Advanced Embedded Systems Interview Question:

Tell me what is read modify write technique?

Submitted by: Muhammad

☛ Read modify write is a technique used to access the ports.
☛ Here in a single instruction all the three actions are combined.
☛ Here initially the data is read from the port then modified .
☛ At last the value is written back on the port.
☛ This feature saves many lines of code and makes the process easier.
Submitted by: Muhammad