ST STM32MP157D-DK1 Manuel utilisateur

Introduction

The STM32MP157D-DK1 and STM32MP157F-DK2 Discovery kits (STM32MP157x-DKx) are designed as complete

demonstration and development platforms for STMicroelectronics Arm®-based dual Cortex®-A7 32 bits and Cortex®-M4 32

bits MPUs in the STM32MP1 Series and their STPMIC1 companion chip. They leverage the capabilities increased-frequency

800 MHz of STM32MP1 Series microprocessors to allow users to develop applications using STM32 MPU OpenSTLinux

Distribution software (such as STM32MP1Starter) for the main processor and STM32CubeMP1 software for the co-processor.

They feature 16-bit DDR3L 4 Gbits at 533 MHz, MIPI DSISM 2 lanes at 1 Gbps, USB Type-C® DRP HS port, USB Type-A Host

HS ports, audio codec with analog audio input / output, microSD™ card high-speed mode up to 50 MHz, Gigabit Ethernet,

HDMI® up to 720p60 (1280 × 720), 40-pin extended GPIOs, ARDUINO®, Wi‑Fi® 802.11b/g/n, Bluetooth® Low Energy 4.1, and

ST-LINK/V2-1 (UART console).

The STM32MP157F-DK2, shown with display removed in Figure 1 and Figure 2, is used as a reference design for user

application development. It cannot be considered as the hardware design of a final application.

The hardware features of the Discovery kits are available for users to develop their applications: USB, Ethernet, LTDC, TFT

LCD MIPI DSISM, microSD™ card, audio codec, user buttons, Wi‑Fi®, and Bluetooth® Low Energy. Extension headers allow easy

connection of an ARDUINO® board for a specific application.

An ST-LINK/V2-1 is integrated on the board, as embedded in-circuit debugger and programmer for the STM32 MPU and the

USB Virtual COM port bridge.

Figure 1. STM32MP157F-DK2 top view Figure 2. STM32MP157F-DK2 bottom view

Pictures are not contractual.

Discovery kits with increased-frequency 800 MHz STM32MP157 MPUs

UM2637

User manual

UM2637 - Rev 2 - January 2022

For further information contact your local STMicroelectronics sales office.

www.st.com

1Features

• Common features

– STM32MP157 Arm®-based dual Cortex®‑A7 800 MHz 32 bits + Cortex®‑M4 32 bits MPU in TFBGA361

package

– ST PMIC STPMIC1

– 4-Gbit DDR3L, 16 bits, 533 MHz

– 1-Gbps Ethernet (RGMII) compliant with IEEE-802.3ab

– USB OTG HS

– Audio codec

– 4 user LEDs

– 2 user and reset push-buttons, 1 wake-up button

–5 V / 3 A USB Type-C® power supply input (not provided)

– Board connectors:

◦ Ethernet RJ45

◦ 4 × USB Host Type-A

◦USB Type-C® DRP

◦MIPI DSISM

◦ HDMI®

◦ Stereo headset jack including analog microphone input

◦ microSD™ card

◦ GPIO expansion connector (Raspberry Pi® shield capability)

◦ ARDUINO® Uno V3 expansion connectors

– On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: Virtual COM port

and debug port

–STM32CubeMP1 and full mainline open-source Linux® STM32 MPU OpenSTLinux Distribution (such

as STM32MP1Starter) software and examples

– Support of a wide choice of Integrated Development Environments (IDEs) including IAR Embedded

Workbench®, MDK-ARM, and STM32CubeIDE

• Board-specific features

– 4" TFT 480×800 pixels with LED backlight, MIPI DSISM interface, and capacitive touch panel

– Wi‑Fi® 802.11b/g/n

– Bluetooth® Low Energy 4.1

Note: Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.

UM2637

Features

UM2637 - Rev 2 page 2/47

2Ordering information

To order an STM32MP157 Discovery kit, refer to Table 1. Additional information is available from the datasheet

and reference manual of the target STM32.

Table 1. List of available products

Order code Board reference Target STM32 Differentiating feature

STM32MP157D-DK1 • MB1272 STM32MP157DAC1 • Basic security

STM32MP157F-DK2 • MB1272

• MB1407(1) STM32MP157FAC1

• Secure Boot and cryptography

• LCD

• Wi‑Fi®

• Bluetooth® Low Energy

1. LCD extension board.

2.1 Codification

The meaning of the codification is explained in Table 2.

Table 2. Codification explanation

STM32MP1XXY-DKZ Description Example: STM32MP157F-DK2

STM32MP1 MPU series in STM32 Arm Cortex MPUs STM32MP1 Series

XX MPU product line in the series STM32MP157

Options:

• D: basic security, 800 MHz increased frequency

• F: Secure Boot, cryptography hardware, 800 MHz

increased frequency

Secure Boot, cryptography hardware,

800 MHz increased frequency

DKZ

Discovery kit configuration:

• DK1: basic

• DK2: LCD, Wi‑Fi®, and Bluetooth® Low Energy

LCD, Wi‑Fi®, and Bluetooth® Low

Energy

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Ordering information

UM2637 - Rev 2 page 3/47

3Development environment

3.1 System requirements

• Multi‑OS support: Windows® 10, Linux® 64-bit, or macOS®

• USB Type-C® to USB Type-C® charger 5 V / 3 A

• USB Type-C® to Type-A cable

• USB Type-A or USB Type-C® to Micro-B cable

Note: macOS® is a trademark of Apple Inc., registered in the U.S. and other countries and regions.

Linux® is a registered trademark of Linus Torvalds.

All other trademarks are the property of their respective owners.

3.2 Development toolchains

• IAR Systems® - IAR Embedded Workbench®(1)

• Keil® - MDK-ARM(1)

• STMicroelectronics - STM32CubeIDE

• GCC

1. On Windows® only.

3.3 Demonstration software

The STM32 MPU OpenSTLinux Distribution and STM32CubeMP1 base demonstration software is preloaded in

the microSD™ for easy demonstration of the device peripherals in standalone mode. The latest versions of the

demonstration source code and associated documentation can be downloaded from www.st.com.

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Development environment

UM2637 - Rev 2 page 4/47

4Conventions

Table 3 provides the conventions used for the ON and OFF settings in the present document.

Table 3. ON/OFF convention

Convention Definition

Jumper JPx ON Jumper fitted

Jumper JPx OFF Jumper not fitted

Jumper JPx [1-2] Jumper fitted between Pin 1 and Pin 2

Solder bridge SBx ON SBx connections closed by 0 Ω resistor

Solder bridge SBx OFF SBx connections left open

Resistor Rx ON Resistor soldered

Resistor Rx OFF Resistor not soldered

Capacitor Cx ON Capacitor soldered

Capacitor Cx OFF Capacitor not soldered

UM2637

Conventions

UM2637 - Rev 2 page 5/47

5Delivery recommendations

Before first use, check the board for any damage that might have occurred during shipment, that all socketed

components are firmly fixed in their sockets and that none are loose in the plastic bag.

UM2637

Delivery recommendations

UM2637 - Rev 2 page 6/47

6Hardware layout and configuration

Figure 3. STM32MP157x-DKx hardware block diagram

STM32MP157x

RTC

SWD

32 KHz crystal

ST-LINK/V2-1

USB

Capacitive touch

panel multi points

USB Type- C® USB

DRP

LCD TFT

4" 480 x 800

USB

Host

USB Hub

UART

ARDUINO® Uno

connectors

GPIOs

Bluetooth® Low

Energy V4.1

UART

microSD™ card

connector SDMMC

HSI

I2C1

GPIO User interface

4x LEDs

User interface

RESET buttons

GPIO

SAI Audio DAC &

amplifier Stereo jack

line out / Mic_IN

STPMIC1

5V_VIN

Type-C® / Type-C®

cable

24 MHz crystal

I2C1

GPIO 40-pin

connector

GPIOs

Wi-Fi® 802.11 b/g/n

SDMMC

DDR3L DDR

LTDC HDMI®

RGMII Ethernet

DSI

I2C4

I2C1

I2C4

Power supply

Feature not available on STM32MP157D-DK1

UM2637

Hardware layout and configuration

UM2637 - Rev 2 page 7/47

Figure 4. STM32MP157x-DKx PCB layout: top side

Ethernet connector

(CN8)

Power in 5 V

(CN6)

Ethernet PHY

(U18)

Power in LED

(LD2)

Wi-Fi® / Bluetooth® Low Energy

(U8)

DSISM connector (CN4)

VBAT connector (CN3)

STPMIC (U4)

40-pin connector (CN2)

USB Hub (U7)

DDR3L (U5)

USB Host

(CN1)

HDMI® bridge (U14)

STM32MP157 (U13)

USB Host

(CN5)

USB Type-C®

(CN7)

HDMI®

(CN9)

STUSB1600 (U12)

Wake-up button (B1)

Reset button (B2)

User1 button (B3)

User2 button (B4)

Audio connector (CN10)

User LED (LD5)

User LED (LD6)

User LEDs (LD7, LD8)

STLK LED (LD4)

ST-LINK USB (CN11)

ST-LINK STM32 (U19)

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Hardware layout and configuration

UM2637 - Rev 2 page 8/47

Figure 5. STM32MP157x-DKx PCB layout: bottom side

ARDUINO® connector

(CN13)

ARDUINO® connector

(CN14)

microSD™ card

(CN15)

ARDUINO® connector

(CN16)

ARDUINO® connector

(CN17)

BOOT mode

(SW1)

6.1 Embedded ST-LINK/V2-1

6.1.1 Description

To debug the on-board STM32 MPU, the ST-LINK/V2-1 programming and debugging tool is integrated in the

STM32MP157x-DKx Discovery kit. The embedded ST-LINK/V2-1 supports only SWD and VCP for STM32

devices. For information about the debugging and programming features of ST-LINK/V2-1, refer to the ST-

LINK/V2 in-circuit debugger/programmer for STM8 and STM32 user manual (UM1075) and Overview of ST-LINK

derivatives technical note (TN1235). It is recommended to power the board (5V_VIN) before plugging the USB

debug cable to the Micro-B connector.

Figure 6. CN11 ST-LINK USB Micro-B connector pinout

UM2637

Embedded ST-LINK/V2-1

UM2637 - Rev 2 page 9/47

Table 4. CN11 ST-LINK USB Micro-B connector pinout

Pin Pin name Signal name ST-LINK STM32 pin Function

1 VBUS 5V_USB_ST_LINK - VBUS Power

2 DM USB_STLK_N PA11 DM

3 DP USB_STLK_P PA12 DP

4 ID - GND ID

5 GND GND GND GND

6.1.2 Drivers

Before connecting STM32MP157x-DKx to a Windows® (7, 8, or 10) PC via the USB, a driver for ST-LINK/V2-1

must be installed (not required for Windows® 10). It is available from the www.st.com website.

In cases where the STM32MP157x-DKx Discovery kit is connected to the PC before the driver is installed, some

Discovery kit interfaces may be declared as “Unknown” in the PC device manager. In this case, the user must

install the dedicated driver files, and update the driver of the connected device from the device manager.

6.1.3 ST-LINK/V2-1 firmware upgrade

The ST-LINK/V2-1 embeds a firmware upgrade mechanism for in-situ upgrade through the USB port. As firmware

may evolve during the lifetime of the ST-LINK/V2-1 product (addition of new functionalities, bug fixes, or support

of new microprocessor families), visiting the www.st.com website is recommended before starting to use the

STM32MP157x-DKx Discovery kit, then periodically to stay up-to-date with the latest firmware version.

6.2 Power supply

6.2.1 5 V power supply

The STM32MP157x-DKx Discovery kit is designed to be powered by a 5 V DC power source at 3 A maximum

such as:

• 5V_VBUS connected to the CN6 connector through a USB Type-C® to USB Type-C® cable

The two lines USB_PWR_CC1 and USB_PWR_CC2 are connected to PA4 and PA5 respectively to check

what is connected to CN6 and control features enabling:

– Legacy cable

– Personal computer

– 5 V DC power source at 3 A

Depending on the current needed on the devices connected to the USB port, and the board itself, power

limitations can prevent the system from working as expected. The user must ensure that the STM32MP157x-DKx

Discovery kit is supplied with the correct power source depending on the current needed. It is recommended to

use a USB Type-C® to USB Type-C® 5 V/3 A charger.

6.2.2 STPMIC1 power supply

For general information concerning the STPMIC1, refer to the datasheet on the www.st.com website.

STPMIC1 supply

• VDD_CORE (BUCK1) used to supply the core of the STM32MP157x

– Value: 1.2 V

• VDD_DDR (BUCK2) used to supply the DDR core and I/Os

– Value: 1.35 V

• VDD (BUCK3) used to supply the VDDA and VDD domains of the STM32MP157x

– Value: 3.3 V

• 3V3 (BUCK4) used to provide the 3.3 V to the different features available on the Discovery kit

– Value: 3.3 V

UM2637

Power supply

UM2637 - Rev 2 page 10/47

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