Questions tagged [programmer]

A tool to program microcontrollers and/or programmable logic.

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Programming unlisted ST microcontroller

STM32F400CBT6 is not found in the list of ST microcontroller. I've bought it from LCSC. It's datasheet is found in LCSC only that is also in Chinese only. I am not able to program it using stlink. The ...
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Why does ESP-prog need JTAG connection to program an ESP32?

I recently bought an ESP-prog module, and use it to debug/program esp32 chips, using vscode and platformio. I am connecting the JTAG cable and the program cable. Debugging works well, and programming ...
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How to program attiny85 on-board without separate leads?

Another newbie question. I’m planning on ordering my first ever printed PCB that would be a simple 3 mm LED driver controlled by a ATtiny85. Now… I could program the chip using a SOIC-8 to DIP-8 ...
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Programming an ATtiny828 with an Arduino [closed]

I want to upload code using an Arduino to an ATtiny828, is this possible? I saw on YouTube you can upload code to an ATtiny85. Thank you in advance. I want to use this for a PCB design that implements ...
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Error in programming ESP32-S2-WROVER

I have two circuits. One with ESP32-WROVER-IB and another with ESP32-S2-WROVER. I connected both similar fashions. However, I see I can flash the ESP32-WROVER-IB, but I am unable to flash the ESP32-S2-...
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ATSAMD21E18A - Atmel ICE programming error

Recently I have designed my custom PCB board, which includes a SAMD21E18A. Unfortunately, I am having trouble with programming. I am enclosing the schematic (please ignore the quality of the schematic,...
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Serial flash programmer, how to update only part of the data in SPI Flash

I have SP8-A serial flash programmer and Winbond 25Q32BVSIG chip. I want to update only specific part of the data in SPI Flash, not touching the rest data on the chip. The programmer Manual does not ...
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Help with reading and programming 93c56 EEPROM [closed]

I need some advice on software and hardware. I would like to read and program the 93c56 EEPROM chip. The chip is removed from the device. I would like to read the content of the EEPROM and compare it ...
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519 views

Programming ATMEGA328P with an USB-UART adapter

I'm having trouble using this USB to serial converter to program my ATMEGA328P. Let me show my steps below: I have bootloaded the ATMega328 using the Arduino as an ISP. I then used the Arduino as an ...
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How to upload new firmware to Ralink RT5350F board

I took apart old Edimax SmartPlug (model SP-1101W) to find out that the brain of the device is Ralink RT5350F chip conviniently placed on removable module board: The board has two rows of 14 pins (28 ...
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QFN Programming / Tester / Adapter

I need to be able to test a batch of components ordered abroad. Soldering and removing them one by one would take a long time. I need to be able to read this 6 by 4 component. But can't find anything ...
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AVR ATMEGA32A UART not send and receive data unless programmer is connected

The code in micro is to turn a LED on when it receives "1" from UART and off when receives "0". For VCC I use a phone adapter (5V, 0.7A) which works properly and is suitable for ...
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Flashing nRF9160 on a custom board with FTDI UART converter or nRF5340DK?

I'm working on a custom board with nRF9160, I want to flash it with the asset tracker sample, however, I do not own a J-link device. What I have is a FTDI USB-UART converter, a nRF5340DK board, a ST-...
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Difficulty programming a custom Atmega32u4 board with a snap programmer using ISP

I've made a PCB which contains an Atmega32u4, and just finished soldering it up today. Now, I realised that I bought the wrong Atmega32u4 version - I bought the version which does not by default use ...
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Debug STM32 with Nucleo

Would it be possible to debug/program another PCB including an STM32 MCU with the debug connector provide on the Nucleo-G474RE? (I don't have an external programmer yet) What would you recommend for ...
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Microchip device support - MPLAB Snap supported or unsupported devices list

Need to program and debug PIC and AVR MCU's so MPLAB Snap looks to be a very attractive option however: "it supports many of Microchip’s newer MCU offerings but not some legacy products" - ...
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Externally programming an SPI Flash

I'm interested in flashing a firmware to Macronix MX25V8006E externally, before placing it in the SMT process. This SPI is an external SPI flash for a PCIE to USB 3.0 adapter board which uses VL805-Q6 ...
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Programming CH552G

Stack Overflow isn't letting me have all the links I need here, so I put them all in this google doc. Sorry about that! This is my first solo embedded development project, and I can't seem to figure ...
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Transistor turns off only after a delay

I'm building an IC programmer (for the AS5043 sensor) that requires two voltage levels; 5V and 7.5V. I decided to control those with two PNP transistors. I'm controlling them from a 5V microcontroller....
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Building custom hardware for programming boards with microcontrollers

I have a PCBA that includes a MSP430 microcontroller and another module. The connection is shown in the photo below where the former (MSP430) is at the bottom and the top is for the other module. ...
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dsPIC33CK64MP102 turn on Led

I have just started to pre-program with the dsPIC33CK64MP102 and I want to turn on an LED that I have on the RA0 pin. I have used mplabX's mmc to configure the pins and clock. I have only activated ...
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How to flash ATtiny85 with clock quartz (32khz) again?

I flashed ATtiny85 once with simple program blinking for 1 second. F_CPU = 32768. I set low fuse byte to 0xe6 with avrdude. According to datasheet 6 = 0b0110 CKSEL is intended for low frequency quartz ...
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How do I resolve the following error "Verify failed. [ Pgm ] at 0x0, expected 0x00002805, got 0x00002807" in MPLAB X IDE

I recently decided to get into learning how to develop embedded systems, using MPLAB X IDE and literature available on microcontrollers. The vast majority of which referenced the PIC16F84 and as such ...
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Power OFF then ON an ESP8266 when GPIO0 go low (aka reset ESP without nRST pin)

I need to flash some ESP8266 based devices that does not have the nRST pin accessible, but only: VCC, GND, RX, TX, GPIO0 As programming board I'm using an old NodeMCU board that has this auto-...
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2 answers
370 views

Is a JTAG programmer capable of any microcontroller which supports JTAG?

Sorry if my question is very basic, but I couldn't find the answer by searching the internet. I want to buy a JTAG programmer, but in the datasheet of this programmer there is a list of "...
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Winbond v/s ITE chip

My ASUS motherboard has both a winbond 25q64fvsig and a it8995e-128 chip. In a repair shop in a country I was at the time, they flashed the wrong ASUS BIOS version. I tried flashing the right version ...
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Programmer/debugger options for microchip's eval board

I recently received a CEC1x01 eval board as a part of free hardware to develop solutions for a competition. My issue is regarding programming the board. They only shipped the eval kit and no hardware ...
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voltage level handled using optocoupler [duplicate]

I want to program at89c2051 chip. I am referring circuit diagram where the optocoupler is used to handle the 2 voltage levels (+12V and +5V). i didn't understand how Pin A0 and A1 will control the ...
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Programming CC3200 Microcontroller and Separate Flash Without a Development Board

I have an "Alfie" device which has wifi and USB, but I never use this device, so would like to change its function. It uses the CC3200 microcontroller (which has a little ROM) and a separate ...
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Lattice ispLSI CLPD dump/transfer hex file

I have two boards that contain Lattice ISPLSI1016-60LT44, one is dead in short circuit (is is very hot when powered also), one is on working condition. Even though this part is discontinued by the ...
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1 answer
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Using a Renesas evaluation board as a Programmer

I am new to using renesas microcontrollers, and could use some advice from someone with experience using them. I found this rl78 evaluation board and a quick reading of the product description on the ...
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STM32L011x3/4 TSSOP14 pinout schematic

Can someone who understands the bad subject in english can fix it schematic where exactly is the error ST-Link V2 debug programs error
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Can I use ST-LINK (or clone) for programming non-ST ARM{7,9} and Cortex A chips?

Can I program non-ST ARM926 or ARM7TDMI and Cortex-A chips using ST-LINK and ST-LINK clone? I've searched ST's website and I haven't found anything about this. If no, what is the cheapest way to do ...
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Does providing a noisy Vpp for a short period of time affect programming an EPROM?

I have been designing a complex(from my perspective) EPROM Programmer with an ARM-based STM32f103C MCU -actually it's a bluepill board- , I already programmed my EPROM before by hand manually and even ...
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Fischi.de/usbasp programmer

I have constructed the usbasp programmer that is described on the https://www.fischl.de/usbasp/ website. I uploaded the firmware to the atmega8 using an arduino uno and avrdudess I set the hfuse to ...
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St link v2 and stm32f401rbt

Hi i am designing my stm32f401rbt6 board i have stlink v2 which is common and cheap : I used blue pill (stm32f103),programming is done with 3.3v,gnd,swclk and swdio.So can i do same process with ...
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STM8 microcontroller burns when i plug in the ST-LINK (v1 or v2) programmer

I am working on a project/PCB that contains the STM8S003F3 microcontroller. Every time I do the following steps, the microcontroller gets burned. The steps are: I program the STM8S003F3 by using the ...
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ATMEGA328 USBasp schematic

I have some problems about programming my ATMEGA328 with USBasp programmer. I have found different schematics for the connections and I do not know which I have to use (and I'm afraid to break ...
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ST-LINK/V2 repairing issue

My original ST-LINK/V2 has been broken. There was the Short circuit between VDD and GND pins. I changed the MCU(STM32F103C8T6) and the voltage regulator(LD3985M33R) with new ones. Short Circuit ...
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Stand-alone flashing of STM32

I'm developing a fixture tool to test a custom PCB with ST Bluenrg1 (STM32 M0 core + bluetooth). This fixture tool has its own MCU working at 5V. I would like to flash automatically first previous to ...
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TinyFPGA A Series Board programmer compatibility

Since the TinyFPGA programmer writes configurations to the Flash memory of the FPGA chip, can I use that programmer for A series boards on any LCMXO2 chip? Or can I at least use it for the same chip ...
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What is IDC connector pitch on a USBAsp?

I am planning to use a USBASP programmer to program one of my boards, and I want to use a fitting receptacle on my board. I fail to find the exact pitch that the USBAsp's IDC connector has (as I ...
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1 answer
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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)...
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MON08 RS-232 Programming Interface

I'm trying to build a MON08 interface to program a 68HC908QB8, as per page 13 of this PDF: Low-Cost Programming and Debugging Options for M68HC08 MCUs Below is my schematic, from which I have ...
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Can I program an MCU directly from USB if it supports USB? [closed]

If a microcontroller has USB functionality, can I program it directly from a USB port? Can I design the PCB without a USB to serial converter? What are the precautions I should take? The example that ...
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1 vote
1 answer
690 views

Generate XCF file for Lattice Diamond from command line

I am writing a Makefile for Lattice Diamond and have come as far as to cover all steps from synthesis to bitfile. To program the FPGA (a MachXO3L in my case) I looked for a command line tool, and ...
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How to lock an ATMega328P from cloning? [duplicate]

I was working with the Arduino IDE. I tried to find out from where a MCU can be locked so that nobody can make a clone from it. I found many answers describing something about lock bit. I realized ...
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2 votes
1 answer
4k views

BOOT0 vs BOOT1 circuit design in STM32f103 (ST-LINK)

I have a question about designing st-link v2. According to the schematics provided by st.com Please help me in analyzing this schematic. Why boot0 was pulldown with a 100k resistor but connected boot1 ...
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How can I program an Atmega32u4 over USB with this schematic?

This is my first time trying to program an Atmega32u4. I made a PCB with the following schematic: Now I've soldered all the parts onto the PCB, and I've plugged a micro usb cable from my computer ...
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8 votes
2 answers
4k views

SWDAP vs CMSIS-DAP vs DAPLink

EDIT : I got the basic questions (for example, what is CMSIS-DAP?) answered by user @Nipo. Based on that, I restructured my post in a more logical way. Hopefully ...
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