data.vhd

nand flash NAND01GR3B (st)的仿真模型 （VHDL） 的

--   
--           _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
--         _/                   _/  ____________________________________________ 
--         _/                  _/  /                                           / 
--         _/_/               _/  /                                NAND01GR3B / 
--          _/_/_/           _/  /                                           /  
--             _/_/         _/  /                                     1Gbit / 
--              _/_/       _/  /        8 bit, 2112 Byte Page, 1.8 V, NAND / 
--                _/      _/  /                                           / 
--                _/     _/  /                     VHDL Behavioral Model / 
--                _/    _/  /                               Version 3.0 / 
--             _/_/    _/  /                                           /
--          _/_/_/    _/  /     Copyright (c) 2006 STMicroelectronics / 
--        _/_/_/     _/  /___________________________________________/ 
--  _/_/_/_/_/      _/    
--  
--



LIBRARY IEEE;
    Use IEEE.std_logic_1164.all;
    Use IEEE.std_logic_unsigned.all;
LIBRARY Work;
    use work.UserData.all;









package data is



----------------------------------------------
-- DEFINITION OF AVAILABLE DEVICES
---------------------------------------------
 
type Size is (s_512M, s_1G, s_2G, s_4G, s_8G);

type bus_type is (bus8, bus16);

type version is (F90_R, F90_W, F70_R, F70_W, F70_2R, F70_2W); 
-- F70_R, F70_W   : no PRL
-- F70_2R, F70_2W : with PRL


type Device is record
        Size_dev                : Size;
        bus_dev                 : bus_type;
        Vddmin_dev              : real;
        Vddmax_dev              : real;
        TimeIndex_dev           : version;
        DeviceCode_dev          : bit_vector(15 downto 0);
        AddressWidth_dev        : natural;
end record;
 
-- voltage supply 
Constant VddMin_W       : real    :=      2.7;
Constant VddMax_W       : real    :=      3.6;
Constant VddMin_R       : real    :=      1.7;
Constant VddMax_R       : real    :=      1.95;


Constant TimeIndex_R    : Natural :=  0;              
Constant TimeIndex_W    : Natural :=  1;


                                   

-----------------------------------
-- 01G devices   ------------------
-----------------------------------

Constant NAND01GR3B_dev : Device := (
                                    Size_dev            =>      s_1G,
                                    bus_dev             =>      bus8,
                                    
                                    Vddmin_dev          =>      VddMin_R,
                                    Vddmax_dev          =>      VddMax_R,
                                    TimeIndex_dev       =>      F90_R,
                                                
                                    DeviceCode_dev      =>      x"00A1", 
                                                
                                    AddressWidth_dev    =>      28     );


Constant NAND01GW3B_dev : Device := (
                                    Size_dev            =>      s_1G,
                                    bus_dev             =>      bus8,

                                    Vddmin_dev          =>      VddMin_W,
                                    Vddmax_dev          =>      VddMax_W,
                                    TimeIndex_dev       =>      F90_W,
                                                
                                    DeviceCode_dev      =>      x"00F1", 
                                                
                                    AddressWidth_dev    =>      28     );


Constant NAND01GR4B2A_dev : Device := (
                                    Size_dev            =>      s_1G,
                                    bus_dev             =>      bus16,
                                    
                                    Vddmin_dev          =>      VddMin_R,
                                    Vddmax_dev          =>      VddMax_R,
                                    TimeIndex_dev       =>      F90_R,
                                                
                                    DeviceCode_dev      =>      x"00B1", 
                                                
                                    AddressWidth_dev    =>      27     );




-----------------------------------
-- 04G devices   ------------------
-----------------------------------



Constant NAND04GW3B2B_dev : Device := (
                                    Size_dev            =>      s_4G,
                                    bus_dev             =>      bus8,

                                    Vddmin_dev          =>      VddMin_W,
                                    Vddmax_dev          =>      VddMax_W,
                                    TimeIndex_dev       =>      F70_2W,
                                                
                                    DeviceCode_dev      =>      x"00DC", 
                                                
                                    AddressWidth_dev    =>      30     );





type allDevices_type is array (DeviceName) of Device;

Constant allDevices : allDevices_type := ( NAND01GR3B_dev, NAND01GW3B_dev, NAND01GR4B2A_dev, 
                                           NAND04GW3B2B_dev );

Constant CD : Device := allDevices(CurrentDevice);






----------------------------------------------
-- COSTANTI E TIPI DI BASE
----------------------------------------------

  -- generic definition for all VHDL model
  Constant HIGH     : Integer := 1;
  Constant LOW      : Integer := 0;
  Constant UNLOCKED : Std_Logic := '0';
  Constant LOCKED   : Std_Logic := '1';
  Constant BUSY     : Std_Logic := '0';
  Constant READY    : Std_Logic := '1';
  subtype  NIBBLE_range is Integer range 3 downto 0;
  Subtype  BYTE_range is Integer range 7 downto 0;
  Subtype  WORD_range is Integer range 15 downto 0;
  Subtype  HIGH_range is Integer range 15 downto 8;
  Subtype  LOW_range  is Integer range 7 downto 0;
  Constant BYTENP   : Integer := 16#FF#;

  
  -- Bus Width and relating types
  type IOBusWidth_dev_type is array(bus_type) of natural;
  constant IOBusWidth_dev : IOBusWidth_dev_type := (8, 16) ;
  Constant IOBusWidth : Natural := IOBusWidth_dev(CD.bus_dev);
  Subtype  IObus_range      is Integer range IObusWidth - 1  downto 0;
  Subtype  IObus_range_ext  is Integer range 15  downto 0;
  Subtype  IObus_type       is  Std_Logic_vector(IObus_range);
  Subtype  IObus_type_ext   is  Std_Logic_vector(IObus_range_ext);
  
  
  -- address dim and ranges
  Constant Address_Dim      : natural := CD.AddressWidth_dev; -- address dimension 
  Subtype  Address_range    is Natural range Address_Dim - 1  downto 0;
  Subtype  Address_type     is  Std_Logic_Vector(Address_range);

  -- massima lunghezza dell'address al variare del taglio del dispositivo 
  constant AddressWidthMax_max    : natural   := 31;
  Subtype  TotAddress_type  is std_logic_vector(AddressWidthMax_max - 1 downto 0);
  
  -- status register
  subtype  DataReg_type  is bit_vector(BYTE_range); 

  -- declarations for memory storage
  Constant DataMem_dim  : natural := IOBusWidth;
  Constant AddrMem_dim  : natural := CD.AddressWidth_dev;  
  subtype  DataMem_range is Natural range DataMem_dim - 1 downto 0;
  Constant Memory_Dim   : natural := 2**CD.AddressWidth_dev;     -- memory dimension
  Constant Last_Addr    : natural := Memory_Dim -1;
  Subtype  DataMem_type is bit_vector(DataMem_range);
  Subtype  AddrMem_type is Natural range 0 to Memory_Dim - 1;


  -- sub-address bounds definition
  type address_indexBound_type is array(bus_type) of natural;
  Constant ColumnAddressSup_dev : address_indexBound_type := (11, 10);
  Constant PageAddressInf_dev   : address_indexBound_type := (12, 11);
  Constant PageAddressSup_dev   : address_indexBound_type := (17, 16);
  Constant BlockAddressInf_dev  : address_indexBound_type := (18, 17);
  Constant ColumnAddressSup : natural := ColumnAddressSup_dev(CD.bus_dev);
  Constant PageAddressInf   : natural := PageAddressInf_dev(CD.bus_dev);
  Constant PageAddressSup   : natural := PageAddressSup_dev(CD.bus_dev);  
  Constant BlockAddressInf  : natural := BlockAddressInf_dev(CD.bus_dev);
  Constant BlockAddressSup  : natural := CD.AddressWidth_dev - 1;
  

  -- sub-Address ranges
  Subtype ColumnAddress_range  is Integer range ColumnAddressSup downto  0;
  Subtype PageAddress_range    is Integer range PageAddressSup downto PageAddressInf;
  Subtype BlockAddress_range   is Integer range BlockAddressSup  downto BlockAddressInf;
  Subtype BlockAddress_normRange   is Integer range BlockAddressSup-BlockAddressInf  downto 0;