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Chapter 3 MB91460 Series Basic Information
2.I/O Map
Notes:
*1
Use a read access (byte or halfword) to this address to synchronize the CPU operation (e.g. the interrupt accep-
tance of the CPU) to a preceding write access to the resources on R-bus (e.g. to an interrupt flag) on following
addresses (0x0000-0x01FF, 0x0280-0x037F, 0x0400-0x063F and 0x0C00-0x0FFF).
*2
Use a read access (byte or halfword) to this address to synchronize the CPU operation (e.g. the interrupt accep-
tance of the CPU) to a preceding write access to the CANs on D-bus (e.g. to an interrupt flag) on following addresses
(0xC000-0xFFFF).
200000
H
-
27FFFC
H
ROMS10 area (512kB)
280000
H
-
2FFFFC
H
ROMS11 area (512kB)
300000
H
-
37FFFC
H
ROMS12 area (512kB)
380000
H
-
3FFFFC
H
ROMS13 area (512kB)
400000
H
-
47FFFC
H
ROMS14 area (512kB)
480000
H
-
4FFFFC
H
ROMS15 area (512kB)
Write operations to address 0FFFF8
H
and 0FFFFC
H
are not possible. When reading these addresses, the values
shown above will be read.
Address
Register
Block
+0 +1 +2 +3