L开机流程介绍L平台开机流程介绍展讯通信 主讲人:Nick.Zhao开机的条件 VBAT is high. PBINT is high CHINT is high ALARM INTd a e r Spm u trn o Cl a i t n e d fi2010-3-2保密信息.2ROM Code软件流程StartInitialize the IRAM, Pin, UART and KeypadUSB Bootstrap Pin is Set? Nod a e r SpYes Send the Version String and go to UartBoot ModeKey(0,0) is Pressed? Nom u trNon o CYesYesl a i t n e d fiReceive two 0x7e?Remap and Jump to 0x0Send the Version String and go to USB Boot Mode2010-3-2保密信息.3Before __main Code from tx_illdb.s Work flow ……
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