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46
Mitsubishi microcomputers
M16C / 62P Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Memory Space Expansion Function
Under
development
Preliminary Specifications Rev.1.0
Specifications in this manual are tentative and subject to change.
______
Figure 1.8.4. Memory Mapping and CS Area in 4 Mbyte Mode (PM13=0)
Microprocessor mode
0000016
0040016
XXXXX16
YYYYY16
FFFFF16
D000016
0800016
Memory expansion mode
SFR
Internal RAM
Internal ROM
Reserved area
CS3(16 Kbytes)
CS2(PM10=0: 124 Kbytes)
CS1(96 Kbytes)
CS0(Microprocessor mode:256 Kbytes)
2800016
4000016
0400016
Reserved area
2700016
PM13=0
Reserved, external area
External area
1000016
SFR
Internal RAM
Reserved area
External area
CS2 (PM10=1: 92 Kbytes)
CS0(Memory expansion mode:64 Kbytes )
CS0
Memory expansion mode
C000016–CFFFF16
External area
CS1
Microprocessor mode
C000016–FFFFF16
2800016–
3FFFF16
CS2
When PM10=0
0800016–26FFF16
When PM10=1
1000016–26FFF16
CS3
0400016–
07FFF16
C000016
Other than the CS area
(512 Kbytes X 8 banks)
4000016–BFFFF16
Other than the CS area (Note 1)
Note 1: The CS0 pin outputs a low signal, and the CS1–CS3 pins output a bank number.
Note 2: If PM13 bit is set to “0”, 15 Kbytes of the internal RAM and 192 Kbytes of the internal ROM can be used.
Capacity
Address YYYYY16
128 Kbytes E000016
256 Kbytes D000016(Note2)
Capacity
Address XXXXX16
12 Kbytes 033FF16
20 Kbytes 03FFF16(Note2)
10 Kbytes 02BFF16
24 Kbytes 03FFF16(Note2)
384 Kbytes D000016(Note2)
512 Kbytes D000016(Note2)
Internal RAM
Internal ROM
4 Kbytes 013FF16
5 Kbytes 017FF16
31 Kbytes 03FFF16(Note2)
48 Kbytes F400016
64 Kbytes F000016
96 Kbytes E800016
192 Kbytes D000016
320 Kbytes D000016(Note2)
16 Kbytes 03FFF16(Note2)
Reserved, external area
Microprocessor mode
0000016
0040016
XXXXX16
YYYYY16
FFFFF16
C000016
0800016
Memory expansion mode
SFR
Internal RAM
Internal ROM
Reserved area
CS2(PM10=0: 124 Kbytes)
CS1(96 Kbytes)
CS0(Microprocessor mode:256 Kbytes)
2800016
4000016
Reserved area
2700016
PM13=1
External area
1000016
SFR
Internal RAM
Reserved area
External area
CS2(PM10=1: 92 Kbytes)
Other than the CS area
(Microprocessor mode:512 Kbytes X 8 banks)
CS0
External area
CS1
Microprocessor mode
C000016–FFFFF16
2800016–
3FFFF16
CS2
When PM10=0
0800016–26FFF16
When PM10=1
1000016–26FFF16
CS3
No area
8000016
Other than the CS area
(Memory expansion mode:256 Kbytes X 8 banks)*
*Two 256 Kbytes X 8 banks can be used by changing the offset.
Other than the CS area (Note)
Memory expansion mode
0400016–7FFFF16
Microprocessor mode
0400016–BFFFF16
Note : The CS0 pin outputs a low signal, and the CS1–CS3 pins output a bank number.
Capacity
Address YYYYY16
128 Kbytes
E000016
256 Kbytes
C000016
Capacity
Address XXXXX16
12 Kbytes
033FF16
20 Kbytes
053FF16
10 Kbytes
02BFF16
24 Kbytes
063FF16
384 Kbytes
A000016
512 Kbytes
8000016
Internal RAM
Internal ROM
4 Kbytes
013FF16
5 Kbytes
017FF16
31 Kbytes
07FFF16
48 Kbytes
F400016
64 Kbytes
F000016
96 Kbytes
E800016
192 Kbytes
D000016
320 Kbytes
B000016
16 Kbytes
043FF16
Reserved, external area
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Figure 1.8.5. Memory Mapping and CS Area in 4 Mbyte Mode (PM13=1)