SH7708 datasheet(212/633 Pages) RENESAS

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Table 10.3

Physical Address Space Map

Area Physical Address

Connectable Memory

Capacity

Access Size

H'00000000 to H'03FFFFFF

Normal memory*1, burst

64 Mbytes 8, 16, 32*2

H'00000000 + H'20000000

× n to

H'03FFFFFF + H'20000000

× n

ROM

Shadow

n: 1–6

H'04000000 to H'07FFFFFF

Normal memory

64 Mbytes 8, 16, 32*3

H'04000000 + H'20000000

× n to

H'07FFFFFF + H'20000000

× n

Shadow

n: 1–6

H'08000000 to H'0BFFFFFF

Normal memory,

64 Mbytes 8, 16, 32*3, *4

H'08000000 + H'20000000

× n to

H'0BFFFFFF + H'20000000

× n

synchronous DRAM, DRAM

Shadow

n: 1–6

H'0C000000 to H'0FFFFFFF

Normal memory,

64 Mbytes 8, 16, 32*3, *5

H'0C000000 + H'20000000

× n to

H'0FFFFFFF + H'20000000

× n

synchronous DRAM, DRAM,

pseudo-SRAM

Shadow

n: 1–6

H'10000000 to H'13FFFFFF

Normal memory

64 Mbytes 8, 16, 32*3

H'10000000 + H'20000000

× n to

H'13FFFFFF + H'20000000

× n

Shadow

n: 1–6

5*5

H'14000000 to H'15FFFFFF

Normal memory, PCMCIA,

32 Mbytes 8, 16, 32 *3, *6

H'16000000 to H'17FFFFFF

burst ROM

32 Mbytes

H'14000000 + H'20000000

× n to

H'17FFFFFF + H'20000000

× n

Shadow

n: 1–6

H'18000000 to H'19FFFFFF

Normal memory, PCMCIA,

32 Mbytes 8, 16, 32 *3, *6

H'1A000000 to H'1BFFFFFF

burst ROM

H'18000000 + H'20000000

× n to

H'1BFFFFFF + H'20000000

× n

Shadow

n: 1–6

7*7

H'1C000000 + H'20000000

× n

to H'1FFFFFFF + H'20000000

× n

Reserved area

n: 0–7

Notes: 1. Memory with an SRAM, ROM, or similar interface

2. Memory bus width specified by external pin

3. Memory bus width specified by register

4. With synchronous DRAM interface, bus width is 32 bits only.

With DRAM interface, bus width is 16 bits only.

5. With synchronous DRAM interface, bus width is 32 bits only.

With DRAM and pseudo-SRAM interface, bus width is either 16 or 32 bits only. When

areas 2 and 3 are both DRAM interface areas, bus width is 16 bits only.

6. With PCMCIA interface, bus width is either 8 or 16 bits only.

7. Do not access a reserved area, as operation cannot be guaranteed in this case.

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