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Renesas SH7781 User Manual

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8. Caches

Rev.1.00 Jan. 10, 2008 Page 221 of 1658

REJ09B0261-0100

Bit Bit

Name

Initial
Value R/W

Description

8

RP

0

R/W

On-Chip Memory Protection Enable Bit

For details, see section 9.4, On-Chip Memory
Protective Functions.

7

IC2W

0

R/W

IC Two-Way Mode bit

0: IC is a four-way operation

1: IC is a two-way operation

For details, see section 8.4.3, IC Two-Way Mode.

6

OC2W

0

R/W

OC Two-Way Mode bit

0: OC is a four-way operation

1: OC is a two-way operation

For details, see section 8.3.6, OC Two-Way Mode.

5

ICWPD

0

R/W

IC Way Prediction Stop

Selects whether the IC way prediction is used.

0: Instruction cache performs way prediction.

1: Instruction cache does not perform way prediction.

4 to 0

⎯ All

0

R

Reserved

For details on reading from or writing to these bits, see
description in General Precautions on Handling of
Product.