Renesas SH7781 User Manual

Page 67

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2. Programming Model

Rev.1.00 Jan. 10, 2008 Page 37 of 1658

REJ09B0261-0100

Bit Bit

Name

Initial
Value R/W Description

17 to 12 Cause

000000 R/W

11 to 7

Enable (EN) 00000

R/W

6 to 2

Flag

00000

R/W

FPU Exception Cause Field
FPU Exception Enable Field
FPU Exception Flag Field
Each time an FPU operation instruction is executed, the
FPU exception cause field is cleared to 0. When an
FPU exception occurs, the bits corresponding to FPU
exception cause field and flag field are set to 1. The
FPU exception flag field remains set to 1 until it is
cleared to 0 by software.

For bit allocations of each field, see table 2.2.

1, 0

RM

01

R/W

Rounding Mode

These bits select the rounding mode.

00: Round to Nearest

01: Round to Zero

10: Reserved

11: Reserved

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