IPTR-DSPBUILDER Altera, IPTR-DSPBUILDER Datasheet - Page 314

• Manufacturer Part Number: IPTR-DSPBUILDER
• Description: DSP BUILDER SOFTWARE
• Manufacturer: Altera
• Type: DSPr

Specifications of IPTR-DSPBUILDER

• Function: DSP Builder
• License: Renewal License
• Software Application: IP CORE, DSP BUILDER
• Core Architecture: FPGA
• Core Sub-architecture: Arria, Cyclone, Stratix
• Supported Families: Arria GX, Arria II GX, Cyclone, Stratix
• Rohs Compliant: NA
• Lead Free Status / RoHS Status: Not applicable / Not applicable

6–6
Table 6–6. Bus Builder Block Parameters (Part 2 of 2)
Table 6–7. Bus Builder Block I/O Formats
Figure 6–5. Bus Builder Block Example
DSP Builder Standard Blockset Libraries
[].[number of bits] >= 0
I
O
Notes to
(1) For signed integers and signed binary fractional numbers, the MSB is the sign bit.
(2) [L] is the number of bits on the left side of the binary point; [R] is the number of bits on the right side of the binary point. For signed or unsigned
(3) I1
(4) Explicit means that the port bit width information is a block parameter. Implicit means that the port bit width information is set by the datapath
I/O
integers R = 0, that is, [L].[0]. For single bits, R = 0, that is, [1] is a single bit.
bit width propagation mechanism. To specify the bus format of an implicit input port, use a Bus Conversion block to set the width.
I1
…
Ii
….
In
O1
where n is the number of inputs
[L].[R]
Name
[1]
[1]
[1]
[LP].[RP]
Table
is an input port. O1
Simulink (2),
6–7:
with LP + RP = n
(Parameterizable)
Table 6–7
Figure 6–5
(3)
[L].[R]
Value
is an output port.
shows the Bus Builder block I/O formats.
shows a design example with the Bus Builder block.
I1: in STD_LOGIC
…
Ii: in STD_LOGIC
….
In: in STD_LOGIC
O1: out STD_LOGIC_VECTOR({LP + RP - 1} DOWNTO 0)
Specifies the number of bits to the right of the binary point. This parameter
applies only to signed binary fractional buses.
(Note 1)
Preliminary
VHDL
Description
© June 2010 Altera Corporation
Chapter 6: IO & Bus Library
Bus Builder
Type
Explicit
...
Explicit
...
Explicit
Explicit
(4)