R-IN32M3 datasheet(79/116 Pages) RENESAS

Part #	R-IN32M3

Description	LSI for Industrial Ethernet

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Manufacturer	RENESAS [Renesas Technology Corp]

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R-IN32M3 Series Data Sheet

4. Electrical Specifications

R18DS0008EJ0401

Page 79 of 110

Feb 28, 2017

(b)

Write timing

BUSCLK (output)

A1-A26 (output)

CSZ0-CSZ3 (output)

WRZ0-WRZ3note, WRSTB (output)

BENZ0-BENZ3note (output)

RDZ (output)

D0-D31 (i/o)

WAITZ (input)

BCYSTZ (input)

< tDKA >

< tDKWR >

< tHKOD >

< tDKOD >

< tSKW >

< tHKW >

< tDKWR >

< tDKBS >

Figure 4.5 Memory Controller Read Timing Diagram (Asynchronous Memory)

Note: The WRZ0-WRZ3 pins function both as WRZ0-WRZ3 and BENZ0-BENZ3. These pins function as

BENZ0-BENZ3 after a reset and can be switched with the write enable switch registers (WREN).

For details, see section 9.3.5, Write Enable Switch Registers (WREN), in the R-IN32M3 Series

User’s Manual: Peripheral Modules.

Remark: Above timing shows the case for when “Idle Wait”, “Write Recovery Wait”, and “Address

Wait” are set to 0, and “Data Wait” is set to 3.

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