altsyncram_tr51.tdf

实现dds功能

--altsyncram ADDRESS_ACLR_A="NONE" CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" CYCLONEII_M4K_COMPATIBILITY="ON" DEVICE_FAMILY="Cyclone" ENABLE_RUNTIME_MOD="YES" INIT_FILE="singnal.mif" INSTANCE_NAME="rom1" LOW_POWER_MODE="AUTO" NUMWORDS_A=256 OPERATION_MODE="ROM" OUTDATA_ACLR_A="NONE" OUTDATA_REG_A="UNREGISTERED" WIDTH_A=8 WIDTH_BYTEENA_A=1 WIDTHAD_A=8 address_a clock0 q_a CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48
--VERSION_BEGIN 7.2 cbx_altsyncram 2007:08:27:07:35:30:SJ cbx_cycloneii 2007:06:13:15:47:32:SJ cbx_lpm_add_sub 2007:08:06:16:01:34:SJ cbx_lpm_compare 2007:06:21:15:54:06:SJ cbx_lpm_decode 2007:03:12:19:01:52:SJ cbx_lpm_mux 2007:05:11:14:07:38:SJ cbx_mgl 2007:08:03:15:48:12:SJ cbx_stratix 2007:05:02:16:27:14:SJ cbx_stratixii 2007:06:28:17:26:26:SJ cbx_stratixiii 2007:06:28:17:15:56:SJ cbx_util_mgl 2007:06:01:06:37:30:SJ  VERSION_END


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--  without limitation, that your use is for the sole purpose of 
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FUNCTION altsyncram_aa72 (address_a[7..0], address_b[7..0], clock0, clock1, data_b[7..0], wren_b)
RETURNS ( q_a[7..0], q_b[7..0]);
FUNCTION sld_mod_ram_rom (data_read[7..0])
WITH ( CVALUE, IS_DATA_IN_RAM, IS_READABLE, NODE_NAME, NUMWORDS, SHIFT_COUNT_BITS, WIDTH_WORD, WIDTHAD)
RETURNS ( address[7..0], data_write[7..0], enable_write, tck_usr);

--synthesis_resources = M4K 1 sld_mod_ram_rom 1 
SUBDESIGN altsyncram_tr51
( 
	address_a[7..0]	:	input;
	clock0	:	input;
	q_a[7..0]	:	output;
) 
VARIABLE 
	altsyncram1 : altsyncram_aa72;
	mgl_prim2 : sld_mod_ram_rom
		WITH (
			CVALUE = "00000000",
			IS_DATA_IN_RAM = 1,
			IS_READABLE = 1,
			NODE_NAME = 1919905073,
			NUMWORDS = 256,
			SHIFT_COUNT_BITS = 4,
			WIDTH_WORD = 8,
			WIDTHAD = 8
		);

BEGIN 
	altsyncram1.address_a[] = address_a[];
	altsyncram1.address_b[] = mgl_prim2.address[];
	altsyncram1.clock0 = clock0;
	altsyncram1.clock1 = mgl_prim2.tck_usr;
	altsyncram1.data_b[] = mgl_prim2.data_write[];
	altsyncram1.wren_b = mgl_prim2.enable_write;
	mgl_prim2.data_read[] = altsyncram1.q_b[];
	q_a[] = altsyncram1.q_a[];
END;
--VALID FILE