ST10R272L - EXTERNAL BUS INTERFACE
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The other group with ADDRSEL3 and ADDRSEL4, gives to ADDRSEL4 a higher priority
than ADDRSEL3. Thus, an overlapping among address areas defined via registers
ADDRSEL3 and 4 is allowed.
The BUSCON0 register always has the lowest priority, and its address area can be
overlapped by any of the other ADDRSELs.
The Xperipheral address areas defined via XADRs registers always have higher priority than
address areas defined via ADDRSELs registers.
