NEC V850/SA1 mPD703015 Preliminary User's Manual page 65

(2) Internal RAM area
The internal RAM is incorporated in the following area.
Physical internal RAM: FFE000H to FFEFFFH (4 Kbytes) ... Mask ROM internal version
In the flash memory internal version, 12 Kbytes of FFC000H to FFEFFFH is reserved as an internal RAM area.
The image of FFE000H to FFEFFFH can be seen in the addresses of FFC000H to FFCFFFH.
Note The address FFC000H to FFCFFFH cannot be used.
CHAPTER 3 CPU FUNCTIONS
FFD000H to FFEFFFH (8 Kbytes) ... Flash memory internal version
Mask ROM
internal version
xxFFEFFFH
Internal RAM
xxFFE000H
Flash memory
internal version
xxFFEFFFH
Internal RAM
xxFFD000H
xxFFCFFFH
Note
Image
xxFFC000H
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