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Write-Followed-by-Read Protection
Table 5-22. PROTRANGE Valid Values
Register Bits
(1)
Block Size Register Value 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
64 0x0000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
128 0x0001 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
256 0x0003 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
512 0x0007 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1
1K 0x000F 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
256K 0x0FFF 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1
512K 0x1FFF 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1
1M 0x3FFF 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1
2M 0x7FFF 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
4M 0xFFFF 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
(1)
Not all register values are valid. The PROTSTART address value must be a multiple of the range value. For example: if the
block size is set to 4K, then the start address can only be at any 4K boundary.
SPRUFB0C – September 2007 – Revised May 2009 Peripheral Frames 119
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