting (MOSI data) 0x20 0x11. Unfortunately it is interpreted and shown as ...
0
votes
1answer
70 views

Trying to program a DSD TECH SH-A10 iBeacon with Sparkfun FTDI Basic [closed]

I ordered some fairly random iBeacon (DSD TECH SH-A10), and I didn't realize that its configuration software is Windows only (http://www.dsdtech-global.com/2017/11/dsd-tech-bluetooth-config-tool.html),...
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2answers
1k views

Configure avrdude for programming with a ft232r cable

I bought a ftdi cable with the following pins. Vcc GND RX TX RTS CTS It's possible to use this device to upload code to an ATmega328p using the avrdude utility? When I run this line on linux ...
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2answers
1k views

auto reset an Arduino using ftdi - DTR signal stays low and needs to go high after 1-50ms

Hello i have a cheap ftdi that i am going to recreate on a pcb so i can flash my ATmega2560 chip onboard, the ftdi has a DTR line which is pulled low when the sequence starts but it stays low instead ...
2
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1answer
591 views

Charging a mobile Tablet while communicating with a USB device at the same time [duplicate]

I have designed a product (small spectrometer) using FT234XD usb-to-uart bridge and it connects to any mobile phone via ...
0
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1answer
462 views

Reading data from UMFT200XD or UMFT201XB

I want to buy either an UMFT200XD-01 or an UMFT201XB-01 from FTDI. According to the datasheet of the UMFT200XD the "UMFT200XD is a USB to I2C breakout module" After I searched for a difference ...
0
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2answers
148 views

No Acknowledgement from slave device

I am using a FTDI's UM232H usb-i2c adapter to communicate with MAX6615 temperature monitor device and DLVR pressure sensor. I developed a I2C routine to talk to these above mentioned devices. I can ...
0
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0answers
59 views

FT231X SLEEP# Pin configuration

I went thru documentation for FT231X, and I can not get it working as described in documentation. I'm trying to use battery charging detection feature. According to this, I've enabled Battery Charge ...
0
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2answers
120 views

FTDI's GND pin removes noise from thermistor Arduino + ESP8266

I have connected an Arduino Pro-Mini 3.3V 8MHz to an ESP8266 via I2C. The Arduino is in charge of collecting data from a thermistor (analog temperature) (T2) and a SI7021 (digital temperature) (T1). ...
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0answers
97 views

More than 2 FT2232H devices are recognized but don't initalized

I'm communicating with the FT2232H devices via ftcspi dll. When I connect more than 2 devices to the PC (Windows 10), the function "SPI_GetNumHiSpeedDevices" always returns the right number of ...
0
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2answers
37 views

Multiple small schemes in one [duplicate]

Hello I wanted to build this serial to usb converter with ft323R, but I don't understand the small marked part on the left bottom. I found the same thing in other schematics too. I know where to ...
3
votes
1answer
748 views

FTDI chip returns descriptor of unknown device

I would like to debug the kernel of my nexus 5 and I sent to a fab the design for the debu cable that uses internally a FTDI chip that creates a ...
2
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0answers
96 views

Sending Serial Data Over FTDI causes loop

I'm trying to send and receive serial data from an atmega328 (using the arduino library) over an FTDI (FT232R) chip. I can send data to my pc and view it in a serial monitor. I can send data from my ...
3
votes
2answers
668 views

FT232RL does not recognized

I designed two boards that contain an FTDI chip, FT232RL. The differences between two boards rely only on USB data lines. One of the two design (Image A) does not recognize the FTDI chip. I noticed ...
0
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0answers
119 views

Transistors, switches, or a better way?

I'm extremely new at tinkering or understanding electronic engineering and trying to learn by doing. I'm working on a project using a build-your-own arduino and an 8266 esp 01 wifi module. I would ...
0
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2answers
874 views

FT245RL - device descriptor read/64, error -32 on connect

I'm trying to get the FT245RL chip to work but am running into an issue where it is not successfully connecting to my computer. I also have a separate device which also uses the FT245RL chip which ...
0
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2answers
281 views

FTDI exchange RX/TX

I have built a PCB with an FTDI FT231X to convert UART to USB. Now RX and TX are switched by mistake. Is there a way to exchange them in the software?
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0answers
225 views

What is the way to implement 8b/10b encoder/decoder in FTDI chip?

What I want to do is interface a Visible Light Communication link I have made to a computer using USB. I am regenerating the clock from the data at receiver end so I need clock recovery transition ...
0
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2answers
717 views

how an FTDI chip converts USB signals into JTAG signals

Could somebody explain how an FTDI chip converts USB signals into JTAG signals please (is that a correct statement)? On the development board for my micro-controller the USB connector goes to the ...
0
votes
1answer
49 views

Does FT232RLMG support RS-485?

I have the FT232RLMG device and a device that uses the RS-485 connection standard. I would like to know if I can connect the TX and RX pins of the FT232RLMG to the device that uses RS-485 directly or ...
0
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3answers
876 views

Intel 8052 (and friends) minimum set up

I recently got a batch of old microcontrollers (8052 and Z8671) and I just want to get a minimum working set up for them. Since these microcontrollers already have most everything baked into them (...
3
votes
1answer
539 views

How can I configure the FTDI FT220x for multiple SPI slaves?

I'm using a UM220XB development module to breadboard the FT220X. My design uses the FT220X to connect my microcontroller to a PC via SPI. My circuit design has 2 SPI slaves and 1 SPI master on the ...
0
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1answer
485 views

FTDI USB Chip in UART Mode and Bitbanging at same time

Using a FTDI FT2232D (Datasheet) in UART Mode for a dual RS-485 application I like to use some of the pins (e.g. not used handshake signals) as GPIOs (e.g. for switching on/of a termination resistor). ...