CH573可以实现从用户程序进入ISP模式：
void EnterCodeUpgrade (void)
{
FLASH_ROM_LOCK(0);
FLASH_ROM_ERASE( 0, 4096 );
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R16_INT32K_TUNE = 0xFFFF;
R8_RST_WDOG_CTRL |= RB_SOFTWARE_RESET;
R8_SAFE_ACCESS_SIG = 0;
while(1);
} |
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楼主
