Renesas-M M30843FJGP QFP(100) Device

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Last Updated: 05/18/2023

IMPORTANT: M32C/84 Microcomputer Flash Memory Version.In the buffer the address is in byte mode (8 bit). 4K-byte Boot block memory is mapped to 000h-FFFh. 4K-byte Data Block (block A) is mapped to F000h-FFFFh User area is divided into several blocks and they are mapped to F80000h-FFFFFFh.Buffer locations 1000h-EFFFh and 10000h-F7FFFFh are not used and should be filled with FFh.Buffer locations FFFE00h-FFFFFFh are special.Buffer location FFFFFFh is the security word. If secured standalone operations will fail.Device Configure Options allow the individual ROM sections to be selected for device operations. Before executingany command at least 1 Operations Area must be selected.All blocks can be locked by setting LOCK under Device Configure and the lock-bits can be cleared only by erase.The Boot ROM area of the device has a standard serial I/O modecontrol program stored in it when shipped from the factory.Therefore if the device is going to be used in standard serial I/O modedo not rewrite the Boot ROM area.