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Questions tagged [ft232]

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Do FT232 come pre-programmed out of the package?

I'm working on a board which requires USB serial communication. For this I want to use an FT232RNL, however I'd like to know if I need to program it before I install it on the board. Also, do I need ...
hdaniu's user avatar
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Gibberish data with custom Atmega 2560 UARTs

So I have an issue with the UART configuration of my customized uC based on the ATmega2560. To establish serial communication, I'm using the FT232RL chip and the Arduino IDE. I don't have any issues ...
Wyufiyra's user avatar
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3 answers
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Custom FT232RL (FTDI) PCB not recognized

I designed my own PCB and received it, but none of my pcb's can be found in the ports list or with the Ft_prog tool from ftdichip.com. Here is my schematic: I saw that I had to connect pin 4 to pin ...
Paulo971's user avatar
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1 answer
733 views

FT232H on PCB Causing "USB device not recognized" Error on Windows

I have designed the following FT232H circuitry into a board on which I require a USB to I2C interface: This circuit largely comes from the schematic for the UM232H eval kit (which I have and it works)...
DerStrom8's user avatar
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1 vote
1 answer
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FT4232H Not Appearing

I am currently testing a custom PCB using an FT4232 chip. I have had this chip manufactured and am currently trying to get it to be recognized by my PC. I have it currently connected to a USB port ...
Patrick Voorhoeve's user avatar
1 vote
2 answers
163 views

Pico / FT232H FIFO bad data

So. I've been trying for several days to get parallel data transfer from a Raspberry Pico through a FT232H to a host computer. I'd like ~25MB/s, which is why I'm trying this route in the first place....
Erhannis's user avatar
  • 177
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1 answer
89 views

FT232RL: USB not recognized

I designed a circuit with an FT232RL IC, but Windows doesn't recognize the USB. Please refer to the attached schematic diagram.
Viraj Parshuram's user avatar
2 votes
2 answers
307 views

FT232H FIFO slow USB?

So, I have an FT232H chip, specifically this breakout. I'm trying to read data as fast as possible from it, so I've set it to synchronous 245 FIFO mode, which the datasheet says should yield up to 40 ...
Erhannis's user avatar
  • 177
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2 answers
81 views

FT232RL OSCI pin termination

How do deal with Input pins, which not in use. Have seen many examples, where they kept floating, but I don't like personally when an high-Z inputs kept floating in the design in some IC which I could ...
Pinus's user avatar
  • 95
1 vote
1 answer
208 views

Can't receive any data from FT231X

I want to use the FT231X as UART-to-USB adapter, with a ESP32 as UART host. Schematic: I can confirm that the ESP32 outputs the correct UART messages via the ESP32_U2TX pin (confirmed with ...
michaelgr22's user avatar
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2 answers
599 views

FT232H: Clock stretching using MPSSE

I use an AN108 to drive my I2C line (actually SMBus). I'm debugging with an oscilloscope. Doing a read, right after the 8b address, I found that the slave was pulling down my clock signal SDC for a ...
None's user avatar
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1 vote
2 answers
303 views

Crystal drive level for FT232H IC

I am designing a board with an FT232H chip to communicate through USB (bus powered configuration). The oscillator configuration is described in the datasheet, with the pertinent section pasted below. ...
ron19's user avatar
  • 107
1 vote
2 answers
125 views

FT232 UART connected with a light sensor BH1750

I want to read serial data by a python script from a light sensor. I have the light sensor BH1750 and a USB-TTL Chip (see image). I have no idea about electronic hardware. Could someone tell me how I ...
Ardit Selfo's user avatar
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0 answers
285 views

ESP32-C3-WROOM: error flashing chip

I am developing an ESP32-C3-WROOM custom board, but when I tried to flash the chip using UART (FT232D USB-TTL) and Arduino IDE, I got the message "A fatal error occurred: Failed to connect to ...
Nirmal Mathew Theruvil's user avatar
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0 answers
494 views

FT232RL Chip is not working (USB to TTL)

I used an FT232RL chip to make a USB to TTL converter using the schematic below. Although I can send a message and the TX LED is lightining up, I cannot receive any messages. Can anyone see a problem ...
Aiakon's user avatar
  • 19
2 votes
1 answer
375 views

FTDI LIBMPSEE unreliable SPI connection

I am sending bytes from SPI master (FTDI FT2232H) over SPI to the SPI slave (FPGA). SPI master is actually a C program that implements libMPSSE directly from the FTDI. C program looks like this: ...
71GA's user avatar
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2 answers
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FT232RL PCB design

I am working on a PCB board design. I am using an STM32 as processor and an FT232RL as a USB to serial UART interface. If I make a circuit as in the attached schematic, can I transfer data with USB ...
Enes Orhan's user avatar
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2 answers
169 views

Vbus led doesn't turn off after disconnecting USB cable

I designed a circuit based on FT232XS (USB bus powered configuration). I placed red Led on vbus, when I disconnect the usb cable the led doesn't completely turn off and (tx, rx) leds start slightly ...
PCB-ABBS's user avatar
  • 176
0 votes
2 answers
141 views

232RL as COM port: Recognize the device on commercial product - from the software's perspective

I am making a device that uses 232RL to translate from UART to USB and windows see a COM port. The connections are like so: simulate this circuit – Schematic created using CircuitLab I want to ...
Christianidis Vasilis's user avatar
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2 answers
314 views

FT232RL keeps resetting

I have a small board with an atmega328p and an FT232Rl. The atmega seems to be working without problems when connected to power and the programmer but when connecting the FT to usb it enters a reset ...
Kristhian Otero's user avatar
2 votes
1 answer
475 views

FT230X no handshaking signals

I'm new to digital circuits so I apologize if this is a stupid question. I'm building a small circuit where a mcu is connected to a FT230X ic to enable the internal uart to communicate with a computer ...
John Smith's user avatar
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1 answer
97 views

Did I connect the FT232 with the Digital isolator Data wired the other way?

I think I connected the Data wires from the FT232RL to the USB Isolator ADUM3160BRWZ upside down. I just want to confirm this, Data - of the one should be connected to Data + of the other ? Datasheet ...
Christianidis Vasilis's user avatar
0 votes
2 answers
609 views

FT232 Chip as UART to USB freezes windows and and access denied

(Posting my own solution here) I was trying to use a FT232 to communicate with my Atmega328p-AU (arduino uno's MCU) and even though I had several times made this connection which worked fine, this ...
Christianidis Vasilis's user avatar