UPD705100 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD705100

V830™ 32-BIT MICROCONTROLLER

NEC => Renesas Technology 

µPD705100

2.2 I/O Space

The V830 represents the I/O space using 32 bits and supports a linear address space of up to 4G bytes.

The 1G-byte area C0000000H-FFFFFFFFH is reserved as an internal I/O area. External I/O cannot be placed in

this area. When accessing that part of the internal I/O area to which internal I/O is not allocated, normal operation

cannot be guaranteed.

Figure 2-2. I/O Map

FFFFFFFFH

C0000000H

BFFFFFFFH

80000000H

7FFFFFFFH

40000000H

3FFFFFFFH

00000000H

Internal I/O area

(1G byte)

External I/O area

(1G byte)

External I/O area

(1G byte)

External I/O area

(1G byte)

10

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