Questions tagged [programmer]

A tool to program microcontrollers and/or programmable logic.

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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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1answer
36 views

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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1answer
47 views

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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37 views

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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1answer
121 views

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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1answer
164 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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35 views

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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1answer
52 views

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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1answer
38 views

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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1answer
87 views

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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1answer
148 views

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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1answer
104 views

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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1answer
369 views

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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1answer
89 views

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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1answer
138 views

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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2answers
90 views

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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1answer
69 views

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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129 views

OpenOCD SAMD21 programming from RPI Error Flash write discontinued / NVM programming error

I am trying to use OpenOCD + RPi to program an ATSAMD21J18A via SWD. I have a connection, can see flash info but programming fails with a Flash write discontinued / NVM programming error. I have a ...
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1answer
60 views

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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52 views

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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2answers
1k views

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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0answers
43 views

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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2answers
255 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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87 views

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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1answer
53 views

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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0answers
49 views

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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49 views

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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41 views

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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1answer
55 views

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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41 views

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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169 views

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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1answer
36 views

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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0answers
51 views

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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1answer
255 views

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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1answer
114 views

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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1answer
394 views

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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3answers
2k views

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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1answer
242 views

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 ...
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1answer
62 views

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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2answers
28 views

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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1answer
1k 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)...
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0answers
325 views

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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2answers
391 views

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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1answer
523 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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1answer
388 views

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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1answer
3k 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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2answers
6k views

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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2answers
3k 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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0answers
159 views

Deployoing compiled program from Atmel Studio or Avr dude to Atmel "XMEGA-A3BU Xplained"

Im attempting for the last 3-4 days to connect the Atmel dev board to the computer in order to either load the .elf or hex file to the bootloader in order to turn on a LED. Im following instructions ...
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1answer
128 views

AVR programmer necessary? [closed]

I have an atmega168pb and I've noticed that there is a difference in how the board can be programmed between Windows and Linux. On Windows using Atmel Studio you can select an ISP interface and it ...

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