ARM-JTAG-SWD データシートの表示（PDF） - Unspecified

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ARM-JTAG-SWD

STM32-P407 development board USER’S MANUAL

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OLIMEX© 2014

CHAPTER 6 HARDWARE

STM32-P407 user's manual

6. Introduction to the chapter

In this chapter are presented the connectors that can be found on the board all together with their

pinout. Proto area is shown. Jumpers functions are described. Notes and info on specific peripherals

are presented. Notes regarding the interfaces are given.

6.1 JTAG connector

The 20-pin JTAG connector provides the interface for JTAG or/and SWD/TRACE

programming/debugging. It is advisable to use SWD or TRACE interface programmers.

*The JTAG TRST signal is multiplexed with the display. When using JTAG interface you will not

be able to debug the display of the board. If you wish to program the board with JTAG make sure to

hold the WKUP button when programming/debugging until you wipe the system memory or the

JTAG will not connect. This behavior is caused by the initial demo which redefines the pin to show

the display.

Another workaround is to set the bootloader jumpers so the board would attempt to boot from the

Embedded SRAM (and since it is blank, the display would not start which will allow you to debug

with the JTAG). Note this is not an issue if you use SWD interface.

JTAG/SWD interface

Pin #

Signal Name

Pin # Signal Name

1 +3.3V

11 +3.3 V

2 +3.3V

12 GND

3 TRST/SPI1_MISO*

13 TDO/I2S3_CK

4 GND

14 GND

5 PGCTDI/I2S3_WS

15 RST

6 GND

16 GND

7 TMS

17 +5V_J-LINK

8 GND

18 GND

9 TCK

19 +5V_J-LINK

10 GND

20 GND

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