Figure 11-1 System Debug Access Block Diagram - ARM Cortex-M3 Technical Reference Manual

System Debug
SW/SWJ-DP
11-4
Bus Matrix
Data
CM3Core
AHB-AP
Internal Private
Peripheral Bus
(PPB)
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Non-Confidential
External Private
Bridge
NVIC
DWT
FPB
ITM
MPU

Figure 11-1 System debug access block diagram

DCode
interface
System
interface
Peripheral Bus
(PPB)
ETM
Trace
port
TPIU
ROM table
ARM DDI 0337G
Unrestricted Access