M30620FCAFP datasheet(34/274 Pages) MITSUBISHI

Part #	M30620FCAFP

Description	SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

PDF	274 Pages

Scroll/Zoom	100%

Manufacturer	MITSUBISHI [Mitsubishi Electric Semiconductor]

Direct Link	http://www.mitsubishichips.com

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34 / 274 page

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Bus Control

Figure 1.9.6. Typical bus timings using software wait

Output

Input

Address

< Separate bus (with wait) >

BCLK

Read signal

Write signal

Data bus

BCLK

Read signal

Address bus/

Data bus

Chip select (Note 2)

Address

Data output

Address

Input

ALE

< Multiplexed bus >

Write signal

BCLK

Read signal

Write signal

Address bus (Note 2)

Address

Bus cycle (Note 1)

< Separate bus (no wait) >

Output

Data bus

Input

Note 1: These example timing charts indicate bus cycle length.

After this bus cycle sometimes come read and write cycles in succession.

Note 2: The address bus and chip select may be extended depending on the CPU status

such as that of the instruction queue buffer.

Bus cycle (Note 1)

Address bus (Note 2)

Chip select (Note 2)

M30620FCAFP Datasheet(PDF) 34 Page - Mitsubishi Electric Semiconductor

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