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Figure 1 shows the circuit diagram of the SPI Flash programmer hardware interface, the power to the interface is provided either by a 9V dc adapter or a 9V battery. The 74HCT367 IC buffer the parallel port signals. It is necessary to use the HCT type IC in order to make sure the programmer should also work with the 3V type parallel port. The 74HCT04 is used to generate the clock signal for the u-controller when programming the device in stand-alone mode. Figure 1: Circuit Diagram of the SPI Flash Programmer. Figure 2: Stand-alone SPI Programming interface Software The SpiPgm37.zip file contains the main program and the io port driver.

Place all files in the same folder. The main view of the program is shown in figure 3. Bobby Brown Greatest Hits Rar. Also make sure do not program the RSTDISBL fuse in the AVR series devices, unless it is necessary otherwise further serial programming is disable, to restore the serial programming a high voltage parallel programmer is required. For the fuses setting consult the datasheet of the respective u-controller.

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