Hi, my English is not so good.
Please help me connect the programmer's wires.
There is not enough facts given to answer your question.
What board is this? Do you have a manual in in electronic format that we can see? Do you have a schematic diagram in electronic format that we can see?
Is there any facts about the board in a web page in English?
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I did not find this delegation on the Internet at all
If you expect anyone to help you then you will have to post photos that do not show the PCB hidden by wires and that do not have glare on them.
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Where did you get this board?
Did it come with any documentation at all?
Is there any marking ob the board itself that suggests maker and possibly model?
The chances might be slim for us to give any meaningful answer.
The markings by the empty socket suggests that this board is designed for quite old ACVR models. If you tell us what you actually want to do then we might suggest cheap alternatives, available on web-shops. There are modern, ready-to-use AVR development boards available for a few US$ (US$ 5-10 or so?). Some sellers offer free shipping with the drawback that it might take a month or so before it arrives at your end.
you will have to post photos that do not show the PCB hidden by wires and that do not have glare on them.
and show the entire board!
Note that sometimes it is possible to get a good image of board by placing it on a scanner.
It depends on the scanner.
Worth a try ...
The chip we can't see is a microcontroller. Which is likely to mean that the flying lead is a serial port. Which might mean that the board needs software to drive it. Or, IIRC, there is an Atmel apps note with a simple programmer and this might be a clone of that.
... likely to mean ... might mean ... might be a ...
Reminds me of a boss of mine once heard to say, "So - we have a clear way forward based on three unknowns..."
I'll put money on it being an AVR910 programmer. The circuit looks very close.
I'm going to assume that this is an AVR device programmer from about 15 years ago when AVRs were mostly dual-in-line pin packages. There are four wires shown that connect this device programmer to (most likely) a serial port on a PC. These wires are connected to a telephone jack and use standard (for year 2000) telephone cable to connect between the PC and this device programmer. These wires are MOSI, MISO, SCK, and ground.
Serial ports from this era were in 9-pin D-connectors (because the connector shell was shaped like an English letter capital 'D'). The PC put out serial signals that were +9v for logic LOW and -9 volts for logic HIGH (called RS232 hardware signal format). The transistors and discrete components on this device programmer convert this RS232 to +5v logic HIGH and 0v logic LOW, which is what the AVR expects for its programming voltage. This device programmer uses a program on the PC to send the MOSI/MISO/SCK signals out of the serial port's modem control pins, like DTR(data terminal ready) and CTS (clear-to-send). Most likely, the AVRdude.exe program can be used to send the assembled/compiled hex file to this device programmer.
To use this device programmer, you need to trace out the circuit schematic to determine which modem signals are being used for MOSI/MISO/SCK. While it is possible to use this programmer, it will be a challenge to get it working again. If you can receive eBay shipments from China in your country, then I suggest that you get an USBasp programmer for a few dollars/euros from China. It will be easier to use with stand-alone AVR ICs. I would recommend that you get several Arduino Nano module boards for a few dollars/euros each from eBay China. This is the easiest way in the entire world to get an AVR hardware system functioning so that you can concentrate on programming your application rather than trying to get 20-year-old microprocessor development kits working again. Seriously, you could get this board working, but it wouldn't be worth the time and effort.
These wires are MOSI, MISO, SCK, and ground.
Then how do you assert the /RESET with four lines?
I would think that the telephone cable is the RS-232 connection to the PC. Possibly the Micro under the Wire wrapped around the board interfaces with the PC, and uses its SPI to program the other AVR, with a GPIO used for /RESET control?
t will be easier to use with stand-alone AVR ICs. I would recommend that you get several Arduino Nano module boards for a few dollars/euros each from eBay China. This is the easiest way in the entire world to get an AVR hardware system functioning so that you can concentrate on programming your application rather than trying to get 20-year-old microprocessor development kits working again. Seriously, you could get this board working, but it wouldn't be worth the time and effort.
EDIT: Moved to the DEbugger/programmers forum
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