M30245_06 RENESAS [Renesas Technology Corp], M30245_06 Datasheet - Page 346

• Manufacturer Part Number: M30245_06
• Description: RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 4.3.4. Example of connecting two M5M5278's to an 8-bit data bus
4.3.3 8-bit Memory to 8-bit Width Data Bus Connection Example
Figure 4.3.4 shows an example of connecting two M5M5278's (SRAM) to an 8-bit data bus.In this dia-
gram, when reset the microcomputer starts operating in single-chip mode. Change this mode to memory
expansion mode in a program.
C N V
B Y T E
M i c r o c o m p u t e r
S S
A
D
0
0
t o A
t o D
page 337 of 354
C S 0
C S 1
W R
R D
1 4
7
C S 0
R D
S
A
A
O E
to
1 4
0
M5M5278D
W
DQ
DQ
t o
1
8
D
D
WR
t o
0
7
C S 1
RD
S
A
A
O E
t o
1 4
0
M 5 M 5 2 7 8 D
D Q
D Q
W
t o
4. External Buses
1
8
W R
D
D
t o
0
7