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You do know that you can use Google to almost always find the answer to an inquiry? I would encourage you to do more searches and reading. USB-JTAG Kolja Waschk’s USB Blaster-compatible adapter
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USB BLASTER NOT RECONIZING IN WINDOWS DRIVER
The driver can be configured to search for any VID/PID pair (see the section on driver commands). They may appear under different USB VID/PID depending on the particular product. USB-JTAG devices typically consist of a FT245 followed by a CPLD that understands a particular protocol, or emulates this protocol using some other hardware. They are, however, protocol-compatible among themselves. These devices also show up as FTDI devices, but are not protocol-compatible with the FT2232 devices. Sorry and thank you in advance, forgiven my translator errors, cordially.Ģ.4 USB-JTAG / Altera USB-Blaster compatibles without needing the Altera Max module only with the USB Blaster and software like OpenOCD ? Is it possible to use only the USB Blaster with its appropriate software like OpenOCD. I am really tempted by the 3rd example but i ask myself questions that i do not find or do not understand enough. So I discovered precisely the USB Blaster which has JTAG outputs used in general with chip STM32f101C8T6 and a chip 74HC244DĪccording to my research there are 3 kinds of USB Blaster on the clone marketġ) Silicon Labs C8051F321 quad buffer 74LVC125 signal voltages from 1.65V to 3.6VĢ) Microchip PIC18F14 no buffer only 5 V signalsģ) Microchip ST STM32F101 octal buffer 74HC244 for signal voltages of 2V to 6V i continue to read to better understand the programming system. There are also common standards like just JTAG etc. I know that JTAG SWD SPI CPLD FPGAs are chips reading standards present on the circuit boards and each manufacturer has its tools for development or programming. It’s been a while since i heard about (JTAG) to debug, program, SWD, SPI … but does not master enough to understand better.