带标签的主题： LPC11xx

When I start debugging (using LPCXpresso, Keil, IAR), I noticed that my program started in the bootROM area (0x1FFF_xxxx) although the program download is done and verification is correct

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The datasheet mentions that the SCL0 and SDA0 pins require external pull-ups regardless of PINMODE / IOCONF / PINSEL configuration. But on SCL1, SDA1, SCL2, and SDA2 look to be able to use an internal pull-up ?

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How do I configure Lpcxpresso to place code in RAM?

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What platforms are supported by LPCXpresso?

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The datasheet mentions the I/O pins are 5V tolerant if Vdd is present. Can you explain in detail what this implies?

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How to calculate the value of crystal load capacitors?

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After a software reset like WD reset, BOD reset, is the SRAM content retained?

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