S3C2440不同于一般的M0~M7的内核的ARM，片内的FLASH太少，一般不在片上运行程序，其仿真和固化（程序FLASH下载） 都采用片外的芯片，这点与DSP芯片C5509很像，先来说仿真，运行在片外内存上，需要下面这个文件： /******************************************************************************/ /* Ext_RAM.INI: External RAM (SDRAM) Initialization File */ /******************************************************************************/ // <<< Use Configuration Wizard in Context Menu >>> // /******************************************************************************/ /* This file is part of the uVision/ARM development tools. */ /* Copyright (c) 2005-2008 Keil Software. All rights reserved. */ /* This software may only be used under the terms of a valid, current, */ /* end user licence from KEIL for a compatible version of KEIL software */ /* development tools. Nothing else gives you the right to use this software. */ /******************************************************************************/ FUNC void Init (void) { _WDWORD(0x4A000008, 0xFFFFFFFF); // Disable All Interrupts _WDWORD(0x53000000, 0x00000000); // Disable Watchdog Timer // Clock Setup // FCLK = 300 MHz, HCLK = 100 MHz, PCLK = 50 MHz _WDWORD(0x4C000000, 0x0FFF0FFF); // LOCKTIME _WDWORD(0x4C000014, 0x0000000F); // CLKDIVN _WDWORD(0x4C000004, 0x00043011); // MPLLCON _WDWORD(0x4C000008, 0x00038021); // UPLLCON _WDWORD(0x4C00000C, 0x001FFFF0); // CLKCON // Memory Controller Setup for SDRAM _WDWORD(0x48000000, 0x22000000); // BWSCON _WDWORD(0x4800001C, 0x00018005); // BANKCON6 _WDWORD(0x48000020, 0x00018005); // BANKCON7 _WDWORD(0x48000024, 0x008404F3); // REFRESH _WDWORD(0x48000028, 0x00000032); // BANKSIZE _WDWORD(0x4800002C, 0x00000020); // MRSRB6 _WDWORD(0x48000030, 0x00000020); // MRSRB7 _WDWORD(0x56000000, 0x000003FF); // GPACON: Enable Address lines for SDRAM } // Reset chip with watchdog, because nRST line is routed on hardware in a way // that it can not be pulled low with ULINK _WDWORD(0x40000000, 0xEAFFFFFE); // Load RAM addr 0 with branch to itself CPSR = 0x000000D3; // Disable interrupts PC = 0x40000000; // Position PC to start of RAM _WDWORD(0x53000000, 0x00000021); // Enable Watchdog g, 0 // Wait for Watchdog to reset chip Init(); // Initialize memory LOAD objiRAM_my_show.axf INCREMENTAL // Download program PC = 0x30000000; // Setup for Running //g, main // Goto Main 然后在工程设置里设置地址如下： 并且在Debug中勾选该文件，将该文件放在工程目录根目录下 这样就可以DEBUG了，但是掉电程序就丢掉了。 要想下载进去的话，需要设置如下 对应的硬件是天嵌的2440开发板，还需要选择NOR FLASH启动。这样就可以固化程序了，也可以用J-FLASH下载。