Subversion Repositories adv_debug_sys

-- This is a minimal BSDL file describing the particulars

-- This is a minimal BSDL file describing the particulars

-- of the OpenCores standard / native TAP.  It is designed

-- of the OpenCores standard / native TAP.  It is designed

-- only to be used by the adv_jtag_bridge program.  This

-- only to be used by the adv_jtag_bridge program.  This

-- file almost certainly lacks key entries and attributes

-- file almost certainly lacks key entries and attributes

-- required by other JTAG / BSDL systems.

-- required by other JTAG / BSDL systems.

--

--

-- by Nathan Yawn (nathan.yawn@opencores.org)

-- by Nathan Yawn (nathan.yawn@opencores.org)

-- Copyright: This file is released into the public domain.

-- Copyright: This file is released into the public domain.

--

--

entity OC_TAP is

entity OC_TAP is

attribute INSTRUCTION_LENGTH of OC_TAP : entity is 4;

attribute INSTRUCTION_LENGTH of OC_TAP : entity is 4;

attribute INSTRUCTION_OPCODE of OC_TAP : entity is

attribute INSTRUCTION_OPCODE of OC_TAP : entity is

        "EXTEST            (0000)," &

        "EXTEST            (0000)," &

        "SAMPLE_PRELOAD    (0001)," &

        "SAMPLE_PRELOAD    (0001)," &

        "IDCODE            (0010)," &

        "IDCODE            (0010)," &

        "MBIST             (1001)," &

        "MBIST             (1001)," &

        "DEBUG             (1000)," &

        "DEBUG             (1000)," &

        "BYPASS            (1111),";

        "BYPASS            (1111),";

attribute IDCODE_REGISTER of OC_TAP : entity is

attribute IDCODE_REGISTER of OC_TAP : entity is

        "0001" &        -- version

        "0001" &        -- version

        "0100100101010001" &    -- part number

        "0100100101010001" &    -- part number

        "00011100001" & -- manufacturer (flextronics)

        "00011100001" & -- manufacturer (flextronics)

        "1";            -- required by 1149.1

        "1";            -- required by 1149.1

end OC_TAP;

end OC_TAP;