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Topic: External SRAM using XMEM (Read 174 times) previous topic - next topic

zhliao

Hi all, I want to read the SRAM power-on value as PUF. Now I am working with Arduino mega and CY62256 SRAM chip. I found the page 27 of datasheet of ATmega 2560, section 9: External Memory Interface

http://www.atmel.com/Images/Atmel-2549-8-bit-AVR-Microcontroller-ATmega640-1280-1281-2560-2561_datasheet.pdf

It looks like the ATmega 2560 contains hardware interface with external SRAM. I want to use it but I do not know how to set up the registers. Anyone could help me or provide some tutorials? Thank you!

Budvar10

Arduino clone with ATmega1284P   http://forum.arduino.cc/index.php?topic=277260.0

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