6.4.11章节原话:For example, if user has two independent applications in APROM called App0 and App1. App0 is located at 0x0, and App1 is located at 0x8000. The CBS[1:0] was set to 0 to boot from LDROM. When power on, the system will execute the code in LDROM. The code in LDROM will decide to boot to App0 or App1. For boot to App0, the code in LDROM will enable ISP and set vector page remapping to 0x0, than reset CPU by CPU_RST(Not reset I/O and peripherals) or SYSRESETREQ(Reset I/O and peripherals) to boot to App0. For boot to App1, the code in LDROM will enable ISP and set vector page remapping to 0x8000, than reset CPU by CPU_RST or SYSRESETREQ to boot to App1.
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