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TMS320F2812从外部XINTF扩展的flash启动问题



如果从外部XINTF扩展的flash启动,那么启动加载BOOT选项到底该选哪个?手册上说的有6种:

1:Jump to Flash/ROM address 0x3F 7FF6.  前面说的从内部flash启动选择此方法

2:Call SPI_Boot to load from an external serial SPI EEPROM

3:Call SCI_Boot to load from SCI-A

4:Jump to H0 SARAM address 0x3F 8000

5:Jump to OTP address 0x3D 7800

6:Call Parallel_Boot to load from GPIO Port B

那么从XINTF启动,在以上6种模式中,靠边儿的只有第一种了,那么是不是说,从外部XINTF接口闪存启动,还是要在内部闪存0x3F 7FF6位置实现写入跳转指令呢?