SPI Flash Microcontroller Programmer Ver 3.7 Introduction This SPI Flash Programmer can be used either for in-system programming or as a stand-alone serial flash programmer for the Atmel SPI programmable devices. The programmer hardware interface is controlled by the PC parallel port and the parallel port control signals are freely selectable by the user. The software supports both the 8051 and AVR series devices. Hardware Figure 1 shows the circuit diagram of the SPI Flash programmer hardware interface, the power to the interface is provided either by programmed device. The 74HCT541 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.

Shematic is given below and here is high quality shematics in PCB layout with component placement and here is high quality version in PCB tracks wor PCB development and here is high quality version in Software The SpiPgm37.zip file contains the main program and the io port driver. Place all files in the same folder.

This is called programming, and is typically done with a much higher voltage. It actually damages the material, and after 100k program cycles, the gate will fail. † Indirect SPI flash programming using the ISE Design Suite iMPACT tools. Memories use a 4-wire synchronous serial data bus. The SPI flash. Sep 1, 2012 - Like all boot memories, SPI Serial Flash needs to be loaded with the. This section describes how to physically wire the SPI Serial Flash into a design. The LatticeECP/EC FPGAs allow programming of the SPI.

The main view of the program is shown in figure 3. 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.

FlashProg is USB base flash memory programmer to work with 3.3V serial flash memory devices. This programmer is specifically design to read, program and configure 25x series, serial flash memory devices which are commonly used to store BIOS in PC mainboards. FlashProg programmer is built around Atmel ATmega8A microcontroller with standard through-hole type components and it support for both 32 bit and 64 bit Windows and Linux operating systems. All the compiled binaries for both the platforms are available at project home page at.

This programmer use very few components and it can be easily constructed on breadboard or on PCB. Both EAGLE and PDF versions of PCB design files are available with the project package. This project is an open source hardware project and all it’s source codes, design files and documentation are available at.

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