Intel Agilex User Manual page 68

4.2.1.1. FP32 Operation Modes Supported Register Configurations
Table 26. Supported Register Configurations For FP32 Multiplication Mode
Latency
fp32_mult_a_clk
0 Disable
1 Enable
1 Disable
2 Enable
≥3 Disable
Table 27. Supported Register Configurations For FP32 Addition or Subtraction Mode
Latency Data Input Register
fp32_adder_a
_clken
0 Disable
1 Enable
1 Disable
2 Enable
≥3 Enable
Table 28. Supported Register Configurations For FP32 Multiplication with Addition or
Subtraction Mode
Latency Data Input Register
fp32_add
er_a_clke
n
0 Disable
1 Enable
1 Disable
2 Enable
≥3 Enable
≥4 Enable
® ™
Intel Agilex Variable Precision DSP Blocks User Guide
68
4. Intel Agilex Variable Precision DSP Blocks Design Considerations
Input Register
fp32_mult_b_clk
en en
Disable
Enable
Disable
Enable
Enable
fp32_adder_b fp32_adder_a
_clken _chainin_pl_cl
Disable
Enable
Disable
Enable
Enable
Adder 1st
Pipeline
Register
fp32_mul fp32_mul fp32_add
t_a_clken t_b_clken er_a_chai
nin_pl_cl
ken
Disable Disable Disable
Enable Enable Disable
Disable Disable Disable
Enable Enable Disable
Enable Enable Disable,
enable
Enable Enable Disable,
enable
Pipeline Register
mult_pipeline_cl mult_2nd_pipelin
ken
Disable
Disable
Disable
Disable
Disable, enable
Pipeline Register
fp32_adder_a
_chainin_2nd_
ken pl_clken
Disable Disable
Disable Disable
Disable Disable
Disable Disable
Disable, enable Disable, enable
Adder Multiplier
2nd 1st
Pipeline Pipeline
Register Register
fp32_add mult_pipe
er_a_chai line_clke
nin_2nd_ n
pl_clken
Disable Disable
Disable Disable
Disable Disable
Disable Disable
Disable, Disable
enable
Disable, Disable,
enable enable
UG-20213 | 2019.04.02
Output Register
output_clken
e_clken
Disable Disable
Disable Disable
Disable Enable
Enable Enable
Enable Enable
Adder Input Output
Register Register
adder_input_c output_clken
lken
Disable Disable
Disable Disable
Disable Enable
Disable Enable
Enable Enable
Multiplier Adder
2nd Input
Pipeline Register
Register
mult_2nd adder_inp output_cl
_pipeline ut_clken
_clken
Disable Disable Disable
Disable Disable Disable
Disable Disable Enable
Disable Disable Enable
Disable Enable Enable
Enable Enable Enable
Send Feedback
Output
Register
ken