M16C62_N Datasheet, PDF (543/621 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY

External Buses
Mitsubishi microcomputers
M16C / 62 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
5.4.7 8-Bit Width Data Bus Connection Example in Memory Space Expansion Mode 2
Figure 5.4.8 shows how to connect the Am29F032B (32-Mbit flash memory), M5M5256D (256-Kbit
SRAM), and M5M51008B (1-Mbit SRAM) when operating with a 5 V power supply voltage in micropro-
cessor mode.
CS0
CNVss
CS1
BYTE ^CS2
CS3
A0 to A19
RD
WR
D0 to D7
M16C/62
A14 _A14
A0 _A0
CS3 _S
RD _OE
WR _W
DQ1 ^D0
DQ8 ^D7
M5M5256D
A16 _A16
A0 _A0
CS2 _S1
CS0 _S2
RD _OE
WR _W
DQ1 ^D0
DQ8 ^D7
M5M51008B
A16 _A16
A0 _A0
CS1 _S1
CS0 _S2
RD _OE
WR _W
DQ1 ^D0
DQ8 ^D7
M5M51008B
CS3 _A21
CS2 _A20
CS1 _A19
A19 _A18
A17 _A17
A0 _A0
CS0 _CE
RD _OE
WE
RESET input
RESET
DQ0 ^D0
DQ7 D7
Am29F032B
Figure 5.4.8. 8-Bit Width Data Bus Connection Example in Memory Space Expansion Mode 2
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