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Technical Support
On-Line Manuals
BL51 User's Guide
BL51 Introduction
Purpose of the Linker
Combining Modules
Searching Libraries
Combining Segments
Locating Segments
Overlaying Data Memory
Resolving External References
Calculating Addresses
Generating an Object File
Generating a Listing File
Segments
Memory Areas
BIT, DATA, and IDATA
CODE and CONST
XDATA
Linking Programs
Locating Segments
Data Overlaying
Code Banking
Real-Time Programs
Error Messages
XDATA
The XDATA memory area is typically stored in RAM that may be off-chip or on-chip. It contains external program data (named because it was off-chip on the original 8051 devices) including variables declared with the xdata and pdata memory types.
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