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boards:h7a3ziq [2024/10/08 14:31] – darronboards:h7a3ziq [2025/02/05 05:30] (current) – [NUCLEO-H7A3ZI-Q] darron
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 Cortex-M7 MCU at 280 MHz. Cortex-M7 MCU at 280 MHz.
  
-The Q suffix indicates that this processor contains a SMPS.+The Q suffix indicates that this processor and board contains a SMPS. 
  
 The user manual explains that the SMPS must be enabled in The user manual explains that the SMPS must be enabled in
-firmware otherwise there can be problems connecting to +firmware otherwise there will be no connection to the device over ST-LINK. 
-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]] [[https://www.st.com/en/evaluation-tools/nucleo-h7a3zi-q.html|Product page]]