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M16C62P_06 Datasheet, PDF (89/421 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES
M16C/62P Group (M16C/62P, M16C/62PT)
9. Memory Space Expansion Function
Memory expansion mode
00000h
00400h
XXXXXh
04000h
SFR
Internal RAM
Reserved area
08000h Reserved, external area(2)
10000h
27000h
28000h
Reserved area
30000h
External area
Microprocessor mode
SFR
Internal RAM
Reserved area
Reserved, external area(2)
Reserved area
External area
CS3 (16 Kbytes)
CS2 (PM10=0: 124 Kbytes)
CS2 (PM10=1: 92 Kbytes)
CS1 (32 Kbytes)
CS0 (Memory expansion mode:640 Kbytes )
D0000h
YYYYYh
FFFFFh
Reserved area
Internal ROM
CS0 (Microprocessor mode:832 Kbytes)
PM13=0
Internal RAM
Internal ROM
External Area
Capacity Address XXXXXh Capacity Address YYYYYh
CS0
CS1
CS2
CS3
4 Kbytes 013FFh
5 Kbytes 017FFh
48 Kbytes F4000h
64 Kbytes F0000h
Memory expansion mode 28000h to When PM10=0
30000h to CFFFFh
2FFFFh
08000h to 26FFFh
04000h to
07FFFh
10 Kbytes 02BFFh
12 Kbytes 033FFh
96 Kbytes E8000h
128 Kbytes E0000h
Microprocessor mode
30000h to FFFFFh
When PM10=1
10000h to 26FFFh
16 Kbytes 03FFFh(1)
20 Kbytes 03FFFh(1)
24 Kbytes 03FFFh(1)
31 Kbytes 03FFFh(1)
192 Kbytes D0000h
256 Kbytes D0000h(1)
320 Kbytes D0000h(1)
384 Kbytes D0000h(1)
512 Kbytes D0000h(1)
NOTES :
1. If PM13 bit in the PM1 register is set to “0”, 15 Kbytes of the internal RAM and 192 Kbytes of the internal ROM can be used.
2. For flash memory version, when the PM10 bit in the PM1 register is set to “1”, 0F000h to 0FFFFh can be used as internal ROM area.
Figure 9.2 Memory Mapping and CS Area in 1-Mbyte mode (PM13=0)
Rev.2.41 Jan 10, 2006 Page 74 of 390
REJ09B0185-0241