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Watchpoint Unit
Instruction Watchpoint Address Registers (WPIAn)
For Memory-mapped
addresses, see
Table
21-4.
WPIA (Instruction Address)[30:15]
WPIA (Instruction Address)[14:0]
Figure 21-1. Instruction Watchpoint Address Registers
Table 21-4. Instruction Watchpoint Register Memory-mapped
Addresses
Register Name
WPIA0
WPIA1
WPIA2
WPIA3
WPIA4
WPIA5
WPIACNTn Registers
When the Watchpoint Unit is enabled, the count values in the Instruction
Watchpoint Address Count registers (
each time the address or the address bus matches a value in the
isters. Load the
number of times the watchpoint must match before triggering an event
(see
Figure
21-2). The
the programmed count expires.
21-6
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
X
X
X
X
X
X
15 14 13 12 11 10
X
X
X
X
X
X
Memory-mapped Address
0xFFE0 7040
0xFFE0 7044
0xFFE0 7048
0xFFE0 704C
0xFFE0 7050
0xFFE0 7054
register with a value that is one less than the
WPIACNTn
register will decrement to 0x0000 when
WPIACNTn
X
X
X
X
X
X
X
X
9
8
7
6
5
4
3
2
X
X
X
X
X
X
X
X
) are decremented
WPIACNT[5:0]
X
X
Reset = Undefined
1
0
X
X
reg-
WPIAn
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