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CHAPTER 3

Target interface pins

3.1 Target interface pins

The J-Link-OB-STM32F072-128KB (Cortex-M) provides the following target interface sig-

nals:
• #RESET (PA1 / Pin 11)

• SWCLK (PA2 / Pin 12)

• SWO (PA3 / Pin 13)

• SWDIO (PA4 / Pin 14)

• TXD (PA9 / Pin 30)

• RXD (PA10 / Pin 31)

• CTS (PA7 / Pin 17)

• RTS (PA6 / Pin 16)
Which signals are required depends on what features shall be supported on the evaluation

board. If support for a specific feature or interface is not required, the spare pins should be

left open. For more information about which target interface requires which signals, please

refer to the following sections.

J-Link-OB-STM32F072-128KB-Cortex-M User Guide
(UM08029)

Содержание J-Link-OB-STM32F072-128KB

Страница 1: ...J Link OB STM32F072 128KB Cortex M User guide of the onboard debug probe based on STM32F072Cx MCU Document UM08029 Revision 1 Date January 18 2018 A product of SEGGER Microcontroller GmbH www segger com ...

Страница 2: ... or fitness for a particular purpose Copyright notice You may not extract portions of this manual or modify the PDF file in any way without the prior written permission of SEGGER The software described in this document is furnished under a license and may only be used or copied in accordance with the terms of such a license 2004 2017 SEGGER Microcontroller GmbH Hilden Germany Trademarks Names ment...

Страница 3: ... and we will try to assist you as soon as possible Contact us for further information on topics that are not yet documented Print date January 18 2018 Manual version Revision Date By Description 0 00 1 171012 NG Initial Version J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

Страница 4: ...4 J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

Страница 5: ... macros that the product offers It assumes you have a working knowledge of the C language Knowledge of assembly programming is not required Typographic conventions for syntax This manual uses the following typographic conventions Style Used for Body Body text Keyword Text that you enter at the command prompt or that appears on the display that is system functions file or pathnames Parameter Parame...

Страница 6: ...6 J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

Страница 7: ...pported target interfaces 10 3 1 Target interface pins 11 3 2 Target interface SWD 12 3 3 Target interface VCOM 13 4 Compatible MCUs as J Link OB host 14 5 Schematics 15 6 Glossary 16 J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

Страница 8: ...d manufacturers J Link OB can be used with the same software package as the general J Links and can be used with the same utilities as far as the feature set of the J Link OB supports this Note It is not allowed to use J Link OB STM32F072 128KB Cortex M for stand alone em ulators J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

Страница 9: ...ported target CPU cores For a list of cores supported by this J Link OB model please refer to here J Link OB Model overview J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

Страница 10: ...rfaces The J Link OB STM32F072 128KB Cortex M supports the following target interfaces SWD SWO It may only be used with Cortex M target CPUs J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

Страница 11: ...A10 Pin 31 CTS PA7 Pin 17 RTS PA6 Pin 16 Which signals are required depends on what features shall be supported on the evaluation board If support for a specific feature or interface is not required the spare pins should be left open For more information about which target interface requires which signals please refer to the following sections J Link OB STM32F072 128KB Cortex M User Guide UM08029 ...

Страница 12: ... following signals need to be connected RESET PA1 Pin 11 SWCLK PA2 Pin 12 SWO PA3 Pin 13 SWDIO PA4 Pin 14 If SWO support is not required e g when the target CPU is Cortex M0 M0 based which does not provide SWO support the SWO signal can be left open J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

Страница 13: ...fer to J Link VCOM functionality If VCOM optional hardware flow control support is required on the target hardware to be designed the following signals need to be connected TXD PA9 Pin 30 RXD PA10 Pin 31 CTS PA7 Pin 17 RTS PA6 Pin 16 If hardware flow control support is not required the CTS and RTS signal can be left open J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microc...

Страница 14: ... series MCUs The following microcontrollers are compatible to this J Link OB model ST STM32F072CB LQFP 48 ST STM32F072CB UFQFPN 48 ST STM32F072CB WLCSP 49L ST STM32F072RB LQFP 64 ST STM32F072RB UFBGA 64L ST STM32F072VB LQFP 100 ST STM32F072VB UFBGA 100 J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

Страница 15: ...1 52 PC12 53 PC13 2 PC14 OSC32_IN 3 PC15 OSC32_OUT 4 PD2 54 U2A STM32F205RCT6 VBAT 1 VDD_2 48 VDD_3 64 VDD_4 19 VDDA 13 VCAP_1 31 VCAP_2 47 VSS_3 63 VSS_4 18 VDD_1 32 VSSA 12 U2B STM32F205RCT6 C8 2u2 4V C9 2u2 4V PB4 GND GND GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 C DNP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A DNP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 B DNP ...

Страница 16: ...Chapter 6 Glossary This chapter describes important terms used throughout this manual J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

Страница 17: ...in a JTAG chain TDO The electronic signal output from a TAP controller to the data sink downstream Usually the TDO signal of J Link is connected to the TDO of the last TAP controller in a JTAG chain TMS The electronic signal Test Mode Select is an input to the TAP controller and it is used to select different stages of state machine It is clocked in into the TAP controller using the TCK signal ups...

Страница 18: ...k OB STM32F072 128KB Cortex M is able to receive the data in asynchronous mode when SWO of the target CPU is connected to the SWOin signal of J Link OB STM32F072 128KB Cortex M Normally the SWO output signal of a Cortex M CPU is directed via the TDO signal pin but may be separated on some devices J Link OB STM32F072 128KB Cortex M User Guide UM08029 2004 2017 SEGGER Microcontroller GmbH ...

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