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28335 boot到main函数之前加一段设置GPIO的代码，可以在boot过程中以最快的速度将GPIO拉低？？
来自21ic论坛 TI DSP版块
是的。
你可以在DSP2833x_CodeStartBranch.asm文件中，在下面位置将你要设置的GPIO汇编代码或者调用C函数加进去：
wd_disable: SETC OBJMODE ;Set OBJMODE for 28x object code EALLOW ;Enable EALLOW protected register access MOVZ DP, #7029h>>6 ;Set data page for WDCR register MOV @7029h, #0068h ;Set WDDIS bit in WDCR to disable WD
;IO代码放在这里
EDIS ;Disable EALLOW protected register access LB _c_int00 ;Branch to start of boot.asm in RTS library
您好，请问如果要把IO46这个口置0，汇编程序应该怎么写啊？
非常感谢你的回复 去试试
