C54X EXTENDED ADDRESSING

In some applications, there is a need to store and have easy access to multiple algorithms. This increases the program memory requirement beyond 64K words. The TMS320LC548 and TMS320LC549 provide direct support for an extended address capability for program memory space. This extended address capability supports a total of 4M 16-bit words if the on-chip RAM (32K words) is mapped to program space as a home page. The program space is increased to 8M words if the on-chip RAM is mapped to data space only. This document describes how to implement this and what cycle overhead will be created.

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