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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 Operands Operators Register Use Use in Macro Definitions Preprocessor Advanced Programming Error Messages Library Reference Appendixidata
The idata memory type may be used to declare variables only. You may not declare idata functions. This memory is accessed using 16-bit addresses and is on-chip RAM of the C16x/ST10/XC16x. It has the shortest (fastest) access time but the amount of idata is limited in size.
Variables declared idata are located in the SDATA group.
Declare idata variables as follows:
unsigned char idata fast_variable;
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