HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 142

• Manufacturer Part Number: HD6417618
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 7 Bus State Controller (BSC)
Area P4 (H'E0000000 to H'EFFFFFFF) is an I/O area and is allocated to internal register
addresses. Therefore, area P4 does not become shadow space.
7.3.3
The external address space has a capacity of 256 Mbytes and is divided into five areas. Types of
memory to be connected and the data bus width are specified for individual areas. The address
map for the external address space is shown in table 7.2.
Table 7.2
Rev. 6.00 Jun. 12, 2007 Page 110 of 610
REJ09B0131-0600
Physical Address
H'00000000 to H'03FFFFFF
H'04000000 to H'07FFFFFF
H'08000000 to H'0BFFFFFF
H'0C000000 to H'0FFFFFFF
Address Map
H'C0000000
H'A0000000
H'E0000000
Address Map 1 (CMNCR.MAP = 0)
H'00000000
H'20000000
H'40000000
H'60000000
H'80000000
Address Space
P0
P1
P2
P3
P4
Area
Area 0
Area 1
Area 2
Area 3
Figure 7.2 Address Space
Memory to be Connected
Normal memory
Reserved area*
Reserved area*
Normal memory
Byte-selection SRAM
SDRAM
Physical address space
Area 0 (CS0)
Area 1 (reserved)
Area 2 (reserved)
Area 3 (CS3)
Area 4 (CS4)
Area 5A (reserved)
Area 5B (CS5B)
Area 6A (reserved)
Area 6B (CS6B)
Area 7 (reserved)
Capacity
64 Mbytes
64 Mbytes
64 Mbytes
64 Mbytes