Questions tagged [isp]
In System Programming. Updating a part's memory while it is on the end product's PCB.
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ATMEGA328P ISP SPI connection conflict issue
With reference to similar issue:
SPI device prevents ISP programming
I have 2 ATMEGA328Ps with MOSI MISO and SCK permanently connected on the same board.
At the time of printing the board my thoughts ...
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Problem in programming a Freescale MCU (MCR908JK1)
I am trying to program/read/erase an MCU MC68HRC908JK1 (marked MCR908JK1 and the logo of Freescale Co.) which is soldered on an industrial electronic card.
on the other hand, I have a universal ...
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1
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Ohmic load on AVR's SCK?
I have an ATTINY13, and almost all pins are used (only PB2 is free).
What I need to add is a controllable ohmic load, which I believe best way to add is with an N-channel MOSFET, similarly with this ...
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Programming ATmega using Arduino as ISP
For my systemprogramming class I have to program an ATmega48a µController.
At university we're using an avrmkII to program the chips, but as i don't have such a device at home so I figured I could use ...
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Does GAL support ISP?
In my understanding, GALs are erasable devices, so they are programmable as many times as needed.
Theoretically, ISP should be an option available on them, but I can't find such a device.
Do GALs ...
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Designing ICSP pin header while SPI slave present?
Is this portion of my schematic accurate for designing an ICSP header while there is an SPI slave? The four SPI net labels also go to the respective hardware on my 328P. I have CS (where I believe NSS ...
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AT90USB1286 bricks after disabling clock divider
I have an AT90USB1286 which is connected to a 16MHz external crystal oscillator. It is my understanding that by default from the factory the CKDIV fuse is enabled which makes the chip run at an ...
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2
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Programming an 8051 MCU (Topro TP2808)
I have this 8051:
I have acquired an it from an old device and I want to program it. I have experience with AVR, ESP, and STM microcontrollers, but not with 8051's. Googling info about this DIP IC, I'...
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Using Arduino for ISP with AVRDude?
I have a custom board with an ISP header. It's my design, I can perfectly program it with AVR Dragon via ISP, with AVRDude.
I wanted to try programming it with an Arduino, and I only have one with ...
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Could an AVR ISP connector be reused to add SPI-Interfaced memories without programing the controller?
I have no previous experience designing AVR-Compatible hardware.
I have a board which uses an ATMega 2560 and has a SPI bus which is already used by a SD adapter. After some datasheet reading, I ...
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Orange unshielded coaxial cable
A local ISP is installing fiber optic cable for gigabit internet in my neighborhood. Their construction crews have buried runs of empty conduit which I presume is meant to be filled with fiber or ...
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How does the ATMega32 know that the incoming SPI data signals are the program to be burnt?
From my understanding, in order to burn a C program to the ATMega32's flash memory, the program is first compiled and converted into a hex file which is then uploaded using a computer program such as ...
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Why does AVRDUDE require part ID as an input parameter when it detects the device signature by itself?
When I type the following in terminal
avrdude -p m32 -c usbasp
I get the following as output
...
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PIC16F886 Low Voltage Mode
I want to program a pic microcontroller, specifically, the PIC16F886.
I am not experienced with programming PIC microcontrollers, however, after searching, I was able to find that you can program this ...
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JTagging an Atmel ATF1500 CPLD
Intentions
I'm learning how to use CPLDs and I thought a good one to start with is the Atmel ATF1500AL-TQFP44.
Whats the deal
The datasheet provides no information about programming the CPLD; also, ...