M16C62_N Datasheet, PDF (535/621 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY

External Buses
Mitsubishi microcomputers
M16C / 62 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Table 5.3.2. Access area of 2M-byte ROM and 256K-byte SRAM
Setting of M16C/62
Bank No. Access area
M16C pin output
Chip select output
Bank No.
Address output
CS0 CS3 CS2 CS1 A19 A18 A17 A16 A15 to A0
0
40000
0
0
0
0
0
1
0
0
0000
0
7FFFF
0
0
0
0
0
1
1
1
FFFF
1
000000
03FFFF ^SRAM
4
40000
0
1
0
0
0
1
0
0
0000
BFFFF
0
1
0
0
1
0
1
1
FFFF
000000
07FFFF
5
40000
0
1
0
1
0
1
0
0
0000
BFFFF
0
1
0
1
1
0
1
1
FFFF
080000
0FFFFF
6
40000
0
1
1
0
0
1
0
0
0000
BFFFF
0
1
1
0
1
0
1
1
FFFF
1
0
100000 _ROM
17FFFF
40000
0
1
1
1
0
1
0
0
0000
180000
7
7FFFF
0
1
1
1
0
1
1
1
FFFF
C0000
0
1
1
1
1
1
0
0
0000
1BFFFF
1C0000
FFFFF
0
1
1
1
1
1
1
1
FFFF
1FFFFF
A20 A19 A18 N.C. A17 A16 A15 to A0 SRAM ROM
Address input of 2M-byte ROM and 256K-byteSRAM
CS
real Address
Access area and input of Memory
M16C/62 memory space
(microprocessor mode)
0000016
0040016
SFR area
Internal RAM area
0400016
0800016
2800016
4000016
Internal area reserved
CS3
CS2
CS1
External
area 7FFFF16
CS0
C000016
Bank7
Bank0
Bank6 _{5 4 256K-byte}
SRAM area
FFFFF16
2M-byte ROM area
Memory map
00000016
03FFFF16
00000016
08000016
10000016
SRAM
bank0
ROM
Bank4
Bank5
Bank6
Data area
Data area
18000016
1FFFFF16
Bnak7
Program/Data
area
Bank No. in case of offset bit = 0
Figure 5.3.9. Memory map
The area in 2-Mbyte ROM ranging from address 00000016 to address 17FFFF16 is a data-only area. No
program can be placed in this area. The 512-Kbyte area in 2-Mbyte ROM from address 18000016 to
address 1FFFFF16 can be used to locate both programs and data.
520