M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 539

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

External Buses
524
Figure 5.4.4. Example of connecting two M5M5278's to an 8-bit data bus
5.4.3 8-bit Memory to 8-bit Width Data Bus Connection Example
Figure 5.4.4 shows an example of connecting two M5M5278's (8-bits SRAM) to an 8-bit data bus.In this
diagram, when reset the microcomputer starts operating in single-chip mode. Change this mode to
memory expansion mode in a program.
CNV
BYTE
M16C/62 group
SS
A
D
0
0
to A
to D
CS1
CS0
WR
RD
14
7
CS0
RD
S
A
OE
A
to
14
0
M5M5278D
DQ
DQ
to
W
1
8
WR
D
D
to
0
7
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
RD
CS1
S
A
OE
A
to
14
0
M5M5278D
Mitsubishi microcomputers
M16C / 62 Group
W
DQ
DQ
to
1
8
D
D
WR
to
0
7