Differences

This shows you the differences between two versions of the page.

--- boards:h7a3ziq [2023/08/10 12:14] – darron
+++ boards:h7a3ziq [2024/10/27 19:25] (current) – [RAM] darron
@@ Line 2: / Line 2: @@
 <wrap right>
-{{boards:h7a3ziqpinout.jpg?200|Pinout}}
+{{boards:h7a3ziq.jpg?100}}
+\\ \\
+{{projects:m7rs485.jpg?100|STM32H7A3}}
+\\ \\
+{{boards:h7a3ziqpinout.jpg?100|Pinout}}
 </wrap>
+Cortex-M7 MCU at 280 MHz.
+The Q suffix indicates that this processor contains a SMPS.
+The user manual explains that the SMPS must be enabled in
+firmware otherwise there can be problems connecting to
+the device over ST-LINK.
+===RAM===
+^Address ^Type^Size^Alias^
+|0x00000000 .. 0x0000FFFF|ITCM       |64KB | |
+|0x20000000 .. 0x2001FFFF|DTCM       |128KB| |
+|0x24000000 .. 0x2403FFFF|AXI SRAM1  |256KB| |
+|0x24040000 .. 0x2409FFFF|AXI SRAM2  |384KB| |
+|0x240A0000 .. 0x240FFFFF|AXI SRAM3  |384KB| |
+|0x30000000 .. 0x3000FFFF|AHB SRAM1  |64KB| |
+|0x30010000 .. 0x3801FFFF|AHB SRAM2  |64KB| |
+|0x38000000 .. 0x38007FFF|SRD SRAM   |32KB| |
+|0x38800000 .. 0x38800FFF|BACKUP SRAM| 4KB| |
+===Demo===
+See [[projects:modbus#rtu|here]] for a Modbus demo using this board.
+===Resources===
 [[https://www.st.com/en/evaluation-tools/nucleo-h7a3zi-q.html|Product page]]