M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 537

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

External Buses
522
Figure 5.4.2. Example of connecting two M5M5278's to a 16-bit data bus
5.4.2 8-bit Memory to 16-bit Width Data Bus Connection Example
Figure 5.4.2 shows an example of connecting two M5M5278's (8-bits SRAM) to a 16-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.
BYTE
CNV
M16C/62 group
SS
A
D
1
0
to A
to D
WRH
WRL
CS0
RD
15
15
CS0
RD
A
A
to
15
1
S
OE
A
A
to
M5M5278D
14
0
W
DQ
DQ
to
1
8
WRL
D
D
to
0
7
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
CS0
RD
A
A
to
15
1
S
A
OE
A
to
14
M5M5278D
0
Mitsubishi microcomputers
M16C / 62 Group
DQ
DQ
W
to
1
8
WRH
D
D
to
15
8