Mikroelektronika MIKROE-350 Data Sheet

Note: If none of the memory specifiers are used when declaring a variable, data specifier will be
set as default by the compiler. 

Related topics: AVR Memory Organization, Accessing individual bits, SFRs, Constants, Functions 

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- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 4

Description This memory specifier allows user to access the I/O Memory space.

' put io_buff in io memory space
dim io_buff as byte io

This memory specifier in combination with (

rx, io, data

) allows user to

access special function registers. It also instructs compiler to maintain same
identifier in Basic and assembly.

dim io_buff as byte io sfr

' put io_buff in I/O memory space

dim y as char rx sfr

' puts y in Rx space

dim temp as byte data sfr and dim temp as byte sfr are equiva-
lent, and put temp in Extended I/O Space.

If no other memory specifier is used (

rx, io, sfr, code

or 

data

), the 

regis-

ter

specifer places variable in Rx space, and instructs compiler to maintain

same identifier in C and assembly.

dim y as char register