ST STM32H7B3I-EVAL Manuale utente
Introduction
The STM32H7B3I-EVAL Evaluation board is a complete demonstration and development platform for the Arm® Cortex®-M7-
based STM32H7B3LIH6QU microcontroller. The STM32H7B3I-EVAL Evaluation board provides access to all the STM32
peripherals for user applications, and includes an embedded STLINK-V3E debugger/programmer.
The full range of the STM32H7B3I-EVAL hardware features helps to develop applications and evaluate all the peripherals, such
as USB OTG_HS and FS, CAN FD, USART, ADC and DAC, digital microphones, SRAM, SDRAM, NOR Flash memory, Octo-
SPI Flash memory with OTFDEC, microSD™ 3.0 card, 7" 800x480 WVGA TFT color RGB LCD with capacitive touch panel
(I2C), and DCMI camera.
The expansion connectors provide an easy way to add specialized features, while ETM trace is supported through external
probes.
Figure 1. STM32H7B3I-EVAL Evaluation board (top view)
Picture is not contractual.
Evaluation board with STM32H7B3LI MCU
UM2662
User manual
UM2662 - Rev 1 - February 2020
For further information contact your local STMicroelectronics sales office. www.st.com
1Features
• STM32H7B3LIH6QU Arm® Cortex® microcontroller with 2 Mbytes of Flash memory and 1.4 Mbytes of RAM
in TFBGA225 package
• 7" 800x480 WVGA TFT color LCD module with RGB parallel interface and capacitive touch panel with I2C
interface
• 1/4" color CMOS QSXGA (5 Mpixels) camera module with DCMI and I2C interface
• USB OTG_HS and USB OTG_FS
• On-board current measurement
•I2S / SAI audio codec
• 512-Mbit Octo-SPI NOR Flash, 8 Mx32bit SDRAM, 1 Mx16bit SRAM, and 8 Mx16bit NOR Flash
• 4 color user LEDs
• Reset, Wake Up and Tamper push-buttons
• 4-direction joystick with a selection button
• Potentiometer
• Coin-battery cell holder for power backup
• Power-metering and temperature-monitoring demonstration with 2 dual-channel, sigma-delta modulators
•Wi-Fi® module compliant with 802.11 b/g/n
• Board connectors:
– 2 USB Micro-AB
– 2 microSD™ cards
– OCSPI NOR Flash module connector
– Stereo Line OUT headset jack including analog microphone input
– Stereo Line IN headset jack
– 2xDB9 for external RS-232 port and CAN FD
– JTAG and ETM trace debugger
– Connectors for ADC and DAC
– I/O expansion connectors
– DFSDM microphones daughterboard expansion connector
– Motor-control interface expansion connector
– I2C expansion connector
• Flexible power-supply options: ST-LINK, USB VBUS or external sources
• On-board STLINK-V3E debugger/programmer with USB re-enumeration capability: mass storage, Virtual
COM port, and debug port
• Comprehensive free software libraries and examples available with the STM32Cube MCU Package
• Support of a wide choice of Integrated Development Environments (IDEs) including IAR™, Keil®, and GCC-
based IDEs
Note: Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
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Features
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2Ordering information
To order the STM32H7B3I-EVAL Evaluation board, refer to Table 1. For a detailed description, refer to its user
manual on the product web page. Additional information is available from the datasheet and reference manual of
the target STM32.
Table 1. List of available products
Order code Board references Target STM32
STM32H7B3I-EVAL
• MB1331
• MB1370(1)
• MB1379(2)
• MB1486(3)
STM32H7B3LIH6QU
1. LCD board
2. Camera module
3. Wi-Fi® module
2.1 Product marking
Evaluation tools marked as “ES” or “E” are not yet qualified and therefore not ready to be used as reference
design or in production. Any consequences deriving from such usage will not be at ST charge. In no event, ST will
be liable for any customer usage of these engineering sample tools as reference designs or in production.
“E” or “ES” marking examples of location:
• On the targeted STM32 that is soldered on the board (For an illustration of STM32 marking, refer to the
STM32 datasheet “Package information” paragraph at the www.st.com website).
• Next to the evaluation tool ordering part number that is stuck or silk-screen printed on the board.
This board features a specific STM32 device version, which allows the operation of any bundled commercial
stack/library available. This STM32 device shows a "U" marking option at the end of the standard part number
and is not available for sales.
In order to use the same commercial stack in his application, a developer may need to purchase a part number
specific to this stack/library. The price of those part numbers includes the stack/library royalties.
2.2 Codification
The meaning of the codification is explained in Table 2. The order code is mentioned on a sticker placed on the
top or bottom side of the board.
Table 2. Codification explanation
STM32TTXXY-EVAL Description Example: STM32H7B3I-EVAL
STM32TT MCU series in STM32 32-bit Arm Cortex MCUs STM32H7 Series
XX MCU product line in the series STM32H7B3
YSTM32 Flash memory size:
• I for 2 Mbytes 2 Mbytes
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Ordering information
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3Development environment
3.1 System requirements
• Windows® OS (7, 8 and 10), Linux® 64-bit, or macOS®
• USB Type-A to Micro-B cable
Note: macOS® is a trademark of Apple Inc. registered in the U.S. and other countries.
All other trademarks are the property of their respective owners.
3.2 Development toolchains
• IAR™ - EWARM (see note)
• Keil® - MDK-ARM (see note)
• GCC-based IDEs
Note: On Windows® only.
3.3 Demonstration software
The demonstration software, included in the STM32Cube MCU Package corresponding to the on-board
microcontroller, is preloaded in the STM32 Flash memory 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
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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 should be 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
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Conventions
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5Delivery recommendations
Some verifications are needed before using the board for the first time to make sure that nothing was damaged
during shipment and that no components are unplugged or lost. When the board is extracted from its plastic bag,
check that no component remains in the bag. Before starting the demo, take the microSD™ card from the
separated ESD bag and plug it in the connector CN28, on the right side of the board.
Warning:
There is an explosion risk if the battery is replaced by an incorrect one. Make sure to dispose of
used batteries according to the instructions.
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Delivery recommendations
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6Hardware layout and configuration
The STM32H7B3I-EVAL Evaluation board is designed around the STM32H7B3LIH6QU target microcontroller.
Figure 2 illustrates STM32H7B3LIH6QU connections with peripheral components.
Figure 2. Hardware block diagram
3V3 Power Supply
(3V3_AO)
LED, push-button, and wake-up
External USB
HS PHY
MIcro-AB
USB
connector
Wi-Fi® module
GPIOs
OTG HS (ULPI)
OTG FS
UART + SPI +
GPIOs
VCP UART
SWD
VBAT
LSE
LCD
Reset
FMC
SDIO 1
SDIO 2
I2C
SAI1 or I2S6
and / or
differential ADC
GPIO, I2C, INT
Audio codec
CS42L51-CNZ
3 V battery
32 KHz crystal
RK070ER9427L
RGB - 7 INCH –
WVGA
LCD + CTP
MB1370 module
8 Mx32bit SDRAM
8 Mx16bit NOR Flash
microSDTM
card 2.0
(3V3)
microSDTM
card 3.0
(3V3 / 1V8) STM32L152CCT6
MFX GPIO Expander
Stereo jack
(line-out)
STM32F723IEK6
STLINK V3.0
Micro-B
USB
connector
MB1299 Module
1 Mx16bit SRAM
HSE
24 MHz crystal
Reset button
OCSPI 2
OCSPI
connector
OCSPI 1
MX25LM51245GXDI00
OCSPI DFSDM1 and 2
DFSDM
ADC Potentiometer
ADCs, PWMs,
GPIOs,
DFSDM
Motor-control
connector
CAN, CAN FD,
and bootloader
RS-232
DB9
connectors
GPIOs Extension
connectors
DCMI
Camera
module
connector
DFSDM
connector
MB1242
OCSPI module
microSDTM
card
connector
3V3_SW
LDO
3V3_SW
MB1379
camera module
Micro-AB
USB
connector
LCD +
CTP
connector
STM32H7B3LIH6QU
VDDMMC
MFX IO0
VDDMMC 1V8_SW
LDO
1V8_SW
GPIO
MFX IO8
ON/OFF
ON/OFF
SEL
microSDTM
card
connector
Note: Interfaces in blue are partially supplied by VDDMMC. Refer to Section 6.3.5 .
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Hardware layout and configuration
UM2662 - Rev 1 page 7/95
Figure 3 shows the location of the main components on the top side of the Evaluation board.
Figure 3. STM32H7B3I-EVAL Evaluation board layout
CN9: UART RS-232 connector
CN3: microSD™ connector
CN8: USB HS connector
JP29: 5 V selection
CN17: 5 V DC jack
CN21: ST-LINK USB connector
U21: MCU STLINK-V3
CN24: EXT I2C connector
LD9: ST-LINK COM LED
CN12/CN13: Extension connectors
U11: Octo-SPI Flash
CN5/CN6: Extension connectors
RV1: ADC potentiometer
U12: NOR Flash
U16: SDRAM
U17: SRAM
JPME1: Power meter connector
U5: STM32H7B3LIH6QU
U24: Wi-Fi® module
SW1: BOOT0 switch
CN4: MB1299 DFSDM microphones module connector
B1: Reset button
B2: Wake-up button
CN10/CN11: MB1242 Octo-SPI module connector
CN2: MB1379 camera module connector
CN1: Motor-control connector
CN28: microSD™ connector (bottom)
CN15: ETM trace connector
CN14: JTAG connector
CN16: MIPI-10 connector
U48: Audio codec (bottom)
CN18: Audio stereo output jack
CN20: Audio stereo input jack
CN22: CANFD connector
U25: I/O expander
CN23: MB1370 LCD module RGB connector
CN30: MB1370 LCD module CTP connector
LD1/LD2/LD3/LD4: User LEDs
CN27: USB FS connector
B4: Joystick
B3: Tamper button
CN29: Battery connector (bottom)
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Hardware layout and configuration
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There are two different ways to program and debug the onboard STM32 MCU:
• Using the embedded STLINK-V3E
• Using an external debug tool
6.1 Embedded STLINK-V3E
6.1.1 Description
The STLINK-V3E programming and debugging tool is integrated into the STM32H7B3I-EVAL Evaluation board.
The embedded STLINK-V3E supports:
• 5 V power supplied by the CN21 USB connector
• USB 2.0 high-speed-compatible interface
• JTAG and serial wire debugging (SWD) specific features:
– 3 to 3.6 V application voltage on the JTAG/SWD interface and 5V tolerant inputs
– JTAG
– SWD and serial viewer (SWV) communication
• Direct firmware update feature (DFU) (CN25)
• MIPI10 compatible connector (CN16)
• Status COM LED (LD9) which blinks during communication with the PC
• Fault red LED (LD8) alerting on USB overcurrent request
• 5 V / 500 mA output power supply capability (U19) with current limitation
• 5 V enabled green LED (LD7)
6.1.2 How to use
It is very easy to use STLINK-V3E to program and debug the on-board STM32.
1. Verify that the jumper JP29 of Power Supply Sources is correctly set. (Refer to Table 9).
2. Connect the board to a PC with a USB Type-A to Micro-B cable through the USB connector CN21.
Note: For more details regarding the STLINK-V3E functionalities, refer to the STLINK-V3E user manual on the
www.st.com website.
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Embedded STLINK-V3E
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6.1.3 Drivers
Before connecting the STM32H7B3I-EVAL board to a Windows PC via USB, the user must install a driver for the
STLINK-V3E (not required for Windows 10). It is available on the www.st.com website.
In case the STM32H7B3I-EVAL board is connected to the PC before the driver is installed, some STM32H7B3I-
EVAL 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 as shown in
Figure 4.
Note: Prefer using the USB Composite Device handle for a full recovery.
Figure 4. USB composite device
Note: 37xx:
• 374E for STLINK-V3E without bridges functions
• 374F for STLINK-V3E with bridges functions
6.1.4 STLINK-V3E firmware upgrade
The STLINK-V3E embeds a firmware upgrade mechanism for in-situ upgrades through the USB port. As the
firmware may evolve during the lifetime of the STLINK-V3E product (For example new functionalities, bug fixes,
support for new microcontroller families), it is recommended to visit the www.st.com website before starting to use
the STM32H7B3I-EVAL Evaluation board and periodically, to stay up-to-date with the latest firmware version.
6.1.5 Interface
STLINK-V3E programming connector CN25
The connector CN21 is used only for embedded STLINK-V3E programming during board manufacturing. It is not
populated by default and not for the end-user.
STLINK-V3E USB Type B connector CN21
The USB Micro-B connector CN21 is used to connect embedded STLINK-V3E to PC for debugging of the board.
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Embedded STLINK-V3E
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