Intel Agilex User Manual page 6

Table 2. Supported Combinations of Operational Modes and Dynamic Control Features
Variable- Operation
Precision Mode
DSP Block
Resource
1 variable Fixed-point four
precision 9 x9 multiplier
DSP block adder mode
Fixed-point
independent
18 x 19
multiplication
Fixed-point
independent
27 x 27
multiplication
Fixed-point two
18 x 19
multiplier adder
mode
Fixed-point
18 x 18
multiplier adder
summed with
36-bit input
Fixed-point
18 x 19 systolic
mode
2 variable Fixed-point
precision complex
DSP blocks 18 x 19
multiplication
Related Information
• Intel Agilex Device Overview—Intel Agilex FPGAs Family Plan
Refer to the Intel Agilex FPGAs Family Plan in the Intel Agilex Device Overview
for more information on the variable precision DSP blocks resources.
• Pre-adder for Fixed-Point Arithmetic
• Internal Coefficient for Fixed-Point Arithmetic
• Accumulator, Chainout Adder, and Preload Constant for Fixed-Point Arithmetic
page 18
• Input Cascade for Fixed-Point Arithmetic
• Intel Agilex Variable Precision DSP Blocks Design Considerations
® ™
Intel Agilex Variable Precision DSP Blocks User Guide
6
1. Intel
Dynamic Dynamic
ACCUMULAT LOADCONST
E
Yes Yes
No No
Yes Yes
Yes Yes
Yes Yes
Yes Yes
No No
® ™
Agilex Variable Precision DSP Blocks Overview
Dynamic Dynamic
SUB NEGATE
No No
No No
No Yes
Yes Yes
Yes Yes
Yes Yes
No No
on page 17
on page 17
on page 64
UG-20213 | 2019.04.02
Dynamic Dynamic
Scanin Chainout
No Yes
Yes No
No Yes
Yes Yes
No Yes
Yes Yes
No No
on
on page 62
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