ECT 358

1
ECT 358

• Lecture 29
• MicroBlaze External I/O

2
The train of failure usually runs on the track of
laziness.

• By much slothfulness the building decayeth and
  through idleness of the hands the house droppeth
  through.
• Ecclesiastes 1018

3
MicroBlaze External I/O

• Additional Inputs/Outputs
• Custom Board Generation
• Edit Peripherals
• Core/Peripheral Combinations
• Multi-Core Designs

4
MicroBlaze XBD files

• Board manufacturer
• Chip
• Clock Speed
• Inputs
• Outputs
• Pin Numbers
• Pin Names

5
Our.XBD File

• ATTRIBUTE VENDOR Avnet
• ATTRIBUTE SPEC_URL www.em.avnet.com
• ATTRIBUTE CONTACT_INFO_URL http//www.em.avnet.
  com/xilinxbsbfiles
• ATTRIBUTE NAME Mini-Spartan-II Evaluation
  Board
• ATTRIBUTE REVISION A
• ATTRIBUTE DESC Avnet Mini-Spartan-II
  Evaluation Board Rev A
• ATTRIBUTE LONG_DESC 'This board utilizes
  XILINX FPGA XC2S150-5PQ208. The board includes
  one RS232, two push buttons, one digital
  thermometer, eight DIP-switches and eight LEDs.
  Push button SW1 is used as reset.'

6
Our.XBD File

• BEGIN IO_INTERFACE
• ATTRIBUTE IOTYPE XIL_CLOCK_V1
• ATTRIBUTE INSTANCE clk_40
• PARAMETER CLK_FREQ 40000000, IO_ISclk_freq,
  RANGE(40000000) 40 Mhz
• PORT GCLK CONN_GCLK , IO_ISext_clk
• END

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Our.XBD File

• BEGIN IO_INTERFACE
• ATTRIBUTE IOTYPE XIL_RESET_V1
• ATTRIBUTE INSTANCE rst_0
• PARAMETER RST_POLARITY 1, IO_ISpolarity,
  VALUE_NOTEActive HIGH
• PORT SW1 CONN_SW1, IO_ISext_rst use
  SW1 as reset button
• END

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Our.XBD File

• BEGIN IO_INTERFACE
• ATTRIBUTE IOTYPE XIL_CPUDEBUG_V1
• ATTRIBUTE INSTANCE cpudbg_0
• PORT CPU.TDO CONN_CPU.TDO, IO_IScpu_tdo
  PORT CPU.TDI CONN_CPU.TDI, IO_IScpu_tdi
  PORT CPU.TCK CONN_CPU.TCK, IO_IScpu_tck
  PORT CPU.TMS CONN_CPU.TMS, IO_IScpu_tms
  PIN CPU.HALT CONN_CPU.HALT, IO_IScpu_halt
  PORT CPU.TRST CONN_CPU.TRST, IO_IScpu_trst
• END

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Our.XBD File

• BEGIN IO_INTERFACE
• ATTRIBUTE IOTYPE XIL_UART_V1
• ATTRIBUTE INSTANCERS232
• PORT RXD CONN_RXD, IO_ISserial_in
• PORT TXD CONN_TXD, IO_ISserial_out
• PORT DEACTIVATE CONN_DEACTIVATE,
  IO_ISrs232_deactivate, INITIALVAL VCC this
  is for serial tranceiver, not UART controller
• PORT ENABLE CONN_ENABLE, IO_ISrs232_enable,
  INITIALVAL GND this is for serial
  tranceiver, not UART controllerEND
• END

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Our.XBD File

• BEGIN IO_INTERFACE
• ATTRIBUTE IOTYPE XIL_UART_V1
• ATTRIBUTE INSTANCERS232
• PORT RXD CONN_RXD, IO_ISserial_in
• PORT TXD CONN_TXD, IO_ISserial_out
• PORT DEACTIVATE CONN_DEACTIVATE,
  IO_ISrs232_deactivate, INITIALVAL VCC this
  is for serial tranceiver, not UART controller
• PORT ENABLE CONN_ENABLE, IO_ISrs232_enable,
  INITIALVAL GND this is for serial
  tranceiver, not UART controllerEND
• END

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Our.XBD File

• BEGIN IO_INTERFACE
• ATTRIBUTE IOTYPE XIL_GPIO_V1
• ATTRIBUTE INSTANCE LEDs_8Bit
• PARAMETER num_bits 8, IO_ISnum_bits
  PARAMETER is_dual0, IO_ISis_dual
• PARAMETER bidir_data0, IO_ISis_bidir
  Non-bidir data pins
• PARAMETER all_inputs 0, IO_ISall_inputs
  All outputs
• PORT D2 CONN_D2, IO_IS gpio_data_out0
  PORT D3 CONN_D3, IO_IS gpio_data_out1
  PORT D4 CONN_D4, IO_IS gpio_data_out2
  PORT D5 CONN_D5, IO_IS gpio_data_out3
  PORT D6 CONN_D6, IO_IS gpio_data_out4
  PORT D7 CONN_D7, IO_IS gpio_data_out5
  PORT D8 CONN_D8, IO_IS gpio_data_out6
  PORT D9 CONN_D9, IO_IS gpio_data_out7
• END

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Our.XBD File

• BEGIN IO_INTERFACE
• ATTRIBUTE IOTYPE XIL_GPIO_V1
• ATTRIBUTE INSTANCE Push_Buttons_1Bit
  PARAMETER num_bits 1, IO_ISnum_bits PARAMETER
  is_dual0, IO_ISis_dual
• PARAMETER bidir_data0, IO_ISis_bidir
  Non-bidir data pins
• PARAMETER all_inputs 1, IO_ISall_inputs
  All inputs
• PORT SW2 CONN_SW2, IO_IS gpio_data_in0
• END

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Our.XBD File

• BEGIN IO_INTERFACE
• ATTRIBUTE IOTYPE XIL_GPIO_V1
• ATTRIBUTE INSTANCE DIP_Switches_8Bit
  PARAMETER num_bits 8, IO_ISnum_bits PARAMETER
  is_dual0, IO_ISis_dual
• PARAMETER bidir_data0, IO_ISis_bidir
  Non-bidir data pins
• PARAMETER all_inputs1, IO_ISall_inputs All
  inputs
• PORT DIP1 CONN_DIP1, IO_IS gpio_data_in0
  PORT DIP2 CONN_DIP2, IO_IS gpio_data_in1
  PORT DIP3 CONN_DIP3, IO_IS gpio_data_in2
  PORT DIP4 CONN_DIP4, IO_IS gpio_data_in3
  PORT DIP5 CONN_DIP5, IO_IS gpio_data_in4
  PORT DIP6 CONN_DIP6, IO_IS gpio_data_in5
  PORT DIP7 CONN_DIP7, IO_IS gpio_data_in6
  PORT DIP8 CONN_DIP8, IO_IS gpio_data_in7
• END

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Our.XBD File

• BEGIN IO_INTERFACE
• ATTRIBUTE IOTYPE XIL_GPIO_V1
• ATTRIBUTE INSTANCE Digital_Thermometer_8Bit
• PARAMETER num_bits 8, IO_ISnum_bits
• PARAMETER is_dual0, IO_ISis_dual
• PARAMETER bidir_data0, IO_ISis_bidir
• PARAMETER all_inputs0, IO_ISall_inputs
• PORT TDATA0 CONN_TDATA0, IO_IS gpio_io0
• PORT TDATA1 CONN_TDATA1, IO_IS gpio_io1
• PORT TDATA2 CONN_TDATA2, IO_IS gpio_io2
• PORT TDATA3 CONN_TDATA3, IO_IS gpio_io3
• PORT TDATA4 CONN_TDATA4, IO_IS gpio_io4
• PORT TDATA5 CONN_TDATA5, IO_IS gpio_io5
• PORT TDATA6 CONN_TDATA6, IO_IS gpio_io6
• PORT TDATA7 CONN_TDATA7, IO_IS gpio_io7
• END

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Our.XBD File

• BEGIN IO_INTERFACE
• ATTRIBUTE IOTYPE XIL_GPIO_V1
• ATTRIBUTE INSTANCE Thermo_In
• PARAMETER num_bits 1, IO_ISnum_bits
• PARAMETER is_dual0, IO_ISis_dual
• PARAMETER bidir_data0, IO_ISis_bidir
• PARAMETER all_inputs 1, IO_ISall_inputs
• PORT SDO CONN_SDO, IO_IS gpio_data_in0
• END

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Our.XBD File

• BEGIN FPGA
• ATTRIBUTE INSTANCE fpga_0
• ATTRIBUTE FAMILY spartan2
• ATTRIBUTE DEVICE XC2S150
• ATTRIBUTE PACKAGE PQ208
• ATTRIBUTE SPEED_GRADE -5
• ATTRIBUTE JTAG_POSITION 2
• CLOCK
• PORT CLK_0 CONN_GCLK, UCF_NET_STRING("LOCP80"
  )
• RESET
• PORT RESET CONN_SW1, UCF_NET_STRING("LOCP110"
  )
• CPU DEBUG
• PORT TDO CONN_CPU.TDO, UCF_NET_STRING("LOCP9
  9")
• PORT TDI CONN_CPU.TDI, UCF_NET_STRING("LOCP1
  01")
• PORT TCK CONN_CPU.TCK, UCF_NET_STRING("LOCP9
  8")
• PORT TMS CONN_CPU.TMS, UCF_NET_STRING("LOCP1
  00")
• PORT TRST CONN_CPU.TRST, UCF_NET_STRING("LOC
  P102")

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Our.XBD File

• UART
• PORT RXD CONN_RXD, UCF_NET_STRING("LOCP152")
  PORT TXD CONN_TXD, UCF_NET_STRING("LOCP151"
  ) PORT DEACTIVATE CONN_DEACTIVATE,
  UCF_NET_STRING("LOCP149")
• PORT ENABLE CONN_ENABLE, UCF_NET_STRING("LOCP
  150")
• LED
• PORT LED0 CONN_D2, UCF_NET_STRING("LOCP141")
  PORT LED1 CONN_D3, UCF_NET_STRING("LOCP140")
  PORT LED2 CONN_D4, UCF_NET_STRING("LOCP139"
  ) PORT LED3 CONN_D5, UCF_NET_STRING("LOCP138
  ") PORT LED4 CONN_D6, UCF_NET_STRING("LOCP13
  6") PORT LED5 CONN_D7, UCF_NET_STRING("LOCP1
  34") PORT LED6 CONN_D8, UCF_NET_STRING("LOCP
  133") PORT LED7 CONN_D9, UCF_NET_STRING("LOC
  P132")

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Our.XBD File

• PUSH_BUTTON
• PORT PUSH2 CONN_SW2, UCF_NET_STRING("LOCP109"
  )
• PORT SDO CONN_SDO, UCF_NET_STRING("LOCP94")
• DIP_Switches
• PORT DIP1 CONN_DIP1, UCF_NET_STRING("LOCP123"
  )
• PORT DIP2 CONN_DIP2, UCF_NET_STRING("LOCP122"
  ) PORT DIP3 CONN_DIP3, UCF_NET_STRING("LOCP1
  21") PORT DIP4 CONN_DIP4, UCF_NET_STRING("LOC
  P120") PORT DIP5 CONN_DIP5,
  UCF_NET_STRING("LOCP114") PORT DIP6
  CONN_DIP6, UCF_NET_STRING("LOCP113") PORT
  DIP7 CONN_DIP7, UCF_NET_STRING("LOCP112")
  PORT DIP8 CONN_DIP8, UCF_NET_STRING("LOCP111")
  

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Our.XBD File

• Digital Thermometer
• PORT TDATA0 CONN_TDATA0, UCF_NET_STRING("LOC
  P206")
• PORT TDATA1 CONN_TDATA1, UCF_NET_STRING("LOC
  P205")
• PORT TDATA2 CONN_TDATA2, UCF_NET_STRING("LOC
  P204")
• PORT TDATA3 CONN_TDATA3, UCF_NET_STRING("LOC
  P203")
• PORT TDATA4 CONN_TDATA4, UCF_NET_STRING("LOC
  P97")
• PORT TDATA5 CONN_TDATA5, UCF_NET_STRING("LOC
  P96")
• PORT TDATA6 CONN_TDATA6, UCF_NET_STRING("LOC
  P95")
• PORT TDATA7 CONN_TDATA7, UCF_NET_STRING("LOC
  P199")
• END