altsyncram_stu.tdf

很多仪器都输出同步时钟

--altsyncram ADDRESS_REG_B="CLOCK0" CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEVICE_FAMILY="Cyclone" NUMWORDS_A=64 NUMWORDS_B=64 OPERATION_MODE="DUAL_PORT" OUTDATA_REG_B="CLOCK0" READ_DURING_WRITE_MODE_MIXED_PORTS="OLD_DATA" WIDTH_A=1 WIDTH_B=1 WIDTH_BYTEENA_A=1 WIDTHAD_A=6 WIDTHAD_B=6 address_a address_b clock0 clocken0 data_a q_b wren_a
--VERSION_BEGIN 5.0 cbx_altsyncram 2005:03:24:13:58:56:SJ cbx_cycloneii 2004:12:20:14:28:52:SJ cbx_lpm_add_sub 2005:04:12:13:30:42:SJ cbx_lpm_compare 2004:11:30:11:30:40:SJ cbx_lpm_decode 2004:12:13:14:19:12:SJ cbx_lpm_mux 2004:12:13:14:16:38:SJ cbx_mgl 2005:04:13:17:26:48:SJ cbx_stratix 2005:03:14:17:09:02:SJ cbx_stratixii 2004:12:22:13:27:12:SJ cbx_util_mgl 2005:04:04:13:50:06:SJ  VERSION_END


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--  and other software and tools, and its AMPP partner logic 
--  functions, and any output files any of the foregoing 
--  (including device programming or simulation files), and any 
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--  to the terms and conditions of the Altera Program License 
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--  without limitation, that your use is for the sole purpose of 
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--  applicable agreement for further details.


PARAMETERS
(
	PORT_A_ADDRESS_WIDTH = 1,
	PORT_A_BYTE_ENABLE_MASK_WIDTH = 1,
	PORT_A_DATA_WIDTH = 1,
	PORT_B_ADDRESS_WIDTH = 1,
	PORT_B_BYTE_ENABLE_MASK_WIDTH = 1,
	PORT_B_DATA_WIDTH = 1
);
FUNCTION cyclone_ram_block (clk0, clk1, clr0, clr1, ena0, ena1, portaaddr[PORT_A_ADDRESS_WIDTH-1..0], portabyteenamasks[PORT_A_BYTE_ENABLE_MASK_WIDTH-1..0], portadatain[PORT_A_DATA_WIDTH-1..0], portawe, portbaddr[PORT_B_ADDRESS_WIDTH-1..0], portbbyteenamasks[PORT_B_BYTE_ENABLE_MASK_WIDTH-1..0], portbdatain[PORT_B_DATA_WIDTH-1..0], portbrewe)
WITH ( 	CONNECTIVITY_CHECKING,	DATA_INTERLEAVE_OFFSET_IN_BITS,	DATA_INTERLEAVE_WIDTH_IN_BITS,	INIT_FILE,	INIT_FILE_LAYOUT,	LOGICAL_RAM_NAME,	mem_init0,	mem_init1,	MIXED_PORT_FEED_THROUGH_MODE,	OPERATION_MODE,	PORT_A_ADDRESS_CLEAR,	PORT_A_ADDRESS_WIDTH,	PORT_A_BYTE_ENABLE_CLEAR,	PORT_A_BYTE_ENABLE_MASK_WIDTH,	PORT_A_DATA_IN_CLEAR,	PORT_A_DATA_OUT_CLEAR,	PORT_A_DATA_OUT_CLOCK,	PORT_A_DATA_WIDTH,	PORT_A_FIRST_ADDRESS,	PORT_A_FIRST_BIT_NUMBER,	PORT_A_LAST_ADDRESS,	PORT_A_LOGICAL_RAM_DEPTH,	PORT_A_LOGICAL_RAM_WIDTH,	PORT_A_WRITE_ENABLE_CLEAR,	PORT_B_ADDRESS_CLEAR,	PORT_B_ADDRESS_CLOCK,	PORT_B_ADDRESS_WIDTH,	PORT_B_BYTE_ENABLE_CLEAR,	PORT_B_BYTE_ENABLE_CLOCK,	PORT_B_BYTE_ENABLE_MASK_WIDTH,	PORT_B_DATA_IN_CLEAR,	PORT_B_DATA_IN_CLOCK,	PORT_B_DATA_OUT_CLEAR,	PORT_B_DATA_OUT_CLOCK,	PORT_B_DATA_WIDTH,	PORT_B_FIRST_ADDRESS,	PORT_B_FIRST_BIT_NUMBER,	PORT_B_LAST_ADDRESS,	PORT_B_LOGICAL_RAM_DEPTH,	PORT_B_LOGICAL_RAM_WIDTH,	PORT_B_READ_ENABLE_WRITE_ENABLE_CLEAR,	PORT_B_READ_ENABLE_WRITE_ENABLE_CLOCK,	POWER_UP_UNINITIALIZED,	RAM_BLOCK_TYPE) 
RETURNS ( portadataout[PORT_A_DATA_WIDTH-1..0], portbdataout[PORT_B_DATA_WIDTH-1..0]);

--synthesis_resources = M4K 1 
SUBDESIGN altsyncram_stu
( 
	address_a[5..0]	:	input;
	address_b[5..0]	:	input;
	clock0	:	input;
	clocken0	:	input;
	data_a[0..0]	:	input;
	q_b[0..0]	:	output;
	wren_a	:	input;
) 
VARIABLE 
	ram_block3a0 : cyclone_ram_block
		WITH (
			CONNECTIVITY_CHECKING = "OFF",
			LOGICAL_RAM_NAME = "ALTSYNCRAM",
			MIXED_PORT_FEED_THROUGH_MODE = "old",
			OPERATION_MODE = "dual_port",
			PORT_A_ADDRESS_WIDTH = 6,
			PORT_A_DATA_WIDTH = 1,
			PORT_A_FIRST_ADDRESS = 0,
			PORT_A_FIRST_BIT_NUMBER = 0,
			PORT_A_LAST_ADDRESS = 63,
			PORT_A_LOGICAL_RAM_DEPTH = 64,
			PORT_A_LOGICAL_RAM_WIDTH = 1,
			PORT_B_ADDRESS_CLEAR = "none",
			PORT_B_ADDRESS_CLOCK = "clock0",
			PORT_B_ADDRESS_WIDTH = 6,
			PORT_B_DATA_OUT_CLEAR = "none",
			PORT_B_DATA_OUT_CLOCK = "clock0",
			PORT_B_DATA_WIDTH = 1,
			PORT_B_FIRST_ADDRESS = 0,
			PORT_B_FIRST_BIT_NUMBER = 0,
			PORT_B_LAST_ADDRESS = 63,
			PORT_B_LOGICAL_RAM_DEPTH = 64,
			PORT_B_LOGICAL_RAM_WIDTH = 1,
			PORT_B_READ_ENABLE_WRITE_ENABLE_CLOCK = "clock0",
			RAM_BLOCK_TYPE = "auto"
		);
	address_a_wire[5..0]	: WIRE;
	address_b_wire[5..0]	: WIRE;

BEGIN 
	ram_block3a[0..0].clk0 = clock0;
	ram_block3a[0..0].ena0 = clocken0;
	ram_block3a[0].portaaddr[] = ( address_a_wire[5..0]);
	ram_block3a[0].portadatain[] = ( data_a[0..0]);
	ram_block3a[0..0].portawe = wren_a;
	ram_block3a[0].portbaddr[] = ( address_b_wire[5..0]);
	ram_block3a[0..0].portbrewe = B"1";
	address_a_wire[] = address_a[];
	address_b_wire[] = address_b[];
	q_b[] = ( ram_block3a[0..0].portbdataout[0..0]);
END;
--VALID FILE