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6657的SPI NOR加载不上

大家好 同样的文件 同样的写入方法 我的6657板子SPI加载不上 但在评估板可以SPI加载 

把我板子上的NOR FLASH拆下 焊到评估板上 评估板可以加载

    评估板上的NOR FLASH拆下 焊到我板子上 加载不了

起码说明在我板子上 已经把程序写到FLASH

上电时序 复位都看了 没有问题


量我板子的SPI时钟 是500K 

     评估板的SPI时钟 是1M 

我的.map文件如下:

section {
boot_mode = 50
param_index = 0
options = 1
core_freq_mhz = 1000
exe_file = "simple.i2c.ccs"
next_dev_addr_ext = 0x0
sw_pll_prediv = 5
sw_pll_mult = 32
sw_pll_postdiv = 2
sw_pll_flags = 1
addr_width = 24
n_pins = 4
csel = 2
mode = 0
c2t_delay = 0
bus_freq_mhz = 0
bus_freq_khz = 500
}

谢谢 一定给个回复啊