UPD705100GJ-100-8 NEC [NEC], UPD705100GJ-100-8 Datasheet - Page 10

• Manufacturer Part Number: UPD705100GJ-100-8
• Description: V830TM 32-BIT MICROCONTROLLER
• Manufacturer: NEC [NEC]

10
2.2 I/O Space
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.
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
BFFFFFFFH
7FFFFFFFH
FFFFFFFFH
3FFFFFFFH
C0000000H
80000000H
40000000H
00000000H
Figure 2-2. I/O Map
External I/O area
External I/O area
External I/O area
Internal I/O area
(1G byte)
(1G byte)
(1G byte)
(1G byte)
PD705100