SH7713 datasheet(392/904 Pages) RENESAS

Part #	SH7713

Description	Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 12 Bus State Controller (BSC)

Rev.1.50 Aug. 30, 2006 Page 352 of 860

REJ09B0288-0150

Bit

Bit Name

Initial

Value

R/W

Description

WR3

WR2

WR1

WR0

R/W

Number of Access Wait Cycles

Specify the number of wait cycles that are necessary for

read/write access.

0000: 0 cycle

0001: 1 cycle

0010: 2 cycles

0011: 3 cycles

0100: 4 cycles

0101: 5 cycles

0110: 6 cycles

0111: 8 cycles

1000: 10 cycles

1001: 12 cycles

1010: 14 cycles

1011: 18 cycles

1100: 24 cycles

1101: Reserved (Setting prohibited)

1110: Reserved (Setting prohibited)

1111: Reserved (Setting prohibited)

R/W

External Wait Mask Specification

Specifies whether or not the external wait input is valid.

The specification by this bit is valid even when the number

of access wait cycle is 0.

0: External wait is valid

1: External wait is ignored

5 to 2



All 0

Reserved

These bits are always read as 0. The write value should

always be 0.

SH7713 Datasheet(PDF) 392 Page - Renesas Technology Corp

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