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Renesas Electronics Europe - Knowledgebase

Read modify write

Latest Updated:08/01/2005


Read modify write


This refers to a series of operations whereby the contents of memory cells or registers are read, the data is changed, and is then written.

Read modify write is performed for example to change the operation mode of a device by changing only the contents of a specific bit of a mode setting register and writing the changed data to the bit in question.

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