M30620FCAFP datasheet(54/615 Pages) RENESAS

部件名	M30620FCAFP

功能描述	16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

PDF	615 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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54 / 615 page

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Bus Control

1-35

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)

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