Questions tagged [programmer]
A tool to program microcontrollers and/or programmable logic.
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How to program aliexpress Xilink X-SP6-X9 FPGA? [on hold]
I am new to the world of FPGA's. I just bough a Xilink X-SP6-X9 (Spartan 6) board on aliexpress but I don't know how to program it.
I got this one: https://aliexpress.com/item/32665068263.html?spm=...
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1answer
42 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
154 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
612 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
44 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
74 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
41 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
92 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
80 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
104 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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2answers
1k 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
74 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
547 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
454 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
205 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
43 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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279 views
Mass Production: Espressif prodution programming, serial and tests
I am hitting the production phase of my project very soon and the production programming part is still blurry.
I am using the ESP32 Wroom-32 module, and it seems like no professional module has yet ...
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1answer
116 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
141 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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1answer
636 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
325 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
198 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
173 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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798 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
140 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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0answers
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
505 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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0answers
60 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
147 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
474 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
327 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
128 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
23 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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1answer
142 views
USBasp programmer first firmware
I am building an evaluation board for ATmega32, I am designing an embedded USBasp programmer (The programmer will be also in the board and they will be a micro-usb header to connect the board to PC).
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2answers
229 views
Is it possible to create a homemade programmer for PIC16F84A?
Is this simple circuit able to program a microcontroller? Or Does it need any other components?
After looking at this question, I can know where D+ and D- of USB cable are, by looking at the colours ...
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3answers
1k views
What's the risk of leaving VPP/MCLR floating?
In the microchip PM3 ICSP design guide, this diagram is shown to demonstrate a typical implementation of ICSP:
Here, the MCLR/VPP pin is pulled to 5V during normal ...
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1answer
187 views
USBasp Difficulties
I am new to the USBasp. I am trying to program a Mega1284.
I have a cheap Chinese one, it is recognized in XP as well as win7. I made a board with a ZIF socket, 10 MHz xtal, 22p cap, 10k pullup on ...
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2answers
149 views
Is there a such thing as a UV EPROM whose contents cannot be burned unless the UV-sensor is uncovered? [closed]
Is there a such thing as a UV EPROM whose contents cannot be burned unless the UV-sensor is uncovered?
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0answers
494 views
STM32 'Connect under reset' suddenly stopped working
For the last few months I've been working on a project that used an STM32F030 microcontroller. Due to a shortage of GPIO I've had to use the SW debug pins for other functions. Until recently this wasn'...
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1answer
2k views
MCP2221 USB To UART Programmer
I am very new to the electrical design and had a very basic question. I am trying to program a Atmega328p using the MCP2221 interfacing chip. I picked this chip due to it being the only converter I ...
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1answer
208 views
Programmer /Debugger for freescale kinetis series [closed]
I want to use frescale MK10 Device for my Project, the Cost of Programmer debugger is very high , so i Want to ask is there any low cost P/D ot any hack available with any system so that i can use ...
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8answers
5k views
Absolute cheapest, (easy) way of starting programming on ARM microcontrollers [closed]
I want to start using ARM processors, migrating from PICs which I've been using for too long. 8 bit models were available for under $1, programmers for under $10, and I have been spoilt by the ease ...
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1answer
395 views
MPLAB X doesn't try to connect
I'm new to MPLAB X and I run into trouble right away.
I want to read/write the program memory and EEPROM of a chip because I have a corrupted chip and a correct HEX file.
I created a project, ...
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2answers
317 views
PIC18F1220 production build of C code not working
I have this simple code which I wrote to test that my programming circuitry works properly and compiles fine on xc8 pic c compiler:
...
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1answer
130 views
AVRISP. How to choose SPI frequency?
Yes, yes, I know that it must be between 1 and 4 clock cycles of a target device. But... We don't know it if clock is provided by internal rc generator or external quartz. So is there any possible way ...
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3answers
1k views
Understanding programmers for microcontrollers
I'm confused about the concept of a programmer for microcontrollers. Hoping someone can clarify.
When I use an Arduino, I can use another Arduino to program it via the SPI pins. I understand this to ...
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2answers
411 views
NXP QN9021 (ARM Cortex M0) programmer
I have made a small breakout board with the QN9021 SOC (BLE + ARM Cortex M0). I am having trouble flashing the code into this device. Assuming that this device is wired properly and working fine, how ...
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1answer
215 views
Multiple poles triple throw switch or electronic equivalent
I have made several "programmer" boards for different MCUs (ATTiny85, ESP8266-1, etc.). They are pretty simple - there is a socket for the MCU, socket for the programmer interface (Arduino as ISP, ...
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1answer
724 views
Poblems with flashing samd21 xplained pro board
I'm trying to flash the samd21j18a microchip from Linux but I'am unable to do so. I've compiled toggle Led example from Atmel Framework. I tried to flash it using bossac tool and I received the ...
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2answers
256 views
Program a PIC24FJ64GB002 with a pickit 2
I am trying to program a PIC24FJ64GB002 with a pickit 2 but when I try to program it, the pickit 2 application says that no device was found, despite the chip being hooked up with the programmer. So ...
