UOMOP
NCO_ROM_package, NCOtable 본문
NCO_ROM_package
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_signed.all;
package NCO_ROM_package is
constant NCOROM_Address : integer := 2**8;
constant NCOROM_Data : integer := 10;
type ROM_TYPE is array(0 to NCOROM_Address - 1) of std_logic_vector(NCOROM_Data - 1 downto 0);
constant COSROM_TABLE : ROM_TYPE := ROM_TYPE '(
conv_std_logic_vector( 511 , 10),
conv_std_logic_vector( 511 , 10),
conv_std_logic_vector( 510 , 10),
conv_std_logic_vector( 510 , 10),
conv_std_logic_vector( 509 , 10),
conv_std_logic_vector( 507 , 10),
conv_std_logic_vector( 505 , 10),
conv_std_logic_vector( 503 , 10),
conv_std_logic_vector( 501 , 10),
conv_std_logic_vector( 499 , 10),
conv_std_logic_vector( 496 , 10),
conv_std_logic_vector( 492 , 10),
conv_std_logic_vector( 489 , 10),
conv_std_logic_vector( 485 , 10),
conv_std_logic_vector( 481 , 10),
conv_std_logic_vector( 477 , 10),
conv_std_logic_vector( 472 , 10),
conv_std_logic_vector( 467 , 10),
conv_std_logic_vector( 462 , 10),
conv_std_logic_vector( 456 , 10),
conv_std_logic_vector( 451 , 10),
conv_std_logic_vector( 445 , 10),
conv_std_logic_vector( 438 , 10),
conv_std_logic_vector( 432 , 10),
conv_std_logic_vector( 425 , 10),
conv_std_logic_vector( 418 , 10),
conv_std_logic_vector( 410 , 10),
conv_std_logic_vector( 403 , 10),
conv_std_logic_vector( 395 , 10),
conv_std_logic_vector( 387 , 10),
conv_std_logic_vector( 379 , 10),
conv_std_logic_vector( 370 , 10),
conv_std_logic_vector( 361 , 10),
conv_std_logic_vector( 352 , 10),
conv_std_logic_vector( 343 , 10),
conv_std_logic_vector( 334 , 10),
conv_std_logic_vector( 324 , 10),
conv_std_logic_vector( 314 , 10),
conv_std_logic_vector( 304 , 10),
conv_std_logic_vector( 294 , 10),
conv_std_logic_vector( 284 , 10),
conv_std_logic_vector( 273 , 10),
conv_std_logic_vector( 263 , 10),
conv_std_logic_vector( 252 , 10),
conv_std_logic_vector( 241 , 10),
conv_std_logic_vector( 230 , 10),
conv_std_logic_vector( 218 , 10),
conv_std_logic_vector( 207 , 10),
conv_std_logic_vector( 196 , 10),
conv_std_logic_vector( 184 , 10),
conv_std_logic_vector( 172 , 10),
conv_std_logic_vector( 160 , 10),
conv_std_logic_vector( 148 , 10),
conv_std_logic_vector( 136 , 10),
conv_std_logic_vector( 124 , 10),
conv_std_logic_vector( 112 , 10),
conv_std_logic_vector( 100 , 10),
conv_std_logic_vector( 87 , 10),
conv_std_logic_vector( 75 , 10),
conv_std_logic_vector( 63 , 10),
conv_std_logic_vector( 50 , 10),
conv_std_logic_vector( 38 , 10),
conv_std_logic_vector( 25 , 10),
conv_std_logic_vector( 13 , 10),
conv_std_logic_vector( 0 , 10),
conv_std_logic_vector( -13 , 10),
conv_std_logic_vector( -25 , 10),
conv_std_logic_vector( -38 , 10),
conv_std_logic_vector( -50 , 10),
conv_std_logic_vector( -63 , 10),
conv_std_logic_vector( -75 , 10),
conv_std_logic_vector( -87 , 10),
conv_std_logic_vector( -100 , 10),
conv_std_logic_vector( -112 , 10),
conv_std_logic_vector( -124 , 10),
conv_std_logic_vector( -136 , 10),
conv_std_logic_vector( -148 , 10),
conv_std_logic_vector( -160 , 10),
conv_std_logic_vector( -172 , 10),
conv_std_logic_vector( -184 , 10),
conv_std_logic_vector( -196 , 10),
conv_std_logic_vector( -207 , 10),
conv_std_logic_vector( -218 , 10),
conv_std_logic_vector( -230 , 10),
conv_std_logic_vector( -241 , 10),
conv_std_logic_vector( -252 , 10),
conv_std_logic_vector( -263 , 10),
conv_std_logic_vector( -273 , 10),
conv_std_logic_vector( -284 , 10),
conv_std_logic_vector( -294 , 10),
conv_std_logic_vector( -304 , 10),
conv_std_logic_vector( -314 , 10),
conv_std_logic_vector( -324 , 10),
conv_std_logic_vector( -334 , 10),
conv_std_logic_vector( -343 , 10),
conv_std_logic_vector( -352 , 10),
conv_std_logic_vector( -361 , 10),
conv_std_logic_vector( -370 , 10),
conv_std_logic_vector( -379 , 10),
conv_std_logic_vector( -387 , 10),
conv_std_logic_vector( -395 , 10),
conv_std_logic_vector( -403 , 10),
conv_std_logic_vector( -410 , 10),
conv_std_logic_vector( -418 , 10),
conv_std_logic_vector( -425 , 10),
conv_std_logic_vector( -432 , 10),
conv_std_logic_vector( -438 , 10),
conv_std_logic_vector( -445 , 10),
conv_std_logic_vector( -451 , 10),
conv_std_logic_vector( -456 , 10),
conv_std_logic_vector( -462 , 10),
conv_std_logic_vector( -467 , 10),
conv_std_logic_vector( -472 , 10),
conv_std_logic_vector( -477 , 10),
conv_std_logic_vector( -481 , 10),
conv_std_logic_vector( -485 , 10),
conv_std_logic_vector( -489 , 10),
conv_std_logic_vector( -492 , 10),
conv_std_logic_vector( -496 , 10),
conv_std_logic_vector( -499 , 10),
conv_std_logic_vector( -501 , 10),
conv_std_logic_vector( -503 , 10),
conv_std_logic_vector( -505 , 10),
conv_std_logic_vector( -507 , 10),
conv_std_logic_vector( -509 , 10),
conv_std_logic_vector( -510 , 10),
conv_std_logic_vector( -510 , 10),
conv_std_logic_vector( -511 , 10),
conv_std_logic_vector( -511 , 10),
conv_std_logic_vector( -511 , 10),
conv_std_logic_vector( -510 , 10),
conv_std_logic_vector( -510 , 10),
conv_std_logic_vector( -509 , 10),
conv_std_logic_vector( -507 , 10),
conv_std_logic_vector( -505 , 10),
conv_std_logic_vector( -503 , 10),
conv_std_logic_vector( -501 , 10),
conv_std_logic_vector( -499 , 10),
conv_std_logic_vector( -496 , 10),
conv_std_logic_vector( -492 , 10),
conv_std_logic_vector( -489 , 10),
conv_std_logic_vector( -485 , 10),
conv_std_logic_vector( -481 , 10),
conv_std_logic_vector( -477 , 10),
conv_std_logic_vector( -472 , 10),
conv_std_logic_vector( -467 , 10),
conv_std_logic_vector( -462 , 10),
conv_std_logic_vector( -456 , 10),
conv_std_logic_vector( -451 , 10),
conv_std_logic_vector( -445 , 10),
conv_std_logic_vector( -438 , 10),
conv_std_logic_vector( -432 , 10),
conv_std_logic_vector( -425 , 10),
conv_std_logic_vector( -418 , 10),
conv_std_logic_vector( -410 , 10),
conv_std_logic_vector( -403 , 10),
conv_std_logic_vector( -395 , 10),
conv_std_logic_vector( -387 , 10),
conv_std_logic_vector( -379 , 10),
conv_std_logic_vector( -370 , 10),
conv_std_logic_vector( -361 , 10),
conv_std_logic_vector( -352 , 10),
conv_std_logic_vector( -343 , 10),
conv_std_logic_vector( -334 , 10),
conv_std_logic_vector( -324 , 10),
conv_std_logic_vector( -314 , 10),
conv_std_logic_vector( -304 , 10),
conv_std_logic_vector( -294 , 10),
conv_std_logic_vector( -284 , 10),
conv_std_logic_vector( -273 , 10),
conv_std_logic_vector( -263 , 10),
conv_std_logic_vector( -252 , 10),
conv_std_logic_vector( -241 , 10),
conv_std_logic_vector( -230 , 10),
conv_std_logic_vector( -218 , 10),
conv_std_logic_vector( -207 , 10),
conv_std_logic_vector( -196 , 10),
conv_std_logic_vector( -184 , 10),
conv_std_logic_vector( -172 , 10),
conv_std_logic_vector( -160 , 10),
conv_std_logic_vector( -148 , 10),
conv_std_logic_vector( -136 , 10),
conv_std_logic_vector( -124 , 10),
conv_std_logic_vector( -112 , 10),
conv_std_logic_vector( -100 , 10),
conv_std_logic_vector( -87 , 10),
conv_std_logic_vector( -75 , 10),
conv_std_logic_vector( -63 , 10),
conv_std_logic_vector( -50 , 10),
conv_std_logic_vector( -38 , 10),
conv_std_logic_vector( -25 , 10),
conv_std_logic_vector( -13 , 10),
conv_std_logic_vector( 0 , 10),
conv_std_logic_vector( 13 , 10),
conv_std_logic_vector( 25 , 10),
conv_std_logic_vector( 38 , 10),
conv_std_logic_vector( 50 , 10),
conv_std_logic_vector( 63 , 10),
conv_std_logic_vector( 75 , 10),
conv_std_logic_vector( 87 , 10),
conv_std_logic_vector( 100 , 10),
conv_std_logic_vector( 112 , 10),
conv_std_logic_vector( 124 , 10),
conv_std_logic_vector( 136 , 10),
conv_std_logic_vector( 148 , 10),
conv_std_logic_vector( 160 , 10),
conv_std_logic_vector( 172 , 10),
conv_std_logic_vector( 184 , 10),
conv_std_logic_vector( 196 , 10),
conv_std_logic_vector( 207 , 10),
conv_std_logic_vector( 218 , 10),
conv_std_logic_vector( 230 , 10),
conv_std_logic_vector( 241 , 10),
conv_std_logic_vector( 252 , 10),
conv_std_logic_vector( 263 , 10),
conv_std_logic_vector( 273 , 10),
conv_std_logic_vector( 284 , 10),
conv_std_logic_vector( 294 , 10),
conv_std_logic_vector( 304 , 10),
conv_std_logic_vector( 314 , 10),
conv_std_logic_vector( 324 , 10),
conv_std_logic_vector( 334 , 10),
conv_std_logic_vector( 343 , 10),
conv_std_logic_vector( 352 , 10),
conv_std_logic_vector( 361 , 10),
conv_std_logic_vector( 370 , 10),
conv_std_logic_vector( 379 , 10),
conv_std_logic_vector( 387 , 10),
conv_std_logic_vector( 395 , 10),
conv_std_logic_vector( 403 , 10),
conv_std_logic_vector( 410 , 10),
conv_std_logic_vector( 418 , 10),
conv_std_logic_vector( 425 , 10),
conv_std_logic_vector( 432 , 10),
conv_std_logic_vector( 438 , 10),
conv_std_logic_vector( 445 , 10),
conv_std_logic_vector( 451 , 10),
conv_std_logic_vector( 456 , 10),
conv_std_logic_vector( 462 , 10),
conv_std_logic_vector( 467 , 10),
conv_std_logic_vector( 472 , 10),
conv_std_logic_vector( 477 , 10),
conv_std_logic_vector( 481 , 10),
conv_std_logic_vector( 485 , 10),
conv_std_logic_vector( 489 , 10),
conv_std_logic_vector( 492 , 10),
conv_std_logic_vector( 496 , 10),
conv_std_logic_vector( 499 , 10),
conv_std_logic_vector( 501 , 10),
conv_std_logic_vector( 503 , 10),
conv_std_logic_vector( 505 , 10),
conv_std_logic_vector( 507 , 10),
conv_std_logic_vector( 509 , 10),
conv_std_logic_vector( 510 , 10),
conv_std_logic_vector( 510 , 10),
conv_std_logic_vector( 511 , 10) );
constant SINROM_TABLE : ROM_TYPE := ROM_TYPE '(
conv_std_logic_vector( 0 , 10),
conv_std_logic_vector( 13 , 10),
conv_std_logic_vector( 25 , 10),
conv_std_logic_vector( 38 , 10),
conv_std_logic_vector( 50 , 10),
conv_std_logic_vector( 63 , 10),
conv_std_logic_vector( 75 , 10),
conv_std_logic_vector( 87 , 10),
conv_std_logic_vector( 100 , 10),
conv_std_logic_vector( 112 , 10),
conv_std_logic_vector( 124 , 10),
conv_std_logic_vector( 136 , 10),
conv_std_logic_vector( 148 , 10),
conv_std_logic_vector( 160 , 10),
conv_std_logic_vector( 172 , 10),
conv_std_logic_vector( 184 , 10),
conv_std_logic_vector( 196 , 10),
conv_std_logic_vector( 207 , 10),
conv_std_logic_vector( 218 , 10),
conv_std_logic_vector( 230 , 10),
conv_std_logic_vector( 241 , 10),
conv_std_logic_vector( 252 , 10),
conv_std_logic_vector( 263 , 10),
conv_std_logic_vector( 273 , 10),
conv_std_logic_vector( 284 , 10),
conv_std_logic_vector( 294 , 10),
conv_std_logic_vector( 304 , 10),
conv_std_logic_vector( 314 , 10),
conv_std_logic_vector( 324 , 10),
conv_std_logic_vector( 334 , 10),
conv_std_logic_vector( 343 , 10),
conv_std_logic_vector( 352 , 10),
conv_std_logic_vector( 361 , 10),
conv_std_logic_vector( 370 , 10),
conv_std_logic_vector( 379 , 10),
conv_std_logic_vector( 387 , 10),
conv_std_logic_vector( 395 , 10),
conv_std_logic_vector( 403 , 10),
conv_std_logic_vector( 410 , 10),
conv_std_logic_vector( 418 , 10),
conv_std_logic_vector( 425 , 10),
conv_std_logic_vector( 432 , 10),
conv_std_logic_vector( 438 , 10),
conv_std_logic_vector( 445 , 10),
conv_std_logic_vector( 451 , 10),
conv_std_logic_vector( 456 , 10),
conv_std_logic_vector( 462 , 10),
conv_std_logic_vector( 467 , 10),
conv_std_logic_vector( 472 , 10),
conv_std_logic_vector( 477 , 10),
conv_std_logic_vector( 481 , 10),
conv_std_logic_vector( 485 , 10),
conv_std_logic_vector( 489 , 10),
conv_std_logic_vector( 492 , 10),
conv_std_logic_vector( 496 , 10),
conv_std_logic_vector( 499 , 10),
conv_std_logic_vector( 501 , 10),
conv_std_logic_vector( 503 , 10),
conv_std_logic_vector( 505 , 10),
conv_std_logic_vector( 507 , 10),
conv_std_logic_vector( 509 , 10),
conv_std_logic_vector( 510 , 10),
conv_std_logic_vector( 510 , 10),
conv_std_logic_vector( 511 , 10),
conv_std_logic_vector( 511 , 10),
conv_std_logic_vector( 511 , 10),
conv_std_logic_vector( 510 , 10),
conv_std_logic_vector( 510 , 10),
conv_std_logic_vector( 509 , 10),
conv_std_logic_vector( 507 , 10),
conv_std_logic_vector( 505 , 10),
conv_std_logic_vector( 503 , 10),
conv_std_logic_vector( 501 , 10),
conv_std_logic_vector( 499 , 10),
conv_std_logic_vector( 496 , 10),
conv_std_logic_vector( 492 , 10),
conv_std_logic_vector( 489 , 10),
conv_std_logic_vector( 485 , 10),
conv_std_logic_vector( 481 , 10),
conv_std_logic_vector( 477 , 10),
conv_std_logic_vector( 472 , 10),
conv_std_logic_vector( 467 , 10),
conv_std_logic_vector( 462 , 10),
conv_std_logic_vector( 456 , 10),
conv_std_logic_vector( 451 , 10),
conv_std_logic_vector( 445 , 10),
conv_std_logic_vector( 438 , 10),
conv_std_logic_vector( 432 , 10),
conv_std_logic_vector( 425 , 10),
conv_std_logic_vector( 418 , 10),
conv_std_logic_vector( 410 , 10),
conv_std_logic_vector( 403 , 10),
conv_std_logic_vector( 395 , 10),
conv_std_logic_vector( 387 , 10),
conv_std_logic_vector( 379 , 10),
conv_std_logic_vector( 370 , 10),
conv_std_logic_vector( 361 , 10),
conv_std_logic_vector( 352 , 10),
conv_std_logic_vector( 343 , 10),
conv_std_logic_vector( 334 , 10),
conv_std_logic_vector( 324 , 10),
conv_std_logic_vector( 314 , 10),
conv_std_logic_vector( 304 , 10),
conv_std_logic_vector( 294 , 10),
conv_std_logic_vector( 284 , 10),
conv_std_logic_vector( 273 , 10),
conv_std_logic_vector( 263 , 10),
conv_std_logic_vector( 252 , 10),
conv_std_logic_vector( 241 , 10),
conv_std_logic_vector( 230 , 10),
conv_std_logic_vector( 218 , 10),
conv_std_logic_vector( 207 , 10),
conv_std_logic_vector( 196 , 10),
conv_std_logic_vector( 184 , 10),
conv_std_logic_vector( 172 , 10),
conv_std_logic_vector( 160 , 10),
conv_std_logic_vector( 148 , 10),
conv_std_logic_vector( 136 , 10),
conv_std_logic_vector( 124 , 10),
conv_std_logic_vector( 112 , 10),
conv_std_logic_vector( 100 , 10),
conv_std_logic_vector( 87 , 10),
conv_std_logic_vector( 75 , 10),
conv_std_logic_vector( 63 , 10),
conv_std_logic_vector( 50 , 10),
conv_std_logic_vector( 38 , 10),
conv_std_logic_vector( 25 , 10),
conv_std_logic_vector( 13 , 10),
conv_std_logic_vector( 0 , 10),
conv_std_logic_vector( -13 , 10),
conv_std_logic_vector( -25 , 10),
conv_std_logic_vector( -38 , 10),
conv_std_logic_vector( -50 , 10),
conv_std_logic_vector( -63 , 10),
conv_std_logic_vector( -75 , 10),
conv_std_logic_vector( -87 , 10),
conv_std_logic_vector( -100 , 10),
conv_std_logic_vector( -112 , 10),
conv_std_logic_vector( -124 , 10),
conv_std_logic_vector( -136 , 10),
conv_std_logic_vector( -148 , 10),
conv_std_logic_vector( -160 , 10),
conv_std_logic_vector( -172 , 10),
conv_std_logic_vector( -184 , 10),
conv_std_logic_vector( -196 , 10),
conv_std_logic_vector( -207 , 10),
conv_std_logic_vector( -218 , 10),
conv_std_logic_vector( -230 , 10),
conv_std_logic_vector( -241 , 10),
conv_std_logic_vector( -252 , 10),
conv_std_logic_vector( -263 , 10),
conv_std_logic_vector( -273 , 10),
conv_std_logic_vector( -284 , 10),
conv_std_logic_vector( -294 , 10),
conv_std_logic_vector( -304 , 10),
conv_std_logic_vector( -314 , 10),
conv_std_logic_vector( -324 , 10),
conv_std_logic_vector( -334 , 10),
conv_std_logic_vector( -343 , 10),
conv_std_logic_vector( -352 , 10),
conv_std_logic_vector( -361 , 10),
conv_std_logic_vector( -370 , 10),
conv_std_logic_vector( -379 , 10),
conv_std_logic_vector( -387 , 10),
conv_std_logic_vector( -395 , 10),
conv_std_logic_vector( -403 , 10),
conv_std_logic_vector( -410 , 10),
conv_std_logic_vector( -418 , 10),
conv_std_logic_vector( -425 , 10),
conv_std_logic_vector( -432 , 10),
conv_std_logic_vector( -438 , 10),
conv_std_logic_vector( -445 , 10),
conv_std_logic_vector( -451 , 10),
conv_std_logic_vector( -456 , 10),
conv_std_logic_vector( -462 , 10),
conv_std_logic_vector( -467 , 10),
conv_std_logic_vector( -472 , 10),
conv_std_logic_vector( -477 , 10),
conv_std_logic_vector( -481 , 10),
conv_std_logic_vector( -485 , 10),
conv_std_logic_vector( -489 , 10),
conv_std_logic_vector( -492 , 10),
conv_std_logic_vector( -496 , 10),
conv_std_logic_vector( -499 , 10),
conv_std_logic_vector( -501 , 10),
conv_std_logic_vector( -503 , 10),
conv_std_logic_vector( -505 , 10),
conv_std_logic_vector( -507 , 10),
conv_std_logic_vector( -509 , 10),
conv_std_logic_vector( -510 , 10),
conv_std_logic_vector( -510 , 10),
conv_std_logic_vector( -511 , 10),
conv_std_logic_vector( -511 , 10),
conv_std_logic_vector( -511 , 10),
conv_std_logic_vector( -510 , 10),
conv_std_logic_vector( -510 , 10),
conv_std_logic_vector( -509 , 10),
conv_std_logic_vector( -507 , 10),
conv_std_logic_vector( -505 , 10),
conv_std_logic_vector( -503 , 10),
conv_std_logic_vector( -501 , 10),
conv_std_logic_vector( -499 , 10),
conv_std_logic_vector( -496 , 10),
conv_std_logic_vector( -492 , 10),
conv_std_logic_vector( -489 , 10),
conv_std_logic_vector( -485 , 10),
conv_std_logic_vector( -481 , 10),
conv_std_logic_vector( -477 , 10),
conv_std_logic_vector( -472 , 10),
conv_std_logic_vector( -467 , 10),
conv_std_logic_vector( -462 , 10),
conv_std_logic_vector( -456 , 10),
conv_std_logic_vector( -451 , 10),
conv_std_logic_vector( -445 , 10),
conv_std_logic_vector( -438 , 10),
conv_std_logic_vector( -432 , 10),
conv_std_logic_vector( -425 , 10),
conv_std_logic_vector( -418 , 10),
conv_std_logic_vector( -410 , 10),
conv_std_logic_vector( -403 , 10),
conv_std_logic_vector( -395 , 10),
conv_std_logic_vector( -387 , 10),
conv_std_logic_vector( -379 , 10),
conv_std_logic_vector( -370 , 10),
conv_std_logic_vector( -361 , 10),
conv_std_logic_vector( -352 , 10),
conv_std_logic_vector( -343 , 10),
conv_std_logic_vector( -334 , 10),
conv_std_logic_vector( -324 , 10),
conv_std_logic_vector( -314 , 10),
conv_std_logic_vector( -304 , 10),
conv_std_logic_vector( -294 , 10),
conv_std_logic_vector( -284 , 10),
conv_std_logic_vector( -273 , 10),
conv_std_logic_vector( -263 , 10),
conv_std_logic_vector( -252 , 10),
conv_std_logic_vector( -241 , 10),
conv_std_logic_vector( -230 , 10),
conv_std_logic_vector( -218 , 10),
conv_std_logic_vector( -207 , 10),
conv_std_logic_vector( -196 , 10),
conv_std_logic_vector( -184 , 10),
conv_std_logic_vector( -172 , 10),
conv_std_logic_vector( -160 , 10),
conv_std_logic_vector( -148 , 10),
conv_std_logic_vector( -136 , 10),
conv_std_logic_vector( -124 , 10),
conv_std_logic_vector( -112 , 10),
conv_std_logic_vector( -100 , 10),
conv_std_logic_vector( -87 , 10),
conv_std_logic_vector( -75 , 10),
conv_std_logic_vector( -63 , 10),
conv_std_logic_vector( -50 , 10),
conv_std_logic_vector( -38 , 10),
conv_std_logic_vector( -25 , 10),
conv_std_logic_vector( -13 , 10));
end NCO_ROM_package;NCOtable
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
use ieee.std_logic_arith.all;
library work;
use work.NCO_ROM_package.all;
entity NCOtable is
port(
nrst, clk : in std_logic;
address : in std_logic_vector(7 downto 0);
NCO_I, NCO_Q : out std_logic_vector(9 downto 0));
end entity;
architecture arch of NCOtable is
signal sdata, cdata : std_logic_vector(9 downto 0);
begin
process(nrst, clk)
begin
if nrst = '0' then
sdata <= (others => '0');
cdata <= (others => '0');
elsif clk = '1' and clk'event then
sdata <= SINROM_TABLE(Conv_Integer(unsigned(address)));
cdata <= COSROM_TABLE(Conv_Integer(unsigned(address)));
end if;
end process;
NCO_I <= cdata;
NCO_Q <= sdata;
end arch;
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