M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 40

• Manufacturer Part Number: M30622MA-XXXFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
• Manufacturer: RENESAS [Renesas Technology Corp]

Memory Space Expansion Functions
Figure 1.8.5. Memory location and chip select area in expansion mode 2
Figure 1.8.4. Data bank register
(3) Expansion mode 2
In expansion mode 2, the data bank register (0000B
register.
Note 1: These memory maps show an instance in which PM13 is set to 0; but in the case of M30624MG/FG, they
Note 2: The memory maps in single-chip mode are omitted.
XXXXX
YYYYY
FFFFF
D0000
Expansion mode 2 (memory space = 4M bytes for PM15 = 1, PM14 = 1)
00000
00400
04000
08000
28000
40000
M30622M4
M30620M8
M30620MA
M30620MC/EC
M30622MA
M30622MC
M30624MG/FG
M30622M8/E8
Type No.
Data bank register
b7
16
16
16
16
16
16
16
16
16
16
show an instance in which PM13 is set to 1.
b6
Internal area reserved
Internal area reserved
Internal ROM area
Internal RAM area
expansion mode
b5
External area
Memory
SFR are
b4
Address XXXXX
b3
a
b2
02BFF
02BFF
02BFF
013FF
017FF
017FF
053FF
00FFF
b1
16
16
16
16
b0
16
16
16
16
Internal area reserved
Internal RAM area
Microprocessor
16
External area
Bit symbol
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be “0”.
SFR area
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be “0”.
mode
BSR
Address YYYYY
OFS
Symbol
DBR
C0000
F8000
F0000
E8000
E0000
F0000
E8000
E0000
16
16
16
16
16
16
16
16
Bank selection bits
Offset bit
CS3
CS2
CS1
CS0
16
Memory expansion mode:
Microprocessor mode:
512K bytes x 7banks +
256K bytes
512K bytes x 8banks
(16K bytes)
(128K bytes)
(96K bytes)
Bit name
Address
000B
16
) goes effective. Figure 1.8.4 shows the data bank
16
b5 b4 b3
When reset
Addresses from 40000
Addresses from C0000
Bank number is output to CS3 to CS1
0: Not offset
1: Offset
0 0 0: Bank 0
0 1 0: Bank 2
1 0 0: Bank 4
1 1 0: Bank 6
Bank 7 in fetching a program
A bank selected by use of the bank selection
bits in accessing data
Bank 7 invariably
00
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
16
Description
b5 b4 b3
0 0 1: Bank 1
0 1 1: Bank 3
1 0 1: Bank 5
1 1 1: Bank 7
16
16
through BFFFF
through FFFFF
Mitsubishi microcomputers
M16C / 62 Group
R
16
16
W
25