Questions tagged [programmer]
A tool to program microcontrollers and/or programmable logic.
200
questions
0
votes
2answers
57 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 ...
0
votes
1answer
90 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 ...
0
votes
1answer
40 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 ...
0
votes
2answers
21 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 ...
asked Nov 16 '19 at 11:07
Anthropomorphous Dodecahedron
1,1611 gold badge6 silver badges20 bronze badges
0
votes
1answer
44 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)...
1
vote
0answers
43 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 ...
0
votes
2answers
129 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 ...
1
vote
0answers
96 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 ...
0
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0answers
61 views
Can't program STM32F4
I am really confused and helpless.
I made a custom PCB with the STM32F446VE (LQFP100) chip and got it programmed (SWD).
After that I made a second PCB where I wanted to solve some Problems regarding ...
0
votes
1answer
164 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 ...
1
vote
1answer
424 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 ...
2
votes
2answers
770 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 ...
5
votes
2answers
1k 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 ...
2
votes
0answers
76 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 ...
0
votes
1answer
93 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 ...
1
vote
1answer
72 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 ...
0
votes
2answers
96 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 ...
1
vote
1answer
112 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 ...
1
vote
1answer
155 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, ...
0
votes
3answers
4k 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
...
1
vote
1answer
97 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 ...
1
vote
1answer
954 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/...
0
votes
2answers
631 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 ...
0
votes
1answer
310 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:
...
1
vote
1answer
45 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 ...
0
votes
1answer
166 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 ...
0
votes
1answer
180 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 ...
2
votes
2answers
1k 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 ...
0
votes
1answer
403 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 ...
2
votes
2answers
208 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 ...
0
votes
1answer
230 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 ...
0
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0answers
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-...
2
votes
1answer
141 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 ...
0
votes
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 ...
0
votes
1answer
601 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 ...
1
vote
0answers
63 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 ...
1
vote
1answer
165 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 ...
0
votes
1answer
583 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 ...
0
votes
1answer
397 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 ...
0
votes
1answer
144 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 ...
0
votes
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.
...
1
vote
1answer
177 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).
...
0
votes
2answers
260 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 ...
2
votes
3answers
2k 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 ...
0
votes
1answer
236 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 ...
0
votes
2answers
167 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?
0
votes
0answers
625 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'...
3
votes
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 ...
1
vote
1answer
228 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 ...
18
votes
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 ...
