altsyncram_abn1.tdf

verilog代码读写SDRAM 不带仿真

--altsyncram ADDRESS_REG_B="CLOCK1" CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" CLOCK_ENABLE_INPUT_A="NORMAL" CLOCK_ENABLE_INPUT_B="NORMAL" CYCLONEII_M4K_COMPATIBILITY="ON" CYCLONEII_SAFE_WRITE="NO_CHANGE" DEVICE_FAMILY="Cyclone II" INIT_FILE="cpu_bht_ram.mif" LOW_POWER_MODE="AUTO" MAXIMUM_DEPTH=0 NUMWORDS_A=256 NUMWORDS_B=256 OPERATION_MODE="BIDIR_DUAL_PORT" RAM_BLOCK_TYPE="AUTO" WIDTH_A=2 WIDTH_B=2 WIDTH_BYTEENA_A=1 WIDTHAD_A=8 WIDTHAD_B=8 WRCONTROL_WRADDRESS_REG_B="CLOCK1" address_a address_b clock0 clock1 clocken0 clocken1 data_a data_b q_a wren_a wren_b CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48
--VERSION_BEGIN 7.2SP2 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 2007:10:18:20:36:46:SJ cbx_stratixii 2007:10:19:15:30:42:SJ cbx_stratixiii 2007:06:28:17:15:56:SJ cbx_util_mgl 2007:11:07:17:40:20:SJ  VERSION_END


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FUNCTION cycloneii_ram_block (clk0, clk1, clr0, clr1, ena0, ena1, portaaddr[PORT_A_ADDRESS_WIDTH-1..0], portaaddrstall, portabyteenamasks[PORT_A_BYTE_ENABLE_MASK_WIDTH-1..0], portadatain[PORT_A_DATA_WIDTH-1..0], portawe, portbaddr[PORT_B_ADDRESS_WIDTH-1..0], portbaddrstall, 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, DONT_POWER_OPTIMIZE, INIT_FILE, INIT_FILE_LAYOUT, init_file_restructured, LOGICAL_RAM_NAME, mem_init0, mem_init1, MIXED_PORT_FEED_THROUGH_MODE, OPERATION_MODE, PORT_A_ADDRESS_WIDTH = 1, PORT_A_BYTE_ENABLE_MASK_WIDTH = 1, PORT_A_BYTE_SIZE, PORT_A_DATA_OUT_CLEAR, PORT_A_DATA_OUT_CLOCK, PORT_A_DATA_WIDTH = 1, PORT_A_DISABLE_CE_ON_INPUT_REGISTERS, PORT_A_DISABLE_CE_ON_OUTPUT_REGISTERS, PORT_A_FIRST_ADDRESS, PORT_A_FIRST_BIT_NUMBER, PORT_A_LAST_ADDRESS, PORT_A_LOGICAL_RAM_DEPTH, PORT_A_LOGICAL_RAM_WIDTH, PORT_B_ADDRESS_CLOCK, PORT_B_ADDRESS_WIDTH = 1, PORT_B_BYTE_ENABLE_CLOCK, PORT_B_BYTE_ENABLE_MASK_WIDTH = 1, PORT_B_BYTE_SIZE, PORT_B_DATA_IN_CLOCK, PORT_B_DATA_OUT_CLEAR, PORT_B_DATA_OUT_CLOCK, PORT_B_DATA_WIDTH = 1, PORT_B_DISABLE_CE_ON_INPUT_REGISTERS, PORT_B_DISABLE_CE_ON_OUTPUT_REGISTERS, 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_CLOCK, POWER_UP_UNINITIALIZED, RAM_BLOCK_TYPE, SAFE_WRITE)
RETURNS ( portadataout[PORT_A_DATA_WIDTH-1..0], portbdataout[PORT_B_DATA_WIDTH-1..0]);

--synthesis_resources = M4K 1 
OPTIONS ALTERA_INTERNAL_OPTION = "OPTIMIZE_POWER_DURING_SYNTHESIS=NORMAL_COMPILATION";

SUBDESIGN altsyncram_abn1
( 
	address_a[7..0]	:	input;
	address_b[7..0]	:	input;
	clock0	:	input;
	clock1	:	input;
	clocken0	:	input;
	clocken1	:	input;
	data_a[1..0]	:	input;
	data_b[1..0]	:	input;
	q_a[1..0]	:	output;
	q_b[1..0]	:	output;
	wren_a	:	input;
	wren_b	:	input;
) 
VARIABLE 
	ram_block2a0 : cycloneii_ram_block
		WITH (
			CONNECTIVITY_CHECKING = "OFF",
			INIT_FILE = "cpu_bht_ram.mif",
			INIT_FILE_LAYOUT = "port_a",
			LOGICAL_RAM_NAME = "ALTSYNCRAM",
			MIXED_PORT_FEED_THROUGH_MODE = "dont_care",
			OPERATION_MODE = "bidir_dual_port",
			PORT_A_ADDRESS_WIDTH = 8,
			PORT_A_DATA_WIDTH = 1,
			PORT_A_DISABLE_CE_ON_INPUT_REGISTERS = "off",
			PORT_A_DISABLE_CE_ON_OUTPUT_REGISTERS = "on",
			PORT_A_FIRST_ADDRESS = 0,
			PORT_A_FIRST_BIT_NUMBER = 0,
			PORT_A_LAST_ADDRESS = 255,
			PORT_A_LOGICAL_RAM_DEPTH = 256,
			PORT_A_LOGICAL_RAM_WIDTH = 2,
			PORT_B_ADDRESS_CLOCK = "clock1",
			PORT_B_ADDRESS_WIDTH = 8,
			PORT_B_DATA_IN_CLOCK = "clock1",
			PORT_B_DATA_WIDTH = 1,
			PORT_B_DISABLE_CE_ON_INPUT_REGISTERS = "off",
			PORT_B_DISABLE_CE_ON_OUTPUT_REGISTERS = "on",
			PORT_B_FIRST_ADDRESS = 0,
			PORT_B_FIRST_BIT_NUMBER = 0,
			PORT_B_LAST_ADDRESS = 255,
			PORT_B_LOGICAL_RAM_DEPTH = 256,
			PORT_B_LOGICAL_RAM_WIDTH = 2,
			PORT_B_READ_ENABLE_WRITE_ENABLE_CLOCK = "clock1",
			RAM_BLOCK_TYPE = "AUTO"
		);
	ram_block2a1 : cycloneii_ram_block
		WITH (
			CONNECTIVITY_CHECKING = "OFF",
			INIT_FILE = "cpu_bht_ram.mif",
			INIT_FILE_LAYOUT = "port_a",
			LOGICAL_RAM_NAME = "ALTSYNCRAM",
			MIXED_PORT_FEED_THROUGH_MODE = "dont_care",
			OPERATION_MODE = "bidir_dual_port",
			PORT_A_ADDRESS_WIDTH = 8,
			PORT_A_DATA_WIDTH = 1,
			PORT_A_DISABLE_CE_ON_INPUT_REGISTERS = "off",
			PORT_A_DISABLE_CE_ON_OUTPUT_REGISTERS = "on",
			PORT_A_FIRST_ADDRESS = 0,
			PORT_A_FIRST_BIT_NUMBER = 1,
			PORT_A_LAST_ADDRESS = 255,
			PORT_A_LOGICAL_RAM_DEPTH = 256,
			PORT_A_LOGICAL_RAM_WIDTH = 2,
			PORT_B_ADDRESS_CLOCK = "clock1",
			PORT_B_ADDRESS_WIDTH = 8,
			PORT_B_DATA_IN_CLOCK = "clock1",
			PORT_B_DATA_WIDTH = 1,
			PORT_B_DISABLE_CE_ON_INPUT_REGISTERS = "off",
			PORT_B_DISABLE_CE_ON_OUTPUT_REGISTERS = "on",
			PORT_B_FIRST_ADDRESS = 0,
			PORT_B_FIRST_BIT_NUMBER = 1,
			PORT_B_LAST_ADDRESS = 255,
			PORT_B_LOGICAL_RAM_DEPTH = 256,
			PORT_B_LOGICAL_RAM_WIDTH = 2,
			PORT_B_READ_ENABLE_WRITE_ENABLE_CLOCK = "clock1",
			RAM_BLOCK_TYPE = "AUTO"
		);
	address_a_wire[7..0]	: WIRE;
	address_b_wire[7..0]	: WIRE;

BEGIN 
	ram_block2a[1..0].clk0 = clock0;
	ram_block2a[1..0].clk1 = clock1;
	ram_block2a[1..0].ena0 = clocken0;
	ram_block2a[1..0].ena1 = clocken1;
	ram_block2a[1..0].portaaddr[] = ( address_a_wire[7..0]);
	ram_block2a[0].portadatain[] = ( data_a[0..0]);
	ram_block2a[1].portadatain[] = ( data_a[1..1]);
	ram_block2a[1..0].portawe = wren_a;
	ram_block2a[1..0].portbaddr[] = ( address_b_wire[7..0]);
	ram_block2a[0].portbdatain[] = ( data_b[0..0]);
	ram_block2a[1].portbdatain[] = ( data_b[1..1]);
	ram_block2a[1..0].portbrewe = wren_b;
	address_a_wire[] = address_a[];
	address_b_wire[] = address_b[];
	q_a[] = ( ram_block2a[1..0].portadataout[0..0]);
	q_b[] = ( ram_block2a[1..0].portbdataout[0..0]);
END;
--VALID FILE