參數(shù)資料
型號: M34506M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO20
封裝: 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件頁數(shù): 64/114頁
文件大小: 836K
代理商: M34506M4-XXXFP
3
3-2
ADDRESS SPACE
3.1 Outline of the Address Space
32180 Group User’s Manual (Rev.1.0)
3.1 Outline of the Address Space
The logical addresses of the M32R are always handled in 32 bits, providing a linear address space of up to 4
Gbytes. The address space of the M32R/ECU consists of the following:
(1) User space
Internal ROM area
Extended external area
Internal RAM area
SFR (Special Function Register) area
(2) System space (not open to the user)
(1) User space
The 2 Gbytes from the address H’0000 0000 to the address H’7FFF FFFF comprise the user space.
Located in this space are the internal ROM area, an extended external area, the internal RAM area and the
SFR (Special Function Register) area (in which a set of internal peripheral I/O registers exist). Of these, the
internal ROM and extended external areas are located differently depending on mode settings as will be
described later.
(2) System space
The 2 Gbytes from the address H’8000 0000 to the address H’FFFF FFFF comprise the system space.
This space is reserved for use by development tools such as an in-circuit emulator and debug monitor, and
cannot be used by the user.
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