Arria® V Device Handbook: Volume 1: Device Interfaces and Integration

ID 683213
Date 10/18/2023
Public
Document Table of Contents

3.2. Supported Operational Modes in Arria V Devices

Table 17.  Variable Precision DSP Blocks Operational Modes for Arria V GX, GT, SX, and ST Devices
Variable-Precision DSP Block Resource Operation Mode Supported Instance Pre-Adder Support Coefficient Support Input Cascade Support3 Chainout Support
1 variable precision DSP block Independent 9 x 9 multiplication 3 No No No No
Independent 18 x 18 multiplication 2 Yes Yes Yes No
Independent 18 x 19 multiplication 2 Yes Yes Yes No
Independent 18 x 25 multiplication 1 Yes Yes Yes Yes
Independent 20 x 24 multiplication 1 Yes Yes Yes Yes
Independent 27 x 27 multiplication 1 Yes Yes Yes Yes
Two 18 x 19 multiplier adder mode 1 Yes Yes Yes Yes
18 x 18 multiplier adder summed with 36-bit input 1 Yes No No Yes
2 variable precision DSP blocks Complex 18 x 19 multiplication 1 No No Yes No
Table 18.  Variable Precision DSP Blocks Operational Modes for Arria® V  GZ Devices
Variable Precision DSP Block Resources Operational Mode Supported Instance Pre-adder Support Coefficient Support Input Cascade Support Chainout Support
1 variable precision DSP block Independent 9 x 9 multiplication 3 No No No No
Independent 16 x 16 multiplication 2 Yes Yes Yes No
Independent 18 x 18 partial multiplication (32-bit) 2 Yes Yes Yes No
Independent 18 x 18 multiplication 1 Yes Yes Yes No
Independent 27 x 27 multiplication 1 Yes Yes Yes Yes
Independent 36 x 18 multiplication 1 No Yes No Yes
Two 18 x 18 multiplier adder 1 Yes Yes Yes Yes
Two 16 x 16 multiplier adder 1 Yes Yes Yes Yes
Sum of 2 square 1 Yes 4 No No Yes
18 x 18 multiplication summed with 36-bit input 1 No No No Yes
2 variable precision DSP blocks Independent 18 x 18 multiplication 3 No No No No
Independent 36 x 36 multiplication 1 No No No No
Complex 18 x 18 multiplication 1 Yes Yes Yes Yes
Four 18 x 18 multiplier adder 1 Yes Yes Yes No
Two 27 x 27 multiplier adder 1 Yes Yes Yes No
Two 18 x 36 multiplier adder 1 No Yes No No
3 variable precision DSP blocks Complex 18 x 25 multiplication 1 Yes4 No No No
4 variable precision DSP blocks Complex 27 x 27 multiplication 1 Yes Yes Yes No
3 When you enable the pre-adder feature, the input cascade support is not available.
4 The pre-adder feature for this mode is automatically enabled.