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zephyr/boards/st/nucleo_h723zg/doc/index.rst

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.. zephyr:board:: nucleo_h723zg
Overview
********
The STM32 Nucleo-144 board provides an affordable and flexible way for users
to try out new concepts and build prototypes by choosing from the various combinations
of performance and power consumption features, provided by the STM32 microcontroller.
For the compatible boards, the internal or external SMPS significantly reduces power
consumption in Run mode.
The ST Zio connector, which extends the ARDUINO® Uno V3 connectivity, and
the ST morpho headers provide an easy means of expanding the functionality of the Nucleo
open development platform with a wide choice of specialized shields.
The STM32 Nucleo-144 board does not require any separate probe as it integrates
the ST-LINK V3 debugger/programmer.
The STM32 Nucleo-144 board comes with the STM32 comprehensive free software
libraries and examples available with the STM32Cube MCU Package.
Key Features
- STM32 microcontroller in LQFP144 package
- Ethernet compliant with IEEE-802.3-2002 (depending on STM32 support)
- USB OTG or full-speed device (depending on STM32 support)
- 3 user LEDs
- 2 user and reset push-buttons
- 32.768 kHz crystal oscillator
- Board connectors:
- USB with Micro-AB
- Ethernet RJ45 (depending on STM32 support)
- SWDST Zio connector including Arduino* Uno V3ST
- ST morpho expansion
- Flexible power-supply options: ST-LINK USB VBUS or external sources
- External or internal SMPS to generate Vcore logic supply
- On-board ST-LINK/V3 debugger/programmer with USB re-enumeration
- capability: mass storage, virtual COM port and debug port
- USB OTG full speed or device only
More information about the board can be found at the `Nucleo H723ZG website`_.
Hardware
********
Nucleo H723ZG provides the following hardware components:
- STM32H723ZG in LQFP144 package
- ARM 32-bit Cortex-M7 CPU with FPU
- Chrom-ART Accelerator
- Hardware JPEG Codec
- 550 MHz max CPU frequency
- VDD from 1.62 V to 3.6 V
- 1 MB Flash
- 562 kB SRAM max (376 kb used currently)
- High-resolution timer (2.1 ns)
- 32-bit timers(2)
- 16-bit timers(12)
- SPI(6)
- I2C(4)
- I2S (3)
- USART(4)
- UART(4)
- USB OTG Full Speed and High Speed(1)
- USB OTG Full Speed(1)
- CAN FD(2)
- SAI(2)
- SPDIF_Rx(4)
- HDMI_CEC(1)
- Dual Mode Quad SPI(1)
- Camera Interface
- GPIO (up to 114) with external interrupt capability
- 16-bit ADC(3) with 36 channels / 3.6 MSPS
- 12-bit DAC with 2 channels(2)
- True Random Number Generator (RNG)
- 16-channel DMA
- LCD-TFT Controller with XGA resolution
Supported Features
==================
The Zephyr nucleo_h723zg board configuration supports the following hardware
features:
+-------------+------------+-------------------------------------+
| Interface | Controller | Driver/Component |
+=============+============+=====================================+
| NVIC | on-chip | nested vector interrupt controller |
+-------------+------------+-------------------------------------+
| UART | on-chip | serial port |
+-------------+------------+-------------------------------------+
| PINMUX | on-chip | pinmux |
+-------------+------------+-------------------------------------+
| GPIO | on-chip | gpio |
+-------------+------------+-------------------------------------+
| RTC | on-chip | counter |
+-------------+------------+-------------------------------------+
| I2C | on-chip | i2c |
+-------------+------------+-------------------------------------+
| SPI | on-chip | spi |
+-------------+------------+-------------------------------------+
| PWM | on-chip | pwm |
+-------------+------------+-------------------------------------+
| ETHERNET | on-chip | ethernet |
+-------------+------------+-------------------------------------+
| RNG | on-chip | True Random number generator |
+-------------+------------+-------------------------------------+
| Backup SRAM | on-chip | Backup SRAM |
+-------------+------------+-------------------------------------+
| RTC | on-chip | rtc |
+-------------+------------+-------------------------------------+
| FDCAN1 | on-chip | CAN-FD Controller |
+-------------+------------+-------------------------------------+
Other hardware features are not yet supported on this Zephyr port.
The default configuration can be found in the defconfig files:
:zephyr_file:`boards/st/nucleo_h723zg/nucleo_h723zg_defconfig`
For more details please refer to `STM32 Nucleo-144 board User Manual`_.
Default Zephyr Peripheral Mapping:
----------------------------------
The Nucleo H723ZG board features a ST Zio connector (extended Arduino Uno V3)
and a ST morpho connector. Board is configured as follows:
- UART_3 TX/RX : PD8/PD9 (ST-Link Virtual Port Com)
- USER_PB : PC13
- LD1 : PB0
- LD2 : PE1
- LD3 : PB14
- I2C : PB8, PB9
- SPI1 NSS/SCK/MISO/MOSI : PD14/PA5/PA6/PB5 (Arduino SPI)
- FDCAN1 RX/TX : PD0, PD1
System Clock
------------
Nucleo H723ZG System Clock could be driven by an internal or external
oscillator, as well as the main PLL clock. By default, the System clock is
driven by the PLL clock at 550MHz, driven by an 8MHz high-speed external clock.
Serial Port
-----------
Nucleo H723ZG board has 4 UARTs and 4 USARTs. The Zephyr console output is
assigned to UART3. Default settings are 115200 8N1.
Backup SRAM
-----------
In order to test backup SRAM you may want to disconnect VBAT from VDD. You can
do it by removing ``SB52`` jumper on the back side of the board.
FDCAN
=====
The Nucleo H723ZG board does not have any onboard CAN transceiver. In order to
use the FDCAN bus on this board, an external CAN bus transceiver must be
connected to pins PD0 (RX) and PD1 (TX).
Programming and Debugging
*************************
Nucleo H723ZG board includes an ST-LINK/V3 embedded debug tool interface.
.. note::
Check if your ST-LINK V3 has newest FW version. It can be done with `STM32CubeProgrammer`_
Flashing
========
The board is configured to be flashed using west `STM32CubeProgrammer`_ runner,
so its :ref:`installation <stm32cubeprog-flash-host-tools>` is required.
Alternatively, OpenOCD or JLink can also be used to flash the board using
the ``--runner`` (or ``-r``) option:
.. code-block:: console
$ west flash --runner openocd
$ west flash --runner jlink
Flashing an application to Nucleo H723ZG
----------------------------------------
First, connect the NUCLEO-H723ZG to your host computer using
the USB port to prepare it for flashing. Then build and flash your application.
Here is an example for the :zephyr:code-sample:`hello_world` application.
Run a serial host program to connect with your NUCLEO-H723ZG board.
.. code-block:: console
$ minicom -b 115200 -D /dev/ttyACM0
or use screen:
.. code-block:: console
$ screen /dev/ttyACM0 115200
Build and flash the application:
.. zephyr-app-commands::
:zephyr-app: samples/hello_world
:board: nucleo_h723zg
:goals: build flash
You should see the following message on the console:
.. code-block:: console
$ Hello World! nucleo_h723zg
Blinky example can also be used:
.. zephyr-app-commands::
:zephyr-app: samples/basic/blinky
:board: nucleo_h723zg
:goals: build flash
Debugging
=========
You can debug an application in the usual way. Here is an example for the
:zephyr:code-sample:`hello_world` application.
.. zephyr-app-commands::
:zephyr-app: samples/hello_world
:board: nucleo_h723zg
:maybe-skip-config:
:goals: debug
.. _Nucleo H723ZG website:
https://www.st.com/en/evaluation-tools/nucleo-h723zg.html
.. _STM32 Nucleo-144 board User Manual:
https://www.st.com/resource/en/user_manual/dm00499160-stm32h7-nucleo144-boards-mb1364-stmicroelectronics.pdf
.. _STM32H723ZG on www.st.com:
https://www.st.com/en/microcontrollers-microprocessors/stm32h723zg.html
.. _STM32H723 reference manual:
https://www.st.com/resource/en/reference_manual/dm00603761-stm32h723733-stm32h725735-and-stm32h730-value-line-advanced-armbased-32bit-mcus-stmicroelectronics.pdf
.. _OpenOCD installing Debug Version:
https://github.com/zephyrproject-rtos/openocd
.. _OpenOCD installing with ST-LINK V3 support:
https://mbd.kleier.net/integrating-st-link-v3.html
.. _STM32CubeIDE:
https://www.st.com/en/development-tools/stm32cubeide.html
.. _STM32CubeProgrammer:
https://www.st.com/en/development-tools/stm32cubeprog.html
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