EEPROM / Flash EPROM Programmer V1.4 Documentation This programmer & software is only designed to support devices which can be programmed with 5 volts only. A such, EPROMs and some EEPROMs cannot be programmed with this hardware. However, these chips may be read or verified. For help, type the filename with no parameters. The current software supports three different programming algorithms: AMD 29Fxxx, Data Valid, and 10ms. The AMD format is specific to AMD flash EPROM chips. As such it may only work with AMD parts. The Data Vaild format may be compatible with many different chips. After programming a byte at a memory location, the same location is continually read until it matches the data written. The 10ms algorithm is needed by some early chips. After data is written to a memory location there is a delay of 10 milliseconds before the next memory location is written. Here is a list of algorithms and chips that are supported by that algorithm: AMD Am29Fxxx AMD Am29F256, Am29F512, Am29F010, Am29F020, Am29F040 Data Valid Atmel AT28C64, AT28C256, AT28C010, AT28C040 Microchip 28C04A, 28C16A, 28C17A, 28C64A Xicor X2864, X28C256, X28C010 10ms Xicor X2816 Jumper settings for different chip types: 2816 2864 29F010 29F040 o o o o o o o o +---+ o o o o o o |o o| +-+ +-+-+ o o o o |o|o |o|o | +-+ | +-+ o o o o |o|o| |o|o| +---+ +-+ | +-+ | o o |o o| o|o| o|o| +-+ +---+ +-+-+ +-+-+ |o|o |o o| |o o| |o o| | | +---+ +---+ +---+ |o|o o o |o o| |o o| +-+ +---+ +---+ +-+-+ |o|o |o o| o o o|o| | | +---+ | | |o|o o o o o o|o| +-+ +-+ o o o o o o o o Jumper settings for chips which may be read but NOT programmed: 2716 2732 2764 27128 27256 27512 27010 27020 o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o +-+ +-+ +-+ o o o o o o o o o o |o|o |o|o |o|o +-+-+ | +-+ | +-+ | +-+ o o o o o o o o |o|o| |o|o| |o|o| |o|o| +-+ +---+ +---+ | | | +-+ | +-+ | +-+ | |o|o o o |o o| |o o| |o|o| o|o| o|o| o|o| | | +---+ +---+ +---+ +-+-+ +-+-+ +-+-+ +-+-+ |o|o |o o| |o o| |o o| |o o| |o o| |o o| |o o| +-+ +-+-+ +---+ +---+ +---+ +---+ +---+ +---+ |o|o |o|o o o |o o| |o o| |o o| |o o| |o o| | | | | +---+ +---+ +---+ +---+ +---+ +-+-+ |o|o |o|o |o o| |o o| |o o| |o o| o o o|o| +-+ +-+ +---+ +---+ +---+ +---+ | | o o o o o o o o o o o o o o o|o| +---+ +---+ +-+ o o o o |o o| |o o| o o o o o o o o +---+ +---+
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