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##

# 2.7.16 CACHE_CacheSync Function

## C

    void CACHE_CacheSync(uint32_t addr, size_t len)

## Summary

Synchronize the instruction and data caches.

## Description

Synchronize the instruction and data caches. Used when modifying the instruction stream (breakpoints, self-modifying code, relocating executable code to RAM). Flushes an address range from the data cache and invalidates that same range from the instruction cache.

## Parameters

Param | Description
--- | ---
addr | address (aligned to 32-byte boundary)
len | size of memory block (in number of bytes)

## Returns

None.

## Example

    CACHE_CacheSync(addr, len);

## Remarks

None.