Rev. 2.00, 09/03, page 153 of 690
Area
Memory to be
Connected
Physical Address
Capacity
Access
Size
H'04000000
to H'07FFFFFF
Area 1
Internal I/O register
*
7
H'04000000
to H'07FFFFFF
+
H'20000000
×
n
+
H'20000000
×
n
(n:1 to 6)
H'08000000
to H'0BFFFFFF
64 Mbytes 8, 16, 32
*
3,
*
5
Area 2
Normal memory
*
1
,
Synchronous DRAM
H'08000000
to H'0BFFFFFF
+
H'20000000
×
n
+
H'20000000
×
n
Shadow
(n:1 to 6)
H'0C000000
to H'0FFFFFFF
64 Mbytes 8, 16, 32
*
3,
*
5
Area 3
Normal memory
*
1
,
Synchronous DRAM
H'0C000000
to H'0FFFFFFF
+
H'20000000
×
n
+
H'20000000
×
n
Shadow
(n: 1 to 6)
H'10000000
to H'13FFFFFF
64 Mbytes 8, 16, 32
*
3
Area 4
Normal memory
*
1
,
Burst ROM,
Byte-selection SRAM
H'10000000
to H'13FFFFFF
+
H'20000000
×
n
+
H'20000000
×
n
Shadow
(n: 1 to 6)
H'14000000
to H'15FFFFFF
32 Mbytes 8, 16, 32
*
3
Area 5A
Normal memory
*
1
H'14000000
to H'15FFFFFF
+
H'20000000
×
n
+
H'20000000
×
n
Shadow
(n: 1 to 6)
H'16000000
to H'17FFFFFF
32 Mbytes 8, 16
*
3,
*
4
Area 5B
Normal memory
*
1
,
Address/data multiplex
I/O (MPX), Byte-
selection SRAM
H'16000000
to H'17FFFFFF
+
H'20000000
×
n
+
H'20000000
×
n
Shadow
(n: 1 to 6)
H'18000000
to H'19FFFFFF
32 Mbytes 8, 16
*
3
Area 6A
Normal memory
*
1
H'18000000
to H'19FFFFFF
+
H'20000000
×
n
+
H'20000000
×
n
Shadow
(n: 1 to 6)
H'1A000000
to H'1BFFFFFF
32 Mbytes 8, 16
*
3
Area 6B
Normal memory
*
1
H'1A000000
to H'1BFFFFFF
+
H'20000000
×
n
+
H'20000000
×
n
Shadow
(n: 1 to 6)
Area 7
*
6
Reserved area
H'1C000000
to H'1FFFFFFF
+
H'20000000
×
n
+
H'20000000
×
n
(n: 0 to 7)
Notes: 1. Memory that has an interface such as SRAM or ROM.
2. Memory bus width is specified by an external pin.
3. Memory bus width is specified by a register.
4. With the address/data multiplex I/O (MPX) interface, the bus width must be 16 bits.
5. With the SDRAM, the bus width must be 16 bits or 32 bits.
6. Do not access the reserved area. If the reserved area is accessed, the operation cannot
be guaranteed.
7. When the addresses of the on-chip module control registers (internal I/O registers) in
area 1 are not translated by the MMU, set the top three bits of the logical addresses to
101 to allocate in the P2 space.
Содержание SH7705
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