Instruction Watchpoints - Analog Devices ADSP-BF53x Blackfin Reference

Watchpoint Unit
To enable the Watchpoint Unit, the
must be set. If
point ranges may be enabled using the specific enable bits in the
and MMRs. If
WPDACTL

Instruction Watchpoints

Each instruction watchpoint is controlled by three bits in the
ister, as shown in
Table 21-2. WPIACTL Control Bits
Bit Name
EMUSWx
WPICNTENx
WPIAENx
When two watchpoints are associated to form a range, two additional bits
are used, as shown in
Table 21-3. WPIACTL Watchpoint Range Control Bits
Bit Name
WPIRENxy
WPIRINVxy
21-4 ADSP-BF53x/BF56x Blackfin Processor Programming Reference
, then the individual watchpoints and watch-
WPPWR = 1
WPPWR = 0
Table 21-2.
Description
Determines whether an instruction-address match causes either an
emulation event or an exception event.
Enables the 16-bit counter that counts the number of address
matches. If the counter is disabled, then every match causes an
event.
Enables the address watchpoint activity.
Table 21-3.
Description
Indicates the two watchpoints that are to be associated to form a
range.
Determines whether an event is caused by an address within the
range identified or outside of the range identified.
bit in the
WPPWR
, then all watchpoint activity is disabled.
register
WPIACTL
WPIACTL
reg-
WPIACTL