 C166 User's Guide | |
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C166 User's Guide
C166 Introduction Compiling Programs Language Extensions
Keywords Memory Models Tiny Model Small Model Medium Model Compact Model Large Model HCompact Model HLarge Model XLarge Model Memory Types near far bdata ebdata idata sdata huge xhuge Memory Type Comparison Pointers with Memory Types Implicit Memory Types Type Qualifiers const volatile Data Types Special Function Registers sfr Types sbit Types bit Types Bit-Addressable Objects Function Declarations Return Values Register Bank Register Mask Interrupt Functions Fast Interrupts Cached Vectors Fast Register Banks Inline Functions Real-Time Function Tasks Inline Assembly Traditional Inline Assembly Extended Inline Assembly Register Use Use in Macro Definitions Preprocessor Advanced Programming Error Messages Library Reference Appendixsdata
The sdata memory type may be used to declare variables only. You may not declare sdata functions. This memory is accessed using 16-bit addresses and is on-chip system memory of the C16x/ST10/XC16x. It is typically composed of SFRs and PEC-addressable objects.
Variables declared sdata are located in the SDATA group.
Declare sdata variables as follows:
unsigned char sdata pec_var;
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