SH7721 datasheet(178/1524 Pages) RENESAS

Part #	SH7721

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

PDF	1524 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

Logo

178 / 1524 page

Section 3 DSP Operating Unit

Rev. 3.00 Jan. 18, 2008 Page 116 of 1458

REJ09B0033-0300

Table 3.16

DSR Register Bits

Bits

Bit Name

Initial

Value

R/W

Function

31 to 8



All 0

Reserved

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

always be 0.

R/W

Signed Greater Bit

Indicates that the operation result is positive (except 0),

or that operand 1 is greater than operand 2

1: Operation result is positive, or operand 1 is greater

than operand 2

R/W

Zero Bit

Indicates that the operation result is zero (0), or that

operand 1 is equal to operand 2

1: Operation result is zero (0), or operands are equal

R/W

Negative Bit

Indicates that the operation result is negative, or that

operand 1 is smaller than operand 2

1: Operation result is negative, or operand 1 is smaller

than operand 2

R/W

Overflow Bit

Indicates that the operation result has overflowed

1: Operation result has overflowed

SH7721 Datasheet(PDF) 178 Page - Renesas Technology Corp