HI3531的nand flash测试

最新推荐文章于 2021-05-07 03:01:52 发布

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最新推荐文章于 2021-05-07 03:01:52 发布

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分类专栏： arm-linux-Ubuntu HI3531

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HI3531

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本文档详细介绍了如何在HI3531芯片上进行NAND Flash的初始化、读页、随机读取、写页、读ID和擦除块的操作步骤，包括相关寄存器的设置和延时处理。通过示例代码展示了具体实现过程。

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void NAND_Init()
{
   *(unsigned int *)(0x20030000 + 0xd0) = 7; delay_x(0X5000);
   *(unsigned int *)(0x20030000 + 0xd0) = 6; delay_x(0X5000);
   *(unsigned int *)(0x200f0000 + 0x1fc) = 0;//muxctrl_reg127 NF_DQ0 管脚复用控制寄存器
   *(unsigned int *)(0x200f0000 + 0x200) = 0;
   *(unsigned int *)(0x200f0000 + 0x204) = 0;
   *(unsigned int *)(0x200f0000 + 0x208) = 0;
   *(unsigned int *)(0x200f0000 + 0x20C) = 0;
   *(unsigned int *)(0x200f0000 + 0x210) = 0;
   *(unsigned int *)(0x200f0000 + 0x214) = 0;
   *(unsigned int *)(0x200f0000 + 0x218) = 0;//7
   *(unsigned int *)(0x200f0000 + 0x21C) = 0;
   *(un