Questions tagged [programmer]

A tool to program microcontrollers and/or programmable logic.

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61 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
44 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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14 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
53 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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30 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
327 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
35 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
93 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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0answers
68 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
40 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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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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36 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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19 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
44 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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40 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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69 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
28 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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43 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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46 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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139 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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1answer
161 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
99 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
234 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
823 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
160 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
49 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
24 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
696 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
207 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
294 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
323 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
280 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
2k 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
4k 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
141 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
112 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
146 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
101 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
173 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
218 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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4answers
10k 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
165 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
2k 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
898 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
513 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
49 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
229 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
265 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
3k 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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