AM1802 Datasheet, PDF (166/180 Pages) Texas Instruments – AM1802 ARM Microprocessor

AM1802
SPRS710C – NOVEMBER 2010 – REVISED MARCH 2012
www.ti.com
Table 5-95. ARM Debug Features
Category
Hardware Feature
Availability
Software breakpoint
Unlimited
Basic Debug
Hardware breakpoint
Up to 14 HWBPs, including:
2 precise⁽¹⁾ HWBP inside ARM core which are shared with watch points.
8 imprecise⁽¹⁾ HWBPs from ETM’s address comparators, which are shared with trace
function, and can be used as watch points.
4 imprecise⁽¹⁾ HWBPs from ICECrusher.
Up to 6 watch points, including:
Watch point
2 from ARM core which is shared with HWBPs and can be associated with a data.
8 from ETM’s address comparators, which are shared with trace function, and
HWBPs.
Analysis
Watch point with Data
2 from ARM core which is shared with HWBPs.
8 watch points from ETM can be associated with a data comparator, and ETM has
total 4 data comparators.
Counters/timers
3x32-bit (1 cycle ; 2 event)
External Event Trigger In
1
External Event Trigger Out
1
Address range for trace
4
Data qualification for trace
2
System events for trace control
20
Trace Control Counters/Timers for trace control
2x16-bit
State Machines/Sequencers
1x3-State State Machine
Context/Thread ID Comparator
1
Independent trigger control units
12
On-chip Trace
Capture
Capture depth PC
Capture depth PC + Timing
Application accessible
4k bytes ETB
4k bytes ETB
Y
(1) Precise hardware breakpoints will halt the processor immediately prior to the execution of the selected instruction. Imprecise breakpoints
will halt the processor some number of cycles after the selected instruction depending on device conditions.
166 Peripheral Information and Electrical Specifications
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