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

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Populating a list of connected ATMEGAs

I'm building some switchgear. Currently building a GUI to control an unknown number of PCBs based around the infamous ATMEGA328P, via a FT232R to the UART of the MCU. The current way of populating a ...
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16 views

What is the FTDI config for a Numato WaxWing Spartan 6

Unfortunately I've overwritten the configuration of the FTDI chip on my Numato WaxWing Spartan 6 FPGA development board. I've managed to reset some values back, so I can at least communicate with it, ...
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43 views

FTDI chip stops working when sending 255

I built a simple DMX interface with these instructions. However, sometimes after a few minutes it stops working, the LED stops blinking and no more data is sent. It will only work again after ...
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65 views

FTDI Vinculum code read out protection

I designed a USB dual host based on a FTDI's VNC2-32L1B. I'd want to protect its firmware from being read/copied cause it contains pretty sensitive data (private keys, etc.), but the VNC2 has no read ...
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96 views

Using libnfc with Raspberry Pi and PN532 board?

I am trying to use a PN532 Board (NFC Reader) with Raspberry Pi. I am using the ITEAD PN532 Board. First of all I connected a FTDI cable to the board. I followed these steps to install libnfc: ...
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2answers
101 views

How can i make a 3.3v ouput from 9v battery? [duplicate]

I'm a newbie in embeded system and basic electronics ,Yesterday i purchased a esp8266 wifi module from amazon along with ftdi usb driver i'm also have an Arduino uno, esp8266 require 3.3 v . Arduino ...
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53 views

How to Erase and Flash MachXo2 with FTDI and JTAG communication

I am new to Jtag, in my project i am using FTDI2232H and MachXO2-1200ZE CPLD while i am trasferring Opcode of read device ID [0xE0] i am getting Perfect device id. here is my Device Id code ...
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1answer
50 views

Simple Question: Connecting Mac with 3.3V FTDI USB Cable to 5V Breadboard

I'd like to connect my iMac to a breadboard with a 3.3V TTL FTDI USB cable. The breadboard has an Atmega328 AVR microcontroller powered by a 5V regulated power supply. Sorry, if this is a naive ...
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1answer
155 views

Example code to read device ID of MachXo2 with FTDI -JTAG

In my project I am working on MachX02 programming with FTDI master using JTAG functionality. I am trying to read device ID of MachX02, but not working, here is my sample code to read device ID of ...
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1answer
98 views

Windows 10 updates drivers for FTDI

I have one question about the following products: foca-v2-2-ft232rl-tiny-breakout-usb-to-serial-uart sparkfun-ftdi-basic-breakout-3-3v I bought them last year and after time without using them I ...
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81 views

Need the pinout for this noname FTDI board [closed]

I would really like to know the pinout for this FTDI board. It has no model number on it and on google picture search I couldn't find it. It has 2x4 pins on the end of the two sides soldered in. I ...
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78 views

FT232RL VCCIO Question

Reading the datasheet of the FT232R from FTDI did not answer my question so I'm asking here: I have the following configuration: VCC: +5V VCCIO: +3.3V The Part ...
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2answers
88 views

Convert TTL levels to RS232 of FTDI USB<->Serial

Have this small interface FTDI FT232RL to connect a Serial device to the computer via USB. It has been working well for most of my Serial applications, except today when I tried to use it for a ...
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1answer
49 views

Question about FTDI USB-to-Serial Evaluation board [closed]

The evaluation board I am talking about the FTDI EVAL232R evaluation board which can be found at the bottom of this page. It employs a FT232RL IC. What I want to do I would like to connect a USB ...
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1answer
75 views

FT2232H with non-standard crystal

I'm making an interface board using FT2232H in sync mode with a small FPGA, and thought how everything could be much easier if I can just use FT2232H as my clock source. Unfortunately I need different ...
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2answers
117 views

Strange issue on Raspberry Pi UART (with FTDI USB <--> RS-232 adapter)

I'm trying to establish a high speed UART communication on Raspberry Pi board. Since internal UART is not quite good at 1+ Mbaud, decided to use FTDI adapter (based on FT232RL chip) instead. I've ...
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1answer
198 views

FTDI code 10 - what can I do to resolve problem?

I am using the FT230X as a USART to USB interface on my boards. The first few work OK but then with the last one I get a Code 10 (cannot start) on my PC. It works fine on another PC when tried. I ...
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1k views

How to detect fake FTDI chips?

Apparently, there are some counterfeit USB/Serial FTDI chips on the market. Searching the web one finds people comparing fake/original ones via opening them mechanically/chemically. But how to ...
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1answer
89 views

FT232h ACBUS 8/9 not working as TX&RXLED# in MPSSE mode

I use an FT232H in MPSSE mode and tried to use ACBUS8 and/or ACBUS9 as TX&RXLED# output. I populated the EEPROM and programmed pins ACBUS8 and ACBUS9 as TX&RXLED# output. As long as I use the ...
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1answer
351 views

FTDI d2xx driver not reading bytes on Android to communicate with MDB board to Vending Machine

When trying the D2xx driver from FTDI, there was no bytes being read by Android Device. Below are the codes: when opening a port to use (since only 1 port in android it is default to the first port ...
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2answers
132 views

Best way to connect to UART lines to multiple entities

I have a sensor that I'm connecting to MCU through UART for data logging and other purposes. However, I also want to program the Sensor independently and I have configured the same UART lines from the ...
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1answer
267 views

USB hub and slave on same pcb - are serial resistors and capacitors needed?

I'm building a device using TUSB2046B hub controller 4x FT230X USB to UART controller First, let's look on Hub controller sample application: Note D: All USB DP, DM signal pairs require ...
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2answers
95 views

USB to multiple RS485

I'm trying to create a device that will control a few independent RS485 lines using single USB port. My first idea was to use GL850G usb hub controller (4 downstream ports), 4x FT232R, 4x MAX485. I ...
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1answer
100 views

FT230XS USB Bridge not working

I designed a small board that needed the capability of communicating over USART, so I threw in an FT230XS USB|USART Bridge. The device use is so simple that I am out of ideas for troubleshooting. ...
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1answer
44 views

Can FTDI Basic Breakout and FTDI XBee Explorer USB be used alternatively?

I wonder if these two boards from sparkfun can be used alternatively for USB to Serial communication? The first: (FTDI Basic Breakout) https://www.sparkfun.com/products/9716 The second: (FTDI XBee ...
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3answers
586 views

What is the maximum number of bytes that can be sent through USB-to-serial COM port at one go?

Suppose someone uses hyper-terminal to send a very long ASCII string at a COM port. This COM port is created by FTDI USB-to-serial port cable. The cable used is http://www.ftdichip.com/Support/...
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1answer
148 views

FT232RL TX/RX Direction

I want to basically embed an FTDI cable in my board to avoid confusion with the RX/TX pins, wrong cable, etc. I really want to make sure I choose the direction correctly though. I have ...
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2answers
202 views

FTDI UART programming (first steps)

Im currently trying to leave the arduino board aside and starting program microcontrollers on pcb boards via programming pins, im using an ATMEGA328u from this premade board, For starters im trying to ...
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2answers
87 views

FTDI disappears when powering circuit with it.

I'm trying to us the ESP8266 wifi board and when I power it over the 3.3v out on the FTDI the entire usb disappears from ubuntu. as soon as I take the power away it shows back up again. What could ...
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1answer
202 views

Why does the Tx pin of an USB to TTL adapter provide current?

I'm currently making a little electronic board on my own. On it, a microcontroller: an ATmega328p running with 5V. To communicate with a computer, I've planned to use an XBee, but for now I'm using ...
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93 views

How to connect a TVS to protect the data lines in a USB device port?

TVS is a good practice to protect USB ports. A USB (at least 2.0) connection has the power path supplied with a 5 V source (Vbus=5V0) at the host side and the data path supplied with a 3.3 V sources (...
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204 views

Is FT232R/245R eeprom write-protectable?

FT232R and FT245R have embedded EEPROM. Does a known way to protect the content of this eeprom against re-writing exist? (Any solutions, including unofficial and hacks, are welcome.)
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770 views

Programming PIC from USB usign FT232

I have a PIC18F1330 which does not have native USB capabilities (see datasheet). I am planning to load it with a bootloader using my PICkit the first time and then programming from a USB port after ...
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2answers
5k views

Gibberish output from an ESP8622 WiFi module

Recently I've got myself a couple of ESP8266 modules. I flashed the latest NodeMCU firmware, and tried to communicate with a PC using UART. Here's how I wired my circuit: Using a simple USB to ...
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1answer
318 views

Convert FT232RL board from 5V to 3.3V

I have a couple of these FT232RL breakout boards direct from China, look like they are Folger boards. I measured the voltage between Vcc and GND, and it's 5V from the factory. It has 3.3V pad on the ...
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1answer
397 views

Additional TX and RX pins for FT232RL Microcontroller Interface

I'm designing a board that needs to be programmable via USB and external TX/RX pins. I decided to use FT232RL ( http://www.sparkfun.com/datasheets/DevTools/Arduino/FTDI%20Basic-v21-5V.pdf ) for the ...
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635 views

FTDI ft232rl 3.3V logic interfacing PIC microcontroller

I want to interface a ft232 with PIC16F73. I am using the circuit below: VCCIO is connected with VCC which is 5V. Then I think all logics from TXD,RXD will be 5V, isn't it? If I connect VCCIO with ...
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346 views

Garbled serial output from breadboard ATmega328 via FTDI breakout

I have an ATmega328P-PU on a breadboard, and I am trying to get serial communications working through one of these bad boys: The 328P is loaded with a modified blink sketch that just does a ...
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134 views

FTDI2232d + TM4C1294 configurations

I posted this question before, but I am still struggling with this. I captured a schematic and others in this time so it should be more clear to see what's going on. I was given a custom board ...
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1answer
233 views

How does the ft2232h read/write work in cpu-style FIFO interface mode?

I'm thinking of making the following circuitry: PC <-> Ft2232h <-> MCU (I'm using the MCU just for an initial test to see if I can get the ft2232 working. An FPGA will be used later) Have I ...
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3answers
135 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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1answer
233 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
235 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 op-...
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2answers
1k 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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1answer
493 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 ...
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171 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
266 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 ...
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795 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
196 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 (http://www.altera.com/education/...
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2k 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: ...