Dataflash

DataFlash is a low pin-count serial interface for flash memory. It is an Atmel proprietary interface, compatible with the SPI standard.

Information is written and read from a DataFlash chip using any microcontroller, such as the Atmel AVR, the Microchip PIC or the ARM. The Boot ROM of numerous Atmel ARM microcontrollers support downloading code from DataFlash chips after reset.

The AT26 series DataFlash chips are software-incompatible with the original AT45 series chips. They use a simpler command set, supported by other vendors of serial flash but omitting SRAM buffers and other features that make AT45 chips simpler to support. On this page, only the original AT45 series chips will be called DataFlash; in this case, brand-oriented marketing creates needless technical confusion.

Read more about Dataflash:  Examples of DataFlash, Comparison Between DataFlash, EEPROM and MMC/SD, Example C Source Code To Interface To DataFlash

Other articles related to "dataflash":

Data Flash - Comparison Between DataFlash, EEPROM and MMC/SD
... Both DataFlash and EEPROM chips can be accessed from a microcontroller, using a 4-wire SPI bus ... DataFlash usually had higher capacities than EEPROM in the early days, and it still provides faster access times ... DataFlash capacities in small packages range from 128 kB to 8 MB, while SPI EEPROM capacities in similar packages range from 1 kB to 8 MB ...
Data Flash
... DataFlash is a low pin-count serial interface for flash memory ... Information is written and read from a DataFlash chip using any microcontroller, such as the Atmel AVR, the Microchip PIC or the ARM ... Atmel ARM microcontrollers support downloading code from DataFlash chips after reset ...
Dataflash - Example C Source Code To Interface To DataFlash
... source code in C, that can be used to interface to any DataFlash chip, is available from www.microchipC.com ...