Questions tagged [programmer]

A tool to program microcontrollers and/or programmable logic.

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37 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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31 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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27 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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26 views

How does this board achieve snapability (ESP8266 programmer) for a SMD IC? [duplicate]

There is a programmer for the ESP8266 that allows you to snap the ESP module in and out of the board to program without soldering? I never seen this type of connector before, does anyone have a part ...
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32 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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24 views

What are <device_name>@<device_index> to quartus_pgm?

I am trying to download the firmware of a MAX 10 FPGA with the "examine" operation. The help for the command line interface quartus_pgm to Quartus Prime says ...
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17 views

Can I use FlashPro for a user specific interface with FPGA

I am using SmartFusion2 FPGA for a design and would like to use the same JTAG interface used for FPGA programming to communicate with the PC (to perform operations like writing data to embedded RAM of ...
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1answer
109 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
65 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
79 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
157 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
116 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
45 views

TinyFPGA A series board programmer compatibility

Since the programmer writes configurations to the flash of the fpga can I use the TinyFPGA programmer for A series boards on any lcmxo2 chip? Or can I at least use it for the same chip with a ...
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2answers
23 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
316 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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89 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
185 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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183 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
217 views

How to lock an ATMega328P from cloning?

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
1k 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
2k 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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2k 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
103 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
102 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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1answer
101 views

PICKit 3 VDD Overcurrent

The PICKit 3 user guide tells me that it can source up to 30mA when in "Debugger Powered" mode, and that this mode can be used for independent programming in some cases. It also tells me the PICKit 3 ...
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2answers
100 views

USB type-B sockets vs USB Mini-B sockets [closed]

Most Programmers hardware equipped with USB type-B connectors for connecting to PC. USB Mini-B connectors are much less used in device programmers. Have the USB type-B connectors any advantages or ...
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1answer
128 views

Need help understanding an universal pin driver schematic

I was studying a schematic of an universal 48-pin device programmer, and while most of it seems pretty straightforward to me, I have trouble understanding the reasons behind some of the decisions made ...
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1answer
197 views

SWD AHB-AP access gives ACK_FAULT

When attempting to debug a STM32L471RGT6 chip over SWD, I encounter an ACK_FAULT whenever sending an AP request to halt the core. I've implemented the following sequences which all work correctly, ...
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3answers
6k views

avrdude: error: program enable: target doesn't answer. 1

Before I can program my ATmega32 through USBasp but now only in 30 times or more try I can program ATmega32. I get this error ...
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1answer
129 views

Not able to program Attiny85-20PU

I have a small amount of Attiny85-20PU which I am trying to program with a stk500v1-type-programmer (for the sake of simplicity say an Arduino with ArduinoISP-Sketch). My first attempts with that ...
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1answer
1k views

Can I covert a 3.3v/5v USB TTL Serial device to 1.8v using a LM1117 1.8v regulator?

I have a HDD which has serial access but needs 1.8v TTL serial. I only have 3.3/5v serial devices. The standard PL2303, A UART Usbbee, and a generic serial adapter. The PL2303 & generic have 3v/...
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2answers
753 views

Programming a STM32F407 with a Raspberry PI: No answer on JTDO

Introduction Getting in touch for the first time with an ARM MCU (the STM32F407ZE), I am trying to generate a first working "Hello world!" blinking led. For programming the MCU, it seem possible ...
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1answer
410 views

Is a TXB0108 apt for level-shifting in SPI programming?

I plan to use a TXB0108 to level-shift between the cheap CH341A programmer voltage and the Winbond W25Q64FW from 3.3V to 1.8V On the silicon I can read: ...
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1answer
46 views

PIC programmer problems reading and writing program configuration memory

I was making a programmer for pic16f877a using arduino with the help of the programming specification document as I can't find any good one around here at the time. I was able to write code in the ...
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1answer
193 views

PIC12C672 Replacing Upgrading to PIC12F683 RT809F PROGRAMMER

I'm new to the microchip PIC world but not to electronics. I've been learning chip level PC and laptop mother board repair. I have a smart battery charger that uses a PIC12C672 that was destroyed ...
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1answer
215 views

Why is the Voltage only 1.4 for reset input when in high impedance?

I attempted to make myself a 2-in-1 programmer so I can program both AT89Cx051 and AT89S52 on the same board without having to do so much plugging/unplugging of the port. The main issue is the strobe ...
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3answers
2k views

Explain why the NodeMCU auto-program circuit would be useful

I'm looking at the NodeMCU "auto-program" circuit but could not understand why it is there at all. From my point of view, this circuit enables open-collector outputs, but makes programming dependent ...
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1answer
490 views

Can not flash atmega328p with usbasp

My usbasp was working fine.I could burn programme to atmega328p.But last night i wanted to cahnge the clockspeed by clock_prescale_set ( clock_div_t x ). after that it burned successfully and ...
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2answers
215 views

Switch between power and signal with MCU

I am trying to make a basic EPROM programmer using an Arduino. It is designed to programme M27c322/160/800 devices. One problem I am encountering is that these 3 devices have a couple of the pins ...
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1answer
284 views

EPROM programmer voltage/signal switch

I am trying to make a basic EPROM programmer for M27C322/160/800 chips, mainly as an learning exercise since I know I can buy adaptors for programmers I already own. I found a very useful resource in ...
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1k views

TrueStudio flashing board gives “Unknown MCU found on target error”

I am attempting to flash a custom PCB using Atollic TrueStudio and a Nucleo board. I have the PCB connected to the SWD header on the Nucleo. In TrueStudio I have set the target device and am using ST-...
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1answer
146 views

Is it a good idea to connect PC to a non-isolated DC supply

I am working on an AC Voltmeter. The supply to the microcontroller is not isolated. Only a bridge rectifier is used convert AC to DC. To get 5V, resistors are used to drop down the voltage. Is it a ...
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1answer
2k views

usbasp with avrdude: error: program enable: target doesn't answer. 1

I purchased a "usbasp" programmer from AliExpress for use with my ATtiny84A AVR devices. This has the text "USBASP V2.0 LC Technology" screenprinted on the top of the PCB, and it looks very much like ...
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1answer
729 views

What data is stored in an eeprom that’s not in the flash memory? [closed]

I’m wondering generally what information is stored in an eeprom that’s different than what’s in the flash drive that contains firmware? Mostly in mobile devices. Does the eeprom contain user settings ...
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64 views

How to read all memory from damaged CF?

My CF card has been corrupted. I don't know how is that happened. I just using new card (five months old) on EOS 5D Mark II with installed ...
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1answer
170 views

Can a Raspberry PI be used for high voltage parallel programming?

I have a Raspberry PI 2, and I know it's possible to use an Raspberry PI for programming an AVR, but I came across something. Apparently if you brick your chip by fiddling with the fuses you need a ...
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1answer
672 views

ESP8266 ICSP design: which circuit design guidelines to avoid fails/damages?

I'm working on a project which is all on breadboard right now. I'm close to final version, so I'm planning to design PCB for the release (not commercial use, just for some friends of mine). The ...
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1answer
449 views

Programming flash in manufacturing environment using Codewarrior TAP

I would like to use the Codewarrior TAP to program flash on boards in a manufacturing environment. My target is a P4080 CPU w/Flash memory. I am currently using an Abatron BDI-3000 for this, but ...
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1answer
156 views

SPI programming for ATtiny MCU - will it be influenced by TWI pull-up resistors?

I am wondering if this could be the case for an ATtiny84 which has some common pins used for both SPI and TWI (they are part of a so called USI - Universal Serial Interface). Basically I am asking ...
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1answer
24 views

Idea behind Reverse Insertion Check

I read through universal device programmer (device that program ICs like AVRs, PICs, EEPROM, etc) like items in links below, I found that these programmers perform these checks: insertion test. ...

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