Altera Integer Arithmetic IP User Manual

Page 133

Advertising
background image

Parameter Name

Type

Requi

red

Description

SHIFT_MODE

String

No

Specifies the shift mode. Values

are

NO

,

LEFT

,

RIGHT

,

ROTATION

,

and

VARIABLE

. If

VARIABLE

is

selected, rotate and

shift_right

are used to specify shift left, shift

right, or rotation. If omitted, the

default value is

NO

.

Note that this parameter is

supported only when inputs

equal 32 bits each, output equals

32 bits, and the number of

multipliers equals 1.

ROTATE_REGISTER

String

No

Specifies the clock source for the

first register on the rotate input.

Values are

UNREGISTERED

,

CLOCK0

,

CLOCK1

,

CLOCK2

, and

CLOCK3

. If omitted, the default

value is

CLOCK0

.

ROTATE_ACLR

String

No

Specifies the asynchronous clear

source for the first register on the

rotate input. Values are

ACLR0

,

ACLR1

,

ACLR2

, and

ACLR3

. If

omitted and

ROTATE_REGISTER

is

used, the default value is

ACLR3

.

ROTATE_PIPELINE_REGISTER

String

No

Specifies the clock source for the

second register on the rotate

input. Values are

UNREGISTERED

,

CLOCK0

,

CLOCK1

,

CLOCK2

, and

CLOCK3

. If omitted, the default

value is

CLOCK0

.

ROTATE_PIPELINE_ACLR

String

No

Specifies the asynchronous clear

source for the second register on

the rotate input. Values are

ACLR0

,

ACLR1

,

ACLR2

, and

ACLR3

.

If omitted and

ROTATE_

PIPELINE_REGISTER

is used, the

default value is

ACLR3

.

ROTATE_OUTPUT_REGISTER

String

No

Specifies the clock source for the

third register on the rotate input.

Values are

UNREGISTERED

,

CLOCK0

,

CLOCK1

,

CLOCK2

, and

CLOCK3

. If omitted, the default

value is

CLOCK0

.

9-32

ALTMULT_ADD Parameters

UG-01063

2014.12.19

Altera Corporation

ALTMULT_ADD (Multiply-Adder)

Send Feedback

Advertising