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4.3.4. Vector Table Offset Register

If implemented, the VTOR indicates the offset of the vector table base address from memory address 0x00000000. See the register summary in Table 4.12 for its attributes.

The bit assignments are:

Table 4.12. VTOR bit assignments
BitsNameFunction
[31:7]TBLOFF

Vector table base offset field. It contains bits[31:7] of the offset of the table base from the bottom of the memory map.

[6:0]-Reserved.

Note

The vector table base must always be aligned to at least the number of exception vectors implemented. To ensure this, the Cortex-M0+ processor implements bit[7] (the least significant bit of TBLOFF) as RAZ/WI.

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