M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 39

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

Memory Space Expansion Functions
24
Figure 1.8.3. External memory connect example in expansion mode 1
A connection example
Figure 1.8.3 shows a connection example of the MCU with the external memories in expansion mode 1.
In this example, CS0 is connected with a 1-M byte flash ROM and CS2 is connected with a 128-K byte
SRAM.
An example of connecting the MCU with external memories in expansion mode 1
FFFFF
017FF
D0000
00000
00400
04000
08000
28000
30000
(An example of using M30622MC in microprocessor mode)
A0 to A16
D0 to D7
16
16
16
16
16
16
16
16
16
CS1
CS2
CS3
CS0
A17
A18
A19
WR
RD
_______
Internal area reserved
Internal RAM
External area
SFR area
area
17
8
AD17
W
DQ0 to DQ7
AD0 to AD16
AD18
AD19
OE
CS
DQ0 to DQ7
AD0 to AD16
OE
S2
S1
(128K bytes)
Usable for
data only
SRAM
(128K bytes)
CS2
Usable both for
programs only
programs and
(1M byte)
Usable for
Flash
ROM
for data
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
_______
(1008K bytes)
CS0
Mitsubishi microcomputers
M16C / 62 Group