title: AVR assembly external SRAM usage
body: <p>On Atmega 128 how to enable external SRAM, and how to copy a text into external SRAM? For example, I have some data SomeData: .db 0x01,0x02,0x03, ..... , 0x.25 in .dseg, how can I copy this text into external SRAM begins at address 2100h?</p>
  
  <p>Thanks in advance.</p>