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uVision 5 - 8051F580 compiler --> macro to make P4 bit addressable
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uVision 5 - 8051F580 compiler --> macro to make P4 bit addressable
Fausto Bartra
8 days ago
any macros to make P4 bit addressable?
thank you
Fausto Bartra
Top replies
Hans Schneebauer
5 days ago
+2
verified
The SFR P4 is at address 0xB5. This address is not bit-addressable. You can only set or clear bits by using AND / OR operators that modify the whole SFR with a Read-Modify-Write instruction. Example: ...
Fausto Bartra
5 days ago
in reply to
Hans Schneebauer
+1
Thank you