Visible to Intel only — GUID: kly1463119893558
Ixiasoft
Visible to Intel only — GUID: kly1463119893558
Ixiasoft
8.6.5. Accumulator Tab
Parameter | IP Generated Parameter | Value | Default Value | Description |
---|---|---|---|---|
Enable accumulator? | accumulator | YES, NO |
NO | Select YES to enable the accumulator. You must select Register output of adder unit when using accumulator feature. |
What is the accumulator operation type? | accum_direction | ADD, SUB |
ADD | Specifies the operation of the accumulator:
You must select YES for Enable accumulator? parameter to enable this option. |
Preload Constant | ||||
Enable preload constant | gui_ena_preload_const | On Off |
Off | Enable the accum_sload or sload_accum signals and register input to dynamically select the input to the accumulator. When accum_sload is low or sload_accum, the multiplier output is feed into the accumulator. When accum_sload is high or sload_accum, a user specified preload constant is feed into the accumulator. You must select YES for Enable accumulator? parameter to enable this option. |
What is the input of accumulate port connected to? | gui_accumulate_port_select | ACCUM_SLOAD, SLOAD_ACCUM |
ACCUM_SLOAD | Specifies the behavior of accum_sload/sload_accum signal. ACCUM_SLOAD: Drive accum_sload low to load the multiplier output to the accumulator. SLOAD_ACCUM: Drive sload_accum high to load the multiplier output to the accumulator. You must select Enable preload constant option to enable this parameter. |
Select value for preload constant | loadconst_value | 0 - 64 | 64 | Specify the preset constant value. This value can be 2N where N is the preset constant value. When N=64, it represents a constant zero. You must select Enable preload constant option to enable this parameter. |
What is the source for clock input? | gui_accum_sload_register_clock | Clock0 Clock1 Clock2 |
Clock0 | Select Clock0 , Clock1 or Clock2 to specify the input clock signal for accum_sload/sload_accum register. You must select Enable preload constant option to enable this parameter. |
What is the source for asynchronous clear input? | gui_accum_sload_register_aclr | NONE ACLR0 ACLR1 |
NONE | Specifies the asynchronous clear source for the accum_sload/sload_accum register. You must select Enable preload constant option to enable this parameter. |
What is the source for synchronous clear input? | gui_accum_sload_register_sclr | NONE SCLR0 SCLR1 |
NONE | Specifies the synchronous clear source for the accum_sload/sload_accum register. You must select Enable preload constant option to enable this parameter. |
Enable double accumulator | gui_double_accum | On Off |
Off | Enables the double accumulator register. |