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M16C User Manual.pdf

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External BusesMitsubishi microcomputers<strong>M16C</strong> / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTER5.4.2 8-bit Memory to 16-bit Width Data Bus Connection ExampleFigure 5.4.2 shows an example of connecting two M5M5278's (8-bits SRAM) to a 16-bit data bus.In thisdiagram, when reset the microcomputer starts operating in single-chip mode. Change this mode tomemory expansion mode in a program.<strong>M16C</strong>/62 groupCNVSSBYTEWRHWRLD0 to D15CS0RDCS0RDA15toA1SOEA14toA0WDQ1toDQ8WRLD0toD7CS0RDA15toA1SOEA14toA0WDQ1toDQ8WRHD8toD15M5M5278DM5M5278DA1 to A15Figure 5.4.2. Example of connecting two M5M5278's to a 16-bit data bus522

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