ST STM32F405 Reference Manual page 38

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38.8.3
38.8.4
38.8.5
38.8.6
38.9
AHB-AP (AHB access port) - valid for both JTAG-DP
and SW-DP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1696
38.10 Core debug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1697
38.11 Capability of the debugger host to connect under system reset . . . . . 1698
38.12 FPB (Flash patch breakpoint) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1698
38.13 DWT (data watchpoint trigger) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1699
38.14 ITM (instrumentation trace macrocell) . . . . . . . . . . . . . . . . . . . . . . . . . 1699
38.14.1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1699
38.14.2 Time stamp packets, synchronization and overflow packets . . . . . . . 1699
38.15 ETM (Embedded trace macrocell) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1701
38.15.1 ETM general description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1701
38.15.2 ETM signal protocol and packet types . . . . . . . . . . . . . . . . . . . . . . . . 1701
38.15.3 Main ETM registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1702
38.15.4 ETM configuration example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1702
38.16 MCU debug component (DBGMCU) . . . . . . . . . . . . . . . . . . . . . . . . . . 1702
38.16.1 Debug support for low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . 1702
38.16.2 Debug support for timers, watchdog, bxCAN and I
38.16.3 Debug MCU configuration register . . . . . . . . . . . . . . . . . . . . . . . . . . 1703
38.16.4 Debug MCU APB1 freeze register (DBGMCU_APB1_FZ) . . . . . . . . 1705
38.16.5 Debug MCU APB2 Freeze register (DBGMCU_APB2_FZ) . . . . . . . . 1706
38.17 TPIU (trace port interface unit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1707
38.17.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1707
38.17.2 TRACE pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1708
38.17.3 TPUI formatter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1709
38.17.4 TPUI frame synchronization packets . . . . . . . . . . . . . . . . . . . . . . . . . 1710
38.17.5 Transmission of the synchronization frame packet . . . . . . . . . . . . . . 1710
38.17.6 Synchronous mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1710
38.17.7 Asynchronous mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1711
38.17.8 TRACECLKIN connection inside the STM32F4xx . . . . . . . . . . . . . . . 1711
38.17.9 TPIU registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1711
38.17.10 Example of configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1712
38.18 DBG register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1713
38/1749
SW-DP state machine (reset, idle states, ID code) . . . . . . . . . . . . . . 1694
DP and AP read/write accesses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1694
SW-DP registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1695
SW-AP registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1696
RM0090 Rev 18
RM0090
2
C . . . . . . . . . . . . 1703

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