Questions tagged [ftdi]

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

Filter by
Sorted by
Tagged with
0
votes
3answers
64 views

Are USB Type A data lines unidirectional or bidirectional?

I want to isolate the data between my computer USB and my FT232RL (as usb to UART converter) to communicate with my arduino Like this: simulate this circuit – Schematic created using CircuitLab ...
1
vote
3answers
172 views

FT2232H on custom PCB not recognized by PC

I am using a FT2232H on a custom PCB and I cannot get it to be recognized either by Windows or by FT_Prog. Images of the schematic are attached. I have probed all the power pins and they read the ...
0
votes
0answers
49 views

Is it possible to program an STM32 with an Arduino board only? (no FTDI, no STLink)

I wished to start using STM32F103C8 board (bluepill). I did not know it cannot be programmed with USB. I searched a lot and found stm32f1init which uses arduino to send USART commands to the target ...
1
vote
0answers
43 views

Sustained SPI communication FT232H

Background I am using FT232H to communicate with my peripheral using the libMPSSE provided by FTDI. I am aware of the INFRA_SLEEP(2) issue with SPI_ToggleCS() function. My peripheral requires me to ...
0
votes
0answers
32 views

FT232RQ USB pins order confusion [duplicate]

I am implementing a USB to UART conversion board with a FT232RQ. What confuses me is the fact that the USB_D+ and USB_D- pins of the package are sequenced in precisely the opposite order as they are ...
0
votes
0answers
40 views

FT232H VCCIO pin voltage levels

The datasheets for the FT232H chip are readily useful for interfacing a USB (5V) powered FT232 to any 3.3 volt RS232 (TTL-ish, at 3.3V) device, and for powering the FT232H with 3.3V. In both cases, ...
0
votes
1answer
43 views

Transmitting data over FTDI usb-RS485

I am trying to using a USB-RS485 cable (which utilizes the FT323R). I have it configured to be all output, and to run in async bit bang mode. I am only able to see data on my scope if I call the set ...
0
votes
0answers
64 views

Which library to use for FT232H, libMPSSE vs libFTDI or something else?

I have an FT232H chip, which supports a max SPI speed of 30 Mhz, I am interested in writing a library which uses the maximum speed of FT232H. And control 4-5 GPIO pins at the same time. I have come ...
1
vote
1answer
78 views

Uniquely Identifying FT232H Chips

I have a few FTDI FT232H breakout boards from Adafruit. I wanted to connect multiple of them through a USB hub. I was under the impression that the serial number is unique and based on "The ...
0
votes
0answers
30 views

Is FT1248 same as Quad / Octo SPI?

When reading through the FTDI FT232H datasheet, I saw that the device can be configured as a "FT1248" slave. To me, the protocol they outline looks exactly like half-duplex 2/4/8-bit ...
1
vote
1answer
43 views

Not able to communicate with esp8266-12F using FTDI usb uart bridge

I designed a PCB based on MPU9250 IMU and ESP8266-12F and FT232RL uart-ttl bridge. You can see schematics for the usb to uart, and esp8266 circuits here. When I researched about the uart part of the ...
2
votes
1answer
108 views

Reading EEPROM memory (Winbond W25M02GV) with FT4222H USB bridge

I would like to read an EEPROM Memory (SPI Flash Winbond) using an FTDI USB/SPI bridge (FT4222H). I developed a c++ application that connects to the FTDI and reads data from the memory(and using the ...
1
vote
1answer
59 views

FT2232HL - using FIFO to send continous data to processing + signaling information

I'm designing a Software Defined Radio project. I want to use an FPGA, DAC, ADC and FT2232HL bridge to handle communication with PC. Can I stream continously data from PC to FIFO? If I will use a FIFO ...
-5
votes
1answer
52 views

Send a file over SPI by FT2232HL [closed]

I want to send a bitstream into an fpga with FT2232HL chip. How should i implement sending a file in C to FT2232? I think about continous transmitting of file, instead of sending it in chunks
1
vote
3answers
147 views

Alternatives to FT232H for USB to SPI communcation

For my current use case, I am using FT232H as a general purpose device that changes my USB packets into SPI information as an SPI controller for my SPI peripheral. My SPI peripheral can support upto ...
0
votes
1answer
48 views

Connecting PIC32 through FT312D to Android tablet

I need to connect my PIC32 to an Allview Android tablet over USB so that the tablet will charge from my PIC board and also be able to communicate at the same time. I can connect the PIC32 to a FT312D ...
2
votes
0answers
147 views

FT232H/FT2232H mount as /dev/i2c-x

SBC like Raspberry have the 40 pin header which contains a I2C master. This is a accessible via /dev/i2c-0. I would like to achieve the same thing on my linux laptop (ubuntu) using the FT232H chip. I ...
1
vote
0answers
49 views

FT2232H Asynchronous FIFO mode

Has anyone seen an FT2232H port not go into the mode set into the EEPROM? I've got a device that is programmed to be in asynchronous FIFO mode on port A, but functions as though it's still in UART ...
0
votes
0answers
51 views

Programming ATMEGA328P using FTDI Failed

I have a couple ATMEGA328P. I have the FTDI Module; now I can't get the FTDI to program the 328P. I tried all connectivity schematics; I tried with different capacitors and I can't understand why I ...
0
votes
1answer
428 views

FTDI and ST LINK devices together to STM32

I have an STM32 board (blue pill) that I am programming with the Arduino IDE. I couldn't program it using an FTDI adapter because I couldn't make the Arduino IDE communicate trough the USART for ...
2
votes
3answers
197 views

USB-C replacing 6-Pin FTDI Header

I have a PCB with an Atmega328 and have been programming it using FTDI Friend (FT232RL Chip Adapter). The adapter connects to a 6 pin FTDI header on the PCB. I want to connect the FTDI Chip Adapter to ...
0
votes
1answer
116 views

How to debug serial communication with RealTerm?

I am trying to debug an LCD device with an RS232 UART interface. I am using RealTerm on a Windows 10 machine. The UART interface works properly. I have checked the sending device, using an ...
0
votes
2answers
154 views

Sending large ammount of data with USB

I'm currently facing a big problem. I've an MCU (STM32L4) connected to an SD card (SDIO) which stores tons of data (5Gb) from a microphone. I need to send this data as fast as possible from SD card to ...
1
vote
1answer
52 views

Different behaviour of FTDI231XS on two PCBs with same circuit

I have designed two PCBs, both using a FTDI231XS USB to serial chip to program an ESP32. Both boards have the same circuit design to control the FTDI231XS chip. One board was hand soldered (board A); ...
1
vote
1answer
75 views

Connecting a USB to UART converter to a computer's serial DB9 port

I have an APU2 that diverts any 'display' over a serial console (DB9F). For accessing the serial console, a null modem cable is recommended where the wires are crossed over. However, my computer does ...
1
vote
1answer
186 views

FT4232H: Configuring RI# as TXDEN Using FTProg

I am developing a device based around two FTDI FT4232H quad USB-to-Serial converters plugged into a Texas Instruments TUSB2046 USB hub controller. The serial outputs of each FT4232H channel goes to a ...
0
votes
2answers
295 views

Flashing program into microcontroller, usb-ttl, idea behind?

I have limited knowledge on this topic(MCUs, communication protocols, etc.). I back then worked with an STM32 MCU and did some UART(or USART, can't remember) communication between a PC and the MCU. ...
0
votes
1answer
53 views

Long Range (100m) USB(PC) to USB (microController USB module) Communication

I have a system that communicates between PIC32MX250F256D (USB module) and PC via USB (2 meters apart). And I need to increase the range of this communication to 100 meters. Due to typical 5m limit of ...
0
votes
1answer
89 views

What is the purpose of ferrite or inductor on the voltage input of FTDI chip?

I bumped into a couple of strange symbols that look like inductors or ferrite beads, I'm not sure what this is. Does anyone know what it is and what is the purpose of it? My guess is it has something ...
-1
votes
2answers
78 views

How Serial Port Loopback Test work internally/underneath? [closed]

Actually I've asked my question on StackOverflow, but I really think it belongs here. Here it is anyway: When doing a Serial Loopback Test on a USB Port (assume COM1) using Hyperterminal or any other ...
1
vote
1answer
158 views

Setting HSYNC and VSYNC registers

I am using the FT801 (datasheet) to drive a Newhaven 4.3" TFT display (datasheet). The TFT datasheet specifies the normal timing parameters (hsync/vsync peroid, front porch, back porch) on page 6. ...
0
votes
0answers
56 views

FT2232H mini module and mojo FPGA v3

I'm working with the mojo v3 FPGA and the FTDI card FT2232H mini module. I programmed the FPGA and different signals are generated at different frequencies. I would like to collect those signals by an ...
0
votes
1answer
56 views

Why am I not receiving a 60 MHz signal from CLKOUT in sync.FIFO mode on the FT2232H?

I tried to set sync.FIFO mode on FT2232H. According to paragraph 4 (pg.10) of AN_130 (FT2232H Used in an FT245 Style Synchronous FIFO Mode) I expected a 60MHz signal at pin No.32 (CLKOUT) after set ...
0
votes
3answers
164 views

Connect two computers with USB using two FTDI chips

I have a very specific problem. I need to communicate between two computers (Intel NUC and a Jetson TX2, both running linux to be specific). I cannot use wireless, and the ethernet ports are occupied ...
0
votes
1answer
125 views

Solder jumper wire to the pin of a mounted chip

I have a USB serial device from Sparkfun. https://www.sparkfun.com/products/15096 Unfortunately, I need access to the RTS pin (to, connect to an ESP8266) but this module does not pin it out. I have ...
0
votes
2answers
311 views

How to make a USB 3.0 slave that can draw 900 mA?

I have a simple electronics project where I need to build a device powered by a USB 3.0 port. The device controls some motors, so it needs quite some power. I need nearly 900 mA, which as far as I ...
0
votes
1answer
116 views

MCP2221 circuit not showing up in device manager, let alone as a COM port

I have made a simple custom board based on an Atmega168A and a MCP2221 for the USB bridge. I have successfully programmed the Atmega to shine the on-board LED and display "hello" on the Serial bus (...
0
votes
1answer
97 views

Garbage on RS232 and no the baudrate IS correct

I have a device like this https://www.vaisala.com/sites/default/files/documents/WXT530-Users-Guide-M211840EN.pdf. Some facts: I have an FTDI to USB board from Sparkfun which is tested to work with ...
0
votes
1answer
109 views

ESP8266 FTDI flash Timeout problem

I'm currently designing an esp8266-based board for a project. It has an LM317 for voltage regulation and the esp8266 is used to drive a RFID card reader (those RC522 reader board from china) and some ...
0
votes
1answer
133 views

Unknown characters in the serial monitor

I am trying to sniff the UART communication line of a commercial BLDC controller. The UART port connects to the Bluetooth module and the Bluetooth module connects to an Android App. I am able to get ...
0
votes
1answer
292 views

FT232R for RS-485 (DMX512) with Isolation - TX Optocoupler

I am trying to make a DMX controller board using the FTDI FT232R (FT232RL) chip for USB to UART and a MAX485 to output data over RS-485. I have a working prototype done, but for the finished product I ...
0
votes
4answers
183 views

FTDI (FT232R) chip holding the RX line high

The issue that I am having is that the device won't communicate. I have traced the problem down to the RX line on the FTDI chip holding itself high and not letting signals through. I have spent a ...
0
votes
1answer
90 views

Voltage Translator (SN74LVC1T45) Locking Up?

I am building a programmer for Atmel AVR devices that includes dual (5/3.3) voltage selection and an integrated FTDI chip for serial diagnostics. I'm using the TI SN74LVCxT45 series for voltage ...
0
votes
0answers
131 views

FT230xs USB basic UART converter dropping frames

I'm working with a custom STM32F429 board, I am using serial-USB port (USART1-PA9,PA10) for debug output and diagnostics. When I connect the board the FTDI chip is recognized and proper kernel modules ...
0
votes
1answer
630 views

Program ESP32-CAM via FTDI without manual reset?

When programming the ESP32-CAM with an FTDI, I proceed as follows: Connect GPIO0 to GND. Reset the ESP32-CAM. (by cutting power)...
0
votes
1answer
51 views

Routing USB under the serial converter - good idea?

I have a design with a FT230XS USB/Serial converter and a USB B connector. My current layout looks like this: Is it a good idea to route the USB lines under the FT232XS converter? Another solution is ...
0
votes
1answer
743 views

FT232 Custom Display Name and Device Description

I have put a FTDI FT232RL onto a PCB to control a Microcontroller via USB. It's working fine. When I connect the board to my Windows 10 PC, the FT232RL is recognized as ...
1
vote
1answer
136 views

Using FTDI with AtMega328P@3v3,8MHz and RFM69

I am running an AtMega328P-PU at 3v3, 8MHz with external crystal successfully. I am able to burn the bootloader using ISP and flash the chip using FTDI and the clock seems right. The mega is ...
0
votes
1answer
477 views

Connect to a serial output device with 12V power input with 5V USB-TO-UART

I have DG600F coin acceptor with 12V power input and serial port output CP2102 usb-uart bridge and FDTI TTL-232RG cabel as an alternative A PC and Macbook as alternative I need to connect DG600F to ...
0
votes
1answer
158 views

How do I connect a bno055 chip to a Linux pc via an FTDI UART breakout sensor?

I want to create a C++ (or C) program that reads in a stream of Quaternion data from the bno055 Adafruit chip. My set-up at the moment has an Ubuntu PC as the controller. Plugged into the PC is a ...

1
2 3 4 5 6