ST STM32F301 6 Series Reference Manual page 863

RM0366
28.15.14 Example of configuration
•
Set the bit TRCENA in the Debug Exception and Monitor Control Register (DEMCR)
•
Write the TPIU Current Port Size Register to the desired value (default is 0x1 for a 1-bit
port size)
•
Write TPIU Formatter and Flush Control Register to 0x102 (default value)
•
Write the TPIU Select Pin Protocol to select the sync or async mode. Example: 0x2 for
async NRZ mode (UART like)
•
Write the DBGMCU control register to 0x20 (bit IO_TRACEN) to assign TRACE I/Os
for async mode. A TPIU Sync packet is emitted at this time (FF_FF_FF_7F)
•
Configure the ITM and write the ITM Stimulus register to output a value
28.16 DBG register map
.
Addr. Register
DBGMCU_
IDCODE
(1)
Reset value X X X X X X X X X X X X X X X X
DBGMCU_CR
Reset value
DBGMCU_
APB1_FZ
Reset value
DBGMCU_
APB2_FZ
Reset value
1. The reset value is product dependent. For more information, refer to
Table 127. DBG register map and reset values
REV_ID
0 0 0
Section 28.6.1: MCU device ID
RM0366 Rev 5
Debug support (DBG)
DEV_ID
X X X X X X X X X X X X
0 0 0
0 0 0 0
0
code.
0 0 0
0
0 0 0
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