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

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Android fails to detect FTDI device

This question is similar to this but resolution of that one does not help for my problem (I have TEST pin of FTDI chip already connected to GND). I want to connect FT232R chip to android phone. I ...
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3answers
52 views

FTDI chip based custom board. Driver not working

I designed a board containing a USB to UART bridge in order to program a ATmega microcontroller. I copied the schematic of this breakout board from Sparkfun https://www.sparkfun.com/products/9716 ...
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0answers
51 views

One FTDI on Three Atmega [migrated]

I'm doing a schematic for an arduino project-based and I can not proceed. I'm facing a problem which I have no idea how can I solve it so that's the reason I'm writing back to you. The thing is: I ...
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1answer
46 views

Android fails to detect FTDI chip

I want to connect FT232R chip to android phone. I have downloaded FTDI terminal for android from https://play.google.com/store/apps/details?id=com.ftdi.j2xx.hyperterm FTDI program has to ...
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1answer
86 views

Powering circuit from PC's USB port

I am working on a circuit connected to computer with FTDI FT232RL. The circuit have got some op-amps and one MCU. Total power consumption (including FTDI chip) is near by 80 mA /h (at 5V). My ...
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0answers
301 views

Turn Nano with CH340G(16 pin) chip into a USB to Serial converter (TX not working)

I am trying to convert a CH340G Bases Arduino Nano into a serial converter with 50% luck. It is able to receive data on the serial side but the USB to to serial bit is not sending data out. (Validated ...
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2answers
139 views

FTDI (FT232RL) powers itself through RX/TX lines [duplicate]

I have an FT232RL connected to an AVR Atmega2184P (running the Arduino core) UART. The microcontroller has two power supplies - a LiPo battery (VBat), and USB power (Vin). The way I've designed the ...
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0answers
50 views

Problem with connecting Arduino nrf8002 to PC using FTDI board

According to a tutorial ( http://www.jayconsystems.com/tutorial/nrf8002_ble/ ) I'm trying to connect nrf8002 device to my PC to setup the settings using nrf Studio software. So first I connected the ...
0
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1answer
69 views

FT232RL VCCIO Configuration

I want to make a 3.3V I/O (UART) interface between a FT232RL and AVR which operate at 3.3V For this configuration responsible it's VCCIO and must be connected to 3.3V supply. But what about VCC? Can ...
0
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1answer
69 views

Can I use an Adafruit Trinket as a simple Android peripheral?

I want to control the standby state of an LCD panel through an android media PC. I'm thinking of using a Trinket as a cheap android USB peripheral. Is this possible? Or should I be looking at an FTDI ...
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2answers
83 views

FTDI cables confusion

I went to the store and asked for a FTDI cable however, I need a bit of assistance, apparently I didn't properly do my homework before shopping and I ended up with upper pic. I need an FTDI cable to ...
0
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1answer
176 views

NAND Flash reader using FTDI

I'm trying to read data off a Hynix NAND Flash chip. Ive soldered the NAND Flash onto a break out board and connected it to my FT2232H FTDI. I'm using the following software to read the NAND Flash: ...
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1answer
93 views

Connecting FT2232H board (60 MHz via 2.54 mm header) to FPGA board

I am trying to connect FT2232H breakout board (http://www.digikey.com/catalog/en/partgroup/ft2232h-evaluation-board-ft2232h-mini-module/15377) to DE0-Nano FPGA board ...
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1answer
308 views

50 MHz FPGA (Cyclone IV @ DE0-Nano) and 60 MHz input from FT2232H

I want to read data from FT2232H used in an FT245 style synchronous FIFO mode (http://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT2232H.pdf p.27) with DE0-Nano FPGA board: ...
2
votes
1answer
111 views

AVR external crystal not working with UART

So I have an ATmega328P with a 14.7456MHz external crystal, full-swing settings, and I'm trying to talk to my mac via UART and an FTDI friend-type device. If I connect AVR Tx to AVR Rx, then all ...
0
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1answer
92 views

How to get 32u4 arduino to ignore DTR for USB Serial?

32u4 based "USB Serial Ports" refuse to send data to the PC unless DTR on the PC software side is set to high. If the PC software does not set DTR to true (high?), then Serial.print() on Arduino goes ...
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2answers
118 views

Convert FTDI USB signal back to serial

I have a data logger with a USB output (FTDI FT232RL) and I'm trying to get the information remotely using a XBee modem, but my problem is that I need to "convert" the USB signal back to serial to ...
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2answers
278 views

RS485 network failing on replacing SP485 chip with MAX485

I have created an RS485 communication network as shown below. {PC}->[FT232->RS485](120 ohm)<----twisted pair(2 wires)------>(120 ohm)[RS485 -> MSP430] Here PC acts as Master and sends the data ...
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2answers
165 views

Event using FTD2XX_NET.dll

I am using a FT232RL chip with FTD2XX_NET.dll I've made a program which writes and reads data to/from AVR atmega32 mcu. First writes data, then reads data as answer. Now, i want to make an event ...
-1
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1answer
68 views

Is it possible to connect FT2232D's 3V3OUT pin to VCCIO for USB-JTAG programming?

I want to design a USB-JTAG Programmer with FT2232D. And I want to program Xilinx spartan3 FPGA with it, so I need 3.3 volt logic for VCCIO. Datasheet indicates that FT2232D has an internal regulator ...
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1answer
185 views

FTDI chip (FT2232D) malfunction

I'd designed a USB-JTAG Programmer with FT2232D. I programmed Xilinx spartan3 FPGA 2 times yesterday and everything was perfect. But today when I connect it to my laptop I see the following message: ...
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1answer
79 views

FTDI communication speed

How can I get very high speed from a FTDI chip? I have tried with FT232RL with UART in 230.4kbps but I want much more than this. Will I need some other different speed?
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1answer
120 views

What's the easiest way to get fast USB serial communications?

What's the easiest way to get fast USB serial communications from an Atmel SAM microcontroller? I consider fast to be faster than 1 Mb/s. In my previous projects I've used an FTDI module, but I've ...
5
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2answers
581 views

Why FTDI and not AVR with built-in USB controller?

I made a simple program in Visual C# which communicates with AVR via FT232RL chip. PC <-> FTDI <-> MCU. I am using FTD2XX_NET.dll for direct access to USB Device. I'm wondering, what's the ...
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1answer
207 views

UM232H-B Breakout Module as a parallel port

I want to build something like UM232H-B Breakout Module. This configuration uses an FT232H, to convert usb to serial/parallel. I don't know whether it works with FPGA parallel port programming cable ...
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0answers
77 views

Parallel Write On External Clock on STM32

I am using 8 GPIO pins on an STM32F407 for a parallel write to an external device (FT232H). The parallel write is synchronous, ie. I have to synchronize my data to a clock provided. According to the ...
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0answers
176 views

windows can't recognize my lattice machxo2 board

I purchased a MACHXO2 - 1200ze evaluation board a few days ago. I started with designing and programming simple projects as blinking leds, which worked perfectly. After that at the same day I tried ...
0
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0answers
38 views

FTDI Channel error when all the port are being used

I have written FTDI i2c driver for FT4232H using Python d2xx library to read a INA219 CSM's for Power Measurements. One strange behaviour seen by the driver is - 1) When I open 3 Channels as COM ...
0
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1answer
241 views

does Tera Term handle software flow control internally? [closed]

The title may be a little confusing but i'll explain the situation: We have the following situation: ARM MCU -> UART -> FTDI chip -> USB -> PC -> Tera Term terminal The FTDI chip has built-in hard- ...
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2answers
207 views

How device drivers work

Can anyone explain how device drivers work? I have seen Arduino and other development boards communicating with the PC's USB port with the help of a FTDI chip. This thing can be made to work after we ...
2
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1answer
386 views

Why does FTDI RS485 signal look wrong?

I have an in-house board with a microcontroller (Microchip dsPIC33E) and an RS485 driver (Analog Devices ADM2587E) that I'm trying to connect to a desktop PC using an FTDI (USB-RS485-WE-1800-BT) USB ...
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1answer
220 views

USB to Serial cable and VCC current output [closed]

I have question about generic USB TTL Serial cables, FTDI FT232R-based. The cables differ in voltage, 5V, 3.3V and output current. USB TTL Serial Cables I need a cable for a USB to serial ...
0
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1answer
142 views

Connecting to pins on USB to Serial module (contains FT232RL chip)

I have this module: My question pertains specifically to the RX and TX pins shown (sorry for having it upside down, only way I could make it look clear.) I don't understand why there are 4 pins, ...
0
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1answer
236 views

Bus and self powered device using FTDI FT230X

I'm trying to wire up my first device using an FTDI USB to Serial converter. FTDI recommends not mixing bus and self powered designs. But they also mention that it's possible in the documentation. My ...
0
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1answer
605 views

How do the TX/RX/CTS/RTS/DSR/DTR/DCD/RI/GND signal monitor LEDs on these odd FTDI-based USB-RS232 converters work?

While searching for a "decent" USB-RS232 converter, I turned up the following two fascinating creations which have status LEDs for all the signal lines: This concept really appeals to me from a ...
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5answers
6k views

Programming an ATMega328 with Arduino bootloader via a FTDI USB-serial adapter

I would like your advice relating to using the Arduino IDE and avrdude to program an ATmega328 which is preloaded with an Arduino bootloader. I am using a USB to TTL-serial breakout board based on an ...
1
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1answer
185 views

Can I use Arduino's FTDI chip for another device?

I have an Arduino UNO (R3) with its main chip and main crystal oscillator accidentally destroyed, but everything else is working I presume. I started learning PIC (16/18f) and was wondering if I ...
0
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3answers
500 views

Can I use a USB-FTDI TTL converter cable as a USB-TTL converter cable?

I have the need of a USB-TTL converter cable, but all I have is a USB-FTDI converter cable, that means I have two additional pins (RTS/CTS). If I do not connect RST/CTS pair, will the converter cable ...
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2answers
791 views

Debugging tool for the FTDI FT2232H in Sync FIFO mode

Does anyone know of any software available to take data from the FT2232H in 245 FIFO Sync mode and write it to screen or to a log file? Basically, I am using the FT2232H IC to transfer a large amount ...
2
votes
3answers
206 views

Do I need to program a USB-Serial FTDI chip before using?

I'm building a PCB with an ATMega chip. In the past, I've used Sparkfun's FTDI breakout board to program the ATMega. However, I'd like to implement the FTDI chip and USB port on my own PCB, ...
0
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0answers
187 views

FT2232H as USB to MCU UART configuration using D2XX

I'm having trouble using the FT2232H as a USB to MCU UART bridge. I was able to open the device using and set the baud rate using D2XX commands. However, I cant see any UART output in my logic ...
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2answers
389 views

Are FT2232 interfaces completely independent?

Reading through the FT2232 dual USB UART/FIFO datasheet, it is unclear to me if the two interfaces are completely independent. In other words, can I configure interface A as MPSSE and interface B as a ...
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2answers
719 views

FT2232D - Device not responding to set address

I've ordered a custom planned PCB which contains an FT2232D chip. Circuit looks like this: VCC and USB_VCC are connected on another page. GND and USB_GND are connected on another page. Datasheet ...
2
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2answers
481 views

Possible to use USBTinyISP as an FTDI?

So, I have an atmega328p and I need to communicate with a computer from it, so I need an FTDI. However, all I have is a USBTinyISP. Is there some way I could hack something together so that I can use ...
5
votes
3answers
533 views

Problem Switching Relay with Transistor from Microcontroller

This is my first time posting here, so hopefully I'm doing it correctly. I've build a circuit which uses a USB-connected FTDI-UMFT240XA. ...
0
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3answers
521 views

USB-to-Serial chips or MCU with USB support - what are the options? [closed]

I'm looking for a cheaper alternative of the FTDI chip to add USB support to an MCU, so far I like the PL-2303HX however the problem with it is there are fake copies all over the net. And I don't see ...
0
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1answer
2k views

Creating a USB to RS485 converter with FT232RL chip

I want to create a USB to RS485 converter with auto switching between transmitting and receiving the data. I found this circuit schematic on the internet. My question is, Do we have to program ...
0
votes
1answer
566 views

How to run Arduino-on-breadboard at 3.3V and still have USB communication to PC

I have built an Arduino on a breadboard (using an ATmega328PU) with an 5V FTDI USB controller. I want to be able to run the Arduino at 3.3V instead of 5V. It works completely at 5V supplied by the ...
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2answers
665 views

USB / Serial converter without FTDI Chip [closed]

First of all I want to mention that this question is related to my last question about USB connection. ( please note that this question is about a specific topic that my last question is not about, ...
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3answers
5k views

Arduino fio avrdude: stk500_getsync(): not in sync: resp=0x00

I have tried EVERYTHING to make this work, including replacing the board. I have an arduino fio I am attempting to upload a sketch to it (just a blink to validate it works) with an FTDI to USB cable ...