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📄 idt723642.vhd

📁 VHDL的ram和fifo model code 包含众多的厂家
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    A29      : INOUT std_logic; --    A30      : INOUT std_logic; --    A31      : INOUT std_logic; --    A32      : INOUT std_logic; --    A33      : INOUT std_logic; --    A34      : INOUT std_logic; --    A35      : INOUT std_logic; --------------------------------------    AEANeg   : OUT   std_logic := 'U'; -- Almost-Empty Flag for Port-A    AEBNeg   : OUT   std_logic := 'U'; -- Almost-Empty Flag for Port-B    AFANeg   : OUT   std_logic := 'U'; -- Almost-Full Flag for Port-A    AFBNeg   : OUT   std_logic := 'U'; -- Almost-Full Flag for Port-C    B0       : INOUT std_logic; --------------------------------------    B1       : INOUT std_logic; --    B2       : INOUT std_logic; --    B3       : INOUT std_logic; --    B4       : INOUT std_logic; --    B5       : INOUT std_logic; --    B6       : INOUT std_logic; --    B7       : INOUT std_logic; --     B8       : INOUT std_logic; --    B9       : INOUT std_logic; --    B10      : INOUT std_logic; --    B11      : INOUT std_logic; --    B12      : INOUT std_logic; --    B13      : INOUT std_logic; --    B14      : INOUT std_logic; --    B15      : INOUT std_logic; --    B16      : INOUT std_logic; --    B17      : INOUT std_logic;        B18      : INOUT std_logic; -- 36 pin Port-B data bus    B19      : INOUT std_logic; --    B20      : INOUT std_logic; --    B21      : INOUT std_logic; --    B22      : INOUT std_logic; --    B23      : INOUT std_logic; --    B24      : INOUT std_logic; --    B25      : INOUT std_logic; --    B26      : INOUT std_logic; --    B27      : INOUT std_logic; --    B28      : INOUT std_logic; --    B29      : INOUT std_logic; --    B30      : INOUT std_logic; --    B31      : INOUT std_logic; --    B32      : INOUT std_logic; --    B33      : INOUT std_logic; --    B34      : INOUT std_logic; --    B35      : INOUT std_logic; -------    CLKA     : IN    std_logic := 'X'; -- Port-A clock    CLKB     : IN    std_logic := 'X'; -- Port-B clock     CSANeg   : IN    std_logic := 'X'; -- Port-A Chip Select    CSBNeg   : IN    std_logic := 'X'; -- Port-B Chip Select        ENA      : IN    std_logic := 'X'; -- Port-A Enable    ENB      : IN    std_logic := 'X'; -- Port-A Enable       FS0      : IN    std_logic := 'X'; -- Flag Offset Select    FS1      : IN    std_logic := 'X'; -- Flag Offset Select        IRA      : OUT   std_logic := 'U'; -- Input  A ready flag    IRB      : OUT   std_logic := 'U'; --Input  B ready flag    MBA      : IN    std_logic := 'X'; -- Port-A Mailbox Select    MBB      : IN    std_logic := 'X'; -- Port-B Mailbox Select        MBF1Neg  : OUT   std_logic := 'U'; -- Mail1 Register Flag    MBF2Neg  : OUT   std_logic := 'U'; -- Mail2 Register Flag    ORA     : OUT   std_logic := 'U'; -- Output A ready Flag    ORB     : OUT   std_logic := 'U'; -- Output B ready Flag   RST1Neg   : IN    std_logic := 'X'; --  FIFO1 Reset   RST2Neg   : IN    std_logic := 'X'; --  FIFO1 Reset    WRA  : IN    std_logic := 'X'; -- Port-A Write/Read Select    WRB   : IN    std_logic := 'X'  -- Port-B Write/Read Select          );  ATTRIBUTE vital_level0 OF IDT723642 : ENTITY IS True;END IDT723642;---------------------------------------------------------------------------------- ARCHITECTURE DECLARATION                                                   ----------------------------------------------------------------------------------ARCHITECTURE vhdl_behavioral OF IDT723642 IS  ATTRIBUTE vital_level0 OF vhdl_behavioral : ARCHITECTURE IS True;     CONSTANT partID : String := "IDT723642";    -- delayed inputs and bidirectional ports    -- (func. sec. must use these signals instead of actual inputs/inoutputs)  SIGNAL A0_ipd       : std_ulogic := 'X';  SIGNAL A1_ipd       : std_ulogic := 'X';  SIGNAL A2_ipd       : std_ulogic := 'X';  SIGNAL A3_ipd       : std_ulogic := 'X';  SIGNAL A4_ipd       : std_ulogic := 'X';  SIGNAL A5_ipd       : std_ulogic := 'X';  SIGNAL A6_ipd       : std_ulogic := 'X';  SIGNAL A7_ipd       : std_ulogic := 'X';  SIGNAL A8_ipd       : std_ulogic := 'X';  SIGNAL A9_ipd       : std_ulogic := 'X';  SIGNAL A10_ipd      : std_ulogic := 'X';  SIGNAL A11_ipd      : std_ulogic := 'X';  SIGNAL A12_ipd      : std_ulogic := 'X';  SIGNAL A13_ipd      : std_ulogic := 'X';  SIGNAL A14_ipd      : std_ulogic := 'X';  SIGNAL A15_ipd      : std_ulogic := 'X';  SIGNAL A16_ipd      : std_ulogic := 'X';  SIGNAL A17_ipd      : std_ulogic := 'X';  SIGNAL A18_ipd      : std_ulogic := 'X';  SIGNAL A19_ipd      : std_ulogic := 'X';  SIGNAL A20_ipd      : std_ulogic := 'X';  SIGNAL A21_ipd      : std_ulogic := 'X';  SIGNAL A22_ipd      : std_ulogic := 'X';  SIGNAL A23_ipd      : std_ulogic := 'X';  SIGNAL A24_ipd      : std_ulogic := 'X';  SIGNAL A25_ipd      : std_ulogic := 'X';  SIGNAL A26_ipd      : std_ulogic := 'X';  SIGNAL A27_ipd      : std_ulogic := 'X';  SIGNAL A28_ipd      : std_ulogic := 'X';  SIGNAL A29_ipd      : std_ulogic := 'X';  SIGNAL A30_ipd      : std_ulogic := 'X';  SIGNAL A31_ipd      : std_ulogic := 'X';  SIGNAL A32_ipd      : std_ulogic := 'X';  SIGNAL A33_ipd      : std_ulogic := 'X';  SIGNAL A34_ipd      : std_ulogic := 'X';  SIGNAL A35_ipd      : std_ulogic := 'X';    SIGNAL B0_ipd       : std_ulogic := 'X';  SIGNAL B1_ipd       : std_ulogic := 'X';  SIGNAL B2_ipd       : std_ulogic := 'X';  SIGNAL B3_ipd       : std_ulogic := 'X';  SIGNAL B4_ipd       : std_ulogic := 'X';  SIGNAL B5_ipd       : std_ulogic := 'X';  SIGNAL B6_ipd       : std_ulogic := 'X';  SIGNAL B7_ipd       : std_ulogic := 'X';  SIGNAL B8_ipd       : std_ulogic := 'X';  SIGNAL B9_ipd       : std_ulogic := 'X';  SIGNAL B10_ipd      : std_ulogic := 'X';  SIGNAL B11_ipd      : std_ulogic := 'X';  SIGNAL B12_ipd      : std_ulogic := 'X';  SIGNAL B13_ipd      : std_ulogic := 'X';  SIGNAL B14_ipd      : std_ulogic := 'X';  SIGNAL B15_ipd      : std_ulogic := 'X';  SIGNAL B16_ipd      : std_ulogic := 'X';  SIGNAL B17_ipd      : std_ulogic := 'X';   SIGNAL B18_ipd      : std_ulogic := 'X';  SIGNAL B19_ipd      : std_ulogic := 'X';  SIGNAL B20_ipd      : std_ulogic := 'X';  SIGNAL B21_ipd      : std_ulogic := 'X';  SIGNAL B22_ipd      : std_ulogic := 'X';  SIGNAL B23_ipd      : std_ulogic := 'X';  SIGNAL B24_ipd      : std_ulogic := 'X';  SIGNAL B25_ipd      : std_ulogic := 'X';  SIGNAL B26_ipd      : std_ulogic := 'X';  SIGNAL B27_ipd      : std_ulogic := 'X';   SIGNAL B28_ipd      : std_ulogic := 'X';  SIGNAL B29_ipd      : std_ulogic := 'X';  SIGNAL B30_ipd      : std_ulogic := 'X';  SIGNAL B31_ipd      : std_ulogic := 'X';  SIGNAL B32_ipd      : std_ulogic := 'X';  SIGNAL B33_ipd      : std_ulogic := 'X';  SIGNAL B34_ipd      : std_ulogic := 'X';  SIGNAL B35_ipd      : std_ulogic := 'X';    -----------------------------  SIGNAL  CLKA_ipd    : std_ulogic := 'X';  SIGNAL  CLKB_ipd    : std_ulogic := 'X';  SIGNAL  CSANeg_ipd  : std_ulogic := 'X';   SIGNAL  CSBNeg_ipd  : std_ulogic := 'X';       SIGNAL  ENA_ipd    : std_ulogic := 'X';    SIGNAL  ENB_ipd    : std_ulogic := 'X';       SIGNAL  FS0_ipd     : std_ulogic := 'X';     SIGNAL  FS1_ipd      : std_ulogic := 'X';         SIGNAL  MBA_ipd      : std_ulogic := 'X';     SIGNAL  MBB_ipd      : std_ulogic := 'X';         SIGNAL  RST1Neg_ipd   : std_ulogic := 'X';  SIGNAL  RST2Neg_ipd   : std_ulogic := 'X';  SIGNAL  WRA_ipd  : std_ulogic := 'X'; SIGNAL  WRB_ipd   : std_ulogic := 'X';  SIGNAL OpenIn, OpenOut : std_logic; -- Additional signals        BEGIN---------------------------------------------------------------------------------- Skew Delays ---------------------------------------------------------------------------------- Artificient VITAL primitives wich allows pass complex non-constaint -- SKEW time into the model            SKEW1: VitalBuf (OpenOut, OpenIn, (tdevice_SKEW1, tdevice_SKEW1));SKEW2: VitalBuf (OpenOut, OpenIn, (tdevice_SKEW2, tdevice_SKEW2));---------------------------------------------------------------------------------- Wire Delays                                                                ----------------------------------------------------------------------------------WireDelay : BLOCKBEGIN    w_1:  VitalWireDelay (A0_ipd,       A0,       tipd_A0      );    w_2:  VitalWireDelay (A1_ipd,       A1,       tipd_A1      );    w_3:  VitalWireDelay (A2_ipd,       A2,       tipd_A2      );    w_4:  VitalWireDelay (A3_ipd,       A3,       tipd_A3      );    w_5:  VitalWireDelay (A4_ipd,       A4,       tipd_A4      );    w_6:  VitalWireDelay (A5_ipd,       A5,       tipd_A5      );    w_7:  VitalWireDelay (A6_ipd,       A6,       tipd_A6      );    w_8:  VitalWireDelay (A7_ipd,       A7,       tipd_A7      );    w_9:  VitalWireDelay (A8_ipd,       A8,       tipd_A8      );    w_10: VitalWireDelay (A9_ipd,       A9,       tipd_A9      );    w_11: VitalWireDelay (A10_ipd,      A10,      tipd_A10     );    w_12: VitalWireDelay (A11_ipd,      A11,      tipd_A11     );    w_13: VitalWireDelay (A12_ipd,      A12,      tipd_A12     );    w_14: VitalWireDelay (A13_ipd,      A13,      tipd_A13     );    w_15: VitalWireDelay (A14_ipd,      A14,      tipd_A14     );    w_16: VitalWireDelay (A15_ipd,      A15,      tipd_A15     );    w_17: VitalWireDelay (A16_ipd,      A16,      tipd_A16     );    w_18: VitalWireDelay (A17_ipd,      A17,      tipd_A17     );    w_19: VitalWireDelay (A18_ipd,      A18,      tipd_A18     );    w_20: VitalWireDelay (A19_ipd,      A19,      tipd_A19     );    w_21: VitalWireDelay (A20_ipd,      A20,      tipd_A20     );    w_22: VitalWireDelay (A21_ipd,      A21,      tipd_A21     );    w_23: VitalWireDelay (A22_ipd,      A22,      tipd_A22     );    w_24: VitalWireDelay (A23_ipd,      A23,      tipd_A23     );    w_25: VitalWireDelay (A24_ipd,      A24,      tipd_A24     );    w_26: VitalWireDelay (A25_ipd,      A25,      tipd_A25     );    w_27: VitalWireDelay (A26_ipd,      A26,      tipd_A26     );    w_28: VitalWireDelay (A27_ipd,      A27,      tipd_A27     );    w_29: VitalWireDelay (A28_ipd,      A28,      tipd_A28     );    w_30: VitalWireDelay (A29_ipd,      A29,      tipd_A29     );    w_31: VitalWireDelay (A30_ipd,      A30,      tipd_A30     );    w_32: VitalWireDelay (A31_ipd,      A31,      tipd_A31     );    w_33: VitalWireDelay (A32_ipd,      A32,      tipd_A32     );    w_34: VitalWireDelay (A33_ipd,      A33,      tipd_A33     );    w_35: VitalWireDelay (A34_ipd,      A34,      tipd_A34     );    w_36: VitalWireDelay (A35_ipd,      A35,      tipd_A35     );    w_37: VitalWireDelay (B0_ipd,       B0,       tipd_B0      );    w_38: VitalWireDelay (B1_ipd,       B1,       tipd_B1      );    w_39: VitalWireDelay (B2_ipd,       B2,       tipd_B2      );    w_40: VitalWireDelay (B3_ipd,       B3,       tipd_B3      );    w_41: VitalWireDelay (B4_ipd,       B4,       tipd_B4      );    w_42: VitalWireDelay (B5_ipd,       B5,       tipd_B5      );    w_43: VitalWireDelay (B6_ipd,       B6,       tipd_B6      );    w_44: VitalWireDelay (B7_ipd,       B7,       tipd_B7      );    w_45: VitalWireDelay (B8_ipd,       B8,       tipd_B8      );    w_46: VitalWireDelay (B9_ipd,       B9,       tipd_B9      );    w_47: VitalWireDelay (B10_ipd,      B10,      tipd_B10     );    w_48: VitalWireDelay (B11_ipd,      B11,      tipd_B11     );    w_49: VitalWireDelay (B12_ipd,      B12,      tipd_B12     );    w_50: VitalWireDelay (B13_ipd,      B13,      tipd_B13     );    w_51: VitalWireDelay (B14_ipd,      B14,      tipd_B14     );    w_52: VitalWireDelay (B15_ipd,      B15,      tipd_B15     );    w_53: VitalWireDelay (B16_ipd,      B16,      tipd_B16     );    w_54: VitalWireDelay (B17_ipd,      B17,      tipd_B17     );    w_55: VitalWireDelay (B18_ipd,      B18,      tipd_B18     );    w_56: VitalWireDelay (B19_ipd,      B19,      tipd_B19     );    w_57: VitalWireDelay (B20_ipd,      B20,      tipd_B20     );    w_58: VitalWireDelay (B21_ipd,      B21,      tipd_B21     );    w_59: VitalWireDelay (B22_ipd,      B22,      tipd_B22     );    w_60: VitalWireDelay (B23_ipd,      B23,      tipd_B23     );    w_61: VitalWireDelay (B24_ipd,      B24,      tipd_B24     );    w_62: VitalWireDelay (B25_ipd,      B25,      tipd_B25     );    w_63: VitalWireDelay (B26_ipd,      B26,      tipd_B26     );    w_64: VitalWireDelay (B27_ipd,      B27,      tipd_B27     );    w_65: VitalWireDelay (B28_ipd,      B28,      tipd_B28     );    w_66: VitalWireDelay (B29_ipd,      B29,      tipd_B29     );    w_67: VitalWireDelay (B30_ipd,      B30,      tipd_B30     );    w_68: VitalWireDelay (B31_ipd,      B31,      tipd_B31     );    w_69: VitalWireDelay (B32_ipd,      B32,      tipd_B32     );    w_70: VitalWireDelay (B33_ipd,      B33,      tipd_B33     );    w_71: VitalWireDelay (B34_ipd,      B34,      tipd_B34     );    w_72: VitalWireDelay (B35_ipd,      B35,      tipd_A35     );         w_73: VitalWireDelay (CLKA_ipd,     CLKA ,     tipd_CLKA    );     w_74: VitalWireDelay (CLKB_ipd,     CLKB ,     tipd_CLKB    );     w_75: VitalWireDelay (CSANeg_ipd,   CSANeg,        tipd_CSANeg  );     w_76: VitalWireDelay (CSBNeg_ipd,  CSBNeg ,        tipd_CSBNeg  );     w_77: VitalWireDelay (ENA_ipd,        ENA,           tipd_ENA    );     w_78: VitalWireDelay ( ENB_ipd,      ENB,            tipd_ENB    );     w_79: VitalWireDelay (FS0_ipd,        FS0,           tipd_FS0    );     w_80: VitalWireDelay (FS1_ipd,       FS1,           tipd_FS1    );     w_83: VitalWireDelay (MBA_ipd,       MBA,            tipd_MBA    );     w_84: VitalWireDelay (MBB_ipd,       MBB,            tipd_MBB    );      w_89: VitalWireDelay (RST1Neg_ipd,      RST1Neg,     tipd_RST1Neg  );     w_90: VitalWireDelay (RST2Neg_ipd,      RST2Neg,     tipd_RST2Neg  );     w_91: VitalWireDelay (WRA_ipd,      WRA,     tipd_WRA    );     w_92: VitalWireDelay (WRB_ipd,      WRB,     tipd_WRB    );   END BLOCK;---------------------------------------------------------------------------------- Main Behavior Block                                                        ----------------------------------------------------------------------------------  VITALBehavior: BLOCK      PORT (    A_ipd    : IN std_logic_vector(35 downto 0) := (OTHERS => 'X');     A        : OUT std_logic_vector(35 downto 0) := (OTHERS => 'U');     AEANeg   : OUT   std_logic := 'U';     AEBNeg   : OUT   std_logic := 'U';     AFANeg   : OUT   std_logic := 'U';    AFBNeg   : OUT   std_logic := 'U';    B_ipd    : IN std_logic_vector(35 downto 0) := (OTHERS => 'X');       B        : OUT std_logic_vector(35 downto 0) := (OTHERS => 'U');       CLKA     : IN    std_logic := 'X';     CLKB     : IN    std_logic := 'X';     CSANeg   : IN    std_logic := 'X'; -- Port-A Chip Select    CSBNeg   : IN    std_logic := 'X'; -- Port-B Chip Select        ENA      : IN    std_logic := 'X'; -- Port-A Enable    ENB      : IN    std_logic := 'X'; -- Port-A Enable           FS0      : IN    std_logic := 'X'; -- Flag Offset Select    FS1      : IN    std_logic := 'X'; -- Flag Offset Select        IRA      : OUT   std_logic := 'U'; -- Input  A ready flag    IRB      : OUT   std_logic := 'U'; --Input  B ready flag    MBA      : IN    std_logic := 'X'; -- Port-A Mailbox Select    MBB      : IN    std_logic := 'X'; -- Port-B Mailbox Select        MBF1Neg  : OUT   std_logic := 'U'; -- Mail1 Register Flag    MBF2Neg  : OUT   std_logic := 'U'; -- Mail2 Register Flag    ORA      : OUT   std_logic := 'U'; -- Output A ready Flag    ORB      : OUT   std_logic := 'U'; -- Output B ready Flag    RST1Neg  : IN    std_logic := 'X'; --  FIFO1 Reset    RST2Neg  : IN    std_logic := 'X'; --  FIFO1 Reset    WRA      : IN    std_logic := 'X'; -- Port-A Write/Read Select

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