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TMPR3901F
208
2.4 Address Protection Unit
The TMPR3901F has an address protection unit that allows two virtual address breakpoints to be set. Figure
2-2 shows a block diagram of the address protection unit.
2.4.1 Registers
(a) Break Address register (BAddr0-1)
The break address register is used to set a break address. BAddr0 is for channel 0, and
BAddr1 is for channel 1.
BAddr[31:2] (Break Address)
Address for comparison. Note that this is the virtual presegmented translation
address.
0 Always 0. Ignored on write; 0 when read.
Minv
MEn
st (1)
st (2)
Figure 2-2 Address protection unit
Channel 1
Channel 0
Conditioning
IFch
DtWr
DtRd
UsEn
KnEn
BCnt0 Register
BMsk0 Register
BAddr0 Register
Compare
Virtual
Address (31 : 2)
OR/
XOR
BSts Register
TLB Exception
0 0BAddr
1 031 2