diff --git a/README.md b/README.md
index e2ffa20280..065ac5818e 100644
--- a/README.md
+++ b/README.md
@@ -583,6 +583,10 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
| :green_heart: | STM32H757AI | Generic Board | *2.0.0* | |
| :green_heart: | STM32H757II | Generic Board | *2.0.0* | |
| :green_heart: | STM32H757XI | Generic Board | *2.7.0* | |
+| :yellow_heart: | STM32H7A3VGHX
STM32H7A3VGTX | Generic Board | **2.8.0** | |
+| :yellow_heart: | STM32H7A3VIHX
STM32H7A3VITX | Generic Board | **2.8.0** | |
+| :yellow_heart: | STM32H7B0VBTX | Generic Board | **2.8.0** | |
+| :yellow_heart: | STM32H7B3VIHX
STM32H7B3VITX | Generic Board | **2.8.0** | |
### Generic STM32L0 boards
diff --git a/boards.txt b/boards.txt
index 2f3e214836..3f9bc707bf 100644
--- a/boards.txt
+++ b/boards.txt
@@ -7967,6 +7967,62 @@ GenH7.menu.pnum.GENERIC_H757XIHX.build.board=GENERIC_H757XIHX
GenH7.menu.pnum.GENERIC_H757XIHX.build.product_line=STM32H757xx
GenH7.menu.pnum.GENERIC_H757XIHX.build.variant=STM32H7xx/H742X(G-I)H_H743X(G-I)H_H745X(G-I)H_H747X(G-I)H_H750XBH_H753XIH_H755XIH_H757XIH
+# Generic H7A3VGHx
+GenH7.menu.pnum.GENERIC_H7A3VGHX=Generic H7A3VGHx
+GenH7.menu.pnum.GENERIC_H7A3VGHX.upload.maximum_size=1048576
+GenH7.menu.pnum.GENERIC_H7A3VGHX.upload.maximum_data_size=1048576
+GenH7.menu.pnum.GENERIC_H7A3VGHX.build.board=GENERIC_H7A3VGHX
+GenH7.menu.pnum.GENERIC_H7A3VGHX.build.product_line=STM32H7A3xx
+GenH7.menu.pnum.GENERIC_H7A3VGHX.build.variant=STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)
+
+# Generic H7A3VIHx
+GenH7.menu.pnum.GENERIC_H7A3VIHX=Generic H7A3VIHx
+GenH7.menu.pnum.GENERIC_H7A3VIHX.upload.maximum_size=2097152
+GenH7.menu.pnum.GENERIC_H7A3VIHX.upload.maximum_data_size=1048576
+GenH7.menu.pnum.GENERIC_H7A3VIHX.build.board=GENERIC_H7A3VIHX
+GenH7.menu.pnum.GENERIC_H7A3VIHX.build.product_line=STM32H7A3xx
+GenH7.menu.pnum.GENERIC_H7A3VIHX.build.variant=STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)
+
+# Generic H7A3VGTx
+GenH7.menu.pnum.GENERIC_H7A3VGTX=Generic H7A3VGTx
+GenH7.menu.pnum.GENERIC_H7A3VGTX.upload.maximum_size=1048576
+GenH7.menu.pnum.GENERIC_H7A3VGTX.upload.maximum_data_size=1048576
+GenH7.menu.pnum.GENERIC_H7A3VGTX.build.board=GENERIC_H7A3VGTX
+GenH7.menu.pnum.GENERIC_H7A3VGTX.build.product_line=STM32H7A3xx
+GenH7.menu.pnum.GENERIC_H7A3VGTX.build.variant=STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)
+
+# Generic H7A3VITx
+GenH7.menu.pnum.GENERIC_H7A3VITX=Generic H7A3VITx
+GenH7.menu.pnum.GENERIC_H7A3VITX.upload.maximum_size=2097152
+GenH7.menu.pnum.GENERIC_H7A3VITX.upload.maximum_data_size=1048576
+GenH7.menu.pnum.GENERIC_H7A3VITX.build.board=GENERIC_H7A3VITX
+GenH7.menu.pnum.GENERIC_H7A3VITX.build.product_line=STM32H7A3xx
+GenH7.menu.pnum.GENERIC_H7A3VITX.build.variant=STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)
+
+# Generic H7B0VBTx
+GenH7.menu.pnum.GENERIC_H7B0VBTX=Generic H7B0VBTx
+GenH7.menu.pnum.GENERIC_H7B0VBTX.upload.maximum_size=131072
+GenH7.menu.pnum.GENERIC_H7B0VBTX.upload.maximum_data_size=1048576
+GenH7.menu.pnum.GENERIC_H7B0VBTX.build.board=GENERIC_H7B0VBTX
+GenH7.menu.pnum.GENERIC_H7B0VBTX.build.product_line=STM32H7B0xx
+GenH7.menu.pnum.GENERIC_H7B0VBTX.build.variant=STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)
+
+# Generic H7B3VIHx
+GenH7.menu.pnum.GENERIC_H7B3VIHX=Generic H7B3VIHx
+GenH7.menu.pnum.GENERIC_H7B3VIHX.upload.maximum_size=2097152
+GenH7.menu.pnum.GENERIC_H7B3VIHX.upload.maximum_data_size=1048576
+GenH7.menu.pnum.GENERIC_H7B3VIHX.build.board=GENERIC_H7B3VIHX
+GenH7.menu.pnum.GENERIC_H7B3VIHX.build.product_line=STM32H7B3xx
+GenH7.menu.pnum.GENERIC_H7B3VIHX.build.variant=STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)
+
+# Generic H7B3VITx
+GenH7.menu.pnum.GENERIC_H7B3VITX=Generic H7B3VITx
+GenH7.menu.pnum.GENERIC_H7B3VITX.upload.maximum_size=2097152
+GenH7.menu.pnum.GENERIC_H7B3VITX.upload.maximum_data_size=1048576
+GenH7.menu.pnum.GENERIC_H7B3VITX.build.board=GENERIC_H7B3VITX
+GenH7.menu.pnum.GENERIC_H7B3VITX.build.product_line=STM32H7B3xx
+GenH7.menu.pnum.GENERIC_H7B3VITX.build.variant=STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)
+
# Upload menu
GenH7.menu.upload_method.swdMethod=STM32CubeProgrammer (SWD)
GenH7.menu.upload_method.swdMethod.upload.protocol=0
diff --git a/variants/STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)/generic_clock.c b/variants/STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)/generic_clock.c
index 677df04f74..604aac142a 100644
--- a/variants/STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)/generic_clock.c
+++ b/variants/STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)/generic_clock.c
@@ -23,8 +23,58 @@
*/
WEAK void SystemClock_Config(void)
{
- /* SystemClock_Config can be generated by STM32CubeMX */
-#warning "SystemClock_Config() is empty. Default clock at reset is used."
+ RCC_OscInitTypeDef RCC_OscInitStruct = {};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+
+ /*AXI clock gating */
+ RCC->CKGAENR = 0xFFFFFFFF;
+
+ /** Supply configuration update enable
+ */
+ HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
+
+ /** Configure the main internal regulator output voltage
+ */
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
+
+ while (!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
+
+ /** Initializes the RCC Oscillators according to the specified parameters
+ * in the RCC_OscInitTypeDef structure.
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_DIV1;
+ RCC_OscInitStruct.HSICalibrationValue = 64;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+ RCC_OscInitStruct.PLL.PLLM = 4;
+ RCC_OscInitStruct.PLL.PLLN = 12;
+ RCC_OscInitStruct.PLL.PLLP = 2;
+ RCC_OscInitStruct.PLL.PLLQ = 2;
+ RCC_OscInitStruct.PLL.PLLR = 2;
+ RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_3;
+ RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
+ RCC_OscInitStruct.PLL.PLLFRACN = 4096;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+ Error_Handler();
+ }
+
+ /** Initializes the CPU, AHB and APB buses clocks
+ */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
+ | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2
+ | RCC_CLOCKTYPE_D3PCLK1 | RCC_CLOCKTYPE_D1PCLK1;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
+ RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
+ Error_Handler();
+ }
}
#endif /* ARDUINO_GENERIC_* */
diff --git a/variants/STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)/ldscript.ld b/variants/STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)/ldscript.ld
new file mode 100644
index 0000000000..250245f11a
--- /dev/null
+++ b/variants/STM32H7xx/H7A3V(G-I)(H-T)_H7B0VBT_H7B3VI(H-T)/ldscript.ld
@@ -0,0 +1,175 @@
+/*
+******************************************************************************
+**
+** File : LinkerScript.ld
+**
+** Author : STM32CubeIDE
+**
+** Abstract : Linker script for STM32H7 series
+** 128Kbytes FLASH and 1376Kbytes RAM
+**
+** Set heap size, stack size and stack location according
+** to application requirements.
+**
+** Set memory bank area and size if external memory is used.
+**
+** Target : STMicroelectronics STM32
+**
+** Distribution: The file is distributed as is, without any warranty
+** of any kind.
+**
+*****************************************************************************
+** @attention
+**
+** Copyright (c) 2023 STMicroelectronics.
+** All rights reserved.
+**
+** This software is licensed under terms that can be found in the LICENSE file
+** in the root directory of this software component.
+** If no LICENSE file comes with this software, it is provided AS-IS.
+**
+****************************************************************************
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of RAM */
+/* Generate a link error if heap and stack don't fit into RAM */
+_Min_Heap_Size = 0x200; /* required amount of heap */
+_Min_Stack_Size = 0x400; /* required amount of stack */
+
+/* Specify the memory areas */
+MEMORY
+{
+ ITCMRAM (xrw) : ORIGIN = 0x00000000, LENGTH = 64K
+ FLASH (rx) : ORIGIN = 0x08000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET
+ DTCMRAM1 (xrw) : ORIGIN = 0x20000000, LENGTH = 64K
+ DTCMRAM2 (xrw) : ORIGIN = 0x20010000, LENGTH = 64K
+ RAM (xrw) : ORIGIN = 0x24000000, LENGTH = LD_MAX_DATA_SIZE
+ RAM_CD (xrw) : ORIGIN = 0x30000000, LENGTH = 128K
+ RAM_SRD (xrw) : ORIGIN = 0x38000000, LENGTH = 32K
+}
+
+/* Define output sections */
+SECTIONS
+{
+ /* The startup code goes first into FLASH */
+ .isr_vector :
+ {
+ . = ALIGN(4);
+ KEEP(*(.isr_vector)) /* Startup code */
+ . = ALIGN(4);
+ } >FLASH
+
+ /* The program code and other data goes into FLASH */
+ .text :
+ {
+ . = ALIGN(4);
+ *(.text) /* .text sections (code) */
+ *(.text*) /* .text* sections (code) */
+ *(.glue_7) /* glue arm to thumb code */
+ *(.glue_7t) /* glue thumb to arm code */
+ *(.eh_frame)
+
+ KEEP (*(.init))
+ KEEP (*(.fini))
+
+ . = ALIGN(4);
+ _etext = .; /* define a global symbols at end of code */
+ } >FLASH
+
+ /* Constant data goes into FLASH */
+ .rodata :
+ {
+ . = ALIGN(4);
+ *(.rodata) /* .rodata sections (constants, strings, etc.) */
+ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
+ . = ALIGN(4);
+ } >FLASH
+
+ .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
+ .ARM : {
+ __exidx_start = .;
+ *(.ARM.exidx*)
+ __exidx_end = .;
+ } >FLASH
+
+ .preinit_array :
+ {
+ PROVIDE_HIDDEN (__preinit_array_start = .);
+ KEEP (*(.preinit_array*))
+ PROVIDE_HIDDEN (__preinit_array_end = .);
+ } >FLASH
+
+ .init_array :
+ {
+ PROVIDE_HIDDEN (__init_array_start = .);
+ KEEP (*(SORT(.init_array.*)))
+ KEEP (*(.init_array*))
+ PROVIDE_HIDDEN (__init_array_end = .);
+ } >FLASH
+
+ .fini_array :
+ {
+ PROVIDE_HIDDEN (__fini_array_start = .);
+ KEEP (*(SORT(.fini_array.*)))
+ KEEP (*(.fini_array*))
+ PROVIDE_HIDDEN (__fini_array_end = .);
+ } >FLASH
+
+ /* used by the startup to initialize data */
+ _sidata = LOADADDR(.data);
+
+ /* Initialized data sections goes into RAM, load LMA copy after code */
+ .data :
+ {
+ . = ALIGN(4);
+ _sdata = .; /* create a global symbol at data start */
+ *(.data) /* .data sections */
+ *(.data*) /* .data* sections */
+ *(.RamFunc) /* .RamFunc sections */
+ *(.RamFunc*) /* .RamFunc* sections */
+
+ . = ALIGN(4);
+ _edata = .; /* define a global symbol at data end */
+ } >RAM AT> FLASH
+
+ /* Uninitialized data section */
+ . = ALIGN(4);
+ .bss :
+ {
+ /* This is used by the startup in order to initialize the .bss section */
+ _sbss = .; /* define a global symbol at bss start */
+ __bss_start__ = _sbss;
+ *(.bss)
+ *(.bss*)
+ *(COMMON)
+
+ . = ALIGN(4);
+ _ebss = .; /* define a global symbol at bss end */
+ __bss_end__ = _ebss;
+ } >RAM
+
+ /* User_heap_stack section, used to check that there is enough RAM left */
+ ._user_heap_stack :
+ {
+ . = ALIGN(8);
+ PROVIDE ( end = . );
+ PROVIDE ( _end = . );
+ . = . + _Min_Heap_Size;
+ . = . + _Min_Stack_Size;
+ . = ALIGN(8);
+ } >RAM
+
+ /* Remove information from the standard libraries */
+ /DISCARD/ :
+ {
+ libc.a ( * )
+ libm.a ( * )
+ libgcc.a ( * )
+ }
+
+ .ARM.attributes 0 : { *(.ARM.attributes) }
+}
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