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FPGA Boards[edit]

QMTECH EP4CE15[edit]

FPGA Resources[edit]

EP4CExx Resources.PNG

  • 56 1Kx9 RAM blocks
  • Power LED - D4
  • User LED - D5 - FPGA Pin E4
  • KEY0 - SW1 - FPGA Pin W13
  • KEY1 - SW2 - FPGA Pin Y13
  • nCONFIG - SW3
  • JP5 - 5V

QMTECH EP4CE55[edit]

FPGA Resources[edit]


  • 260 1Kx9 RAM blocks
  • Power LED - D4
  • User LED - D5 - FPGA Pin E4
  • KEY0 - SW1 - FPGA Pin W13
  • KEY1 - SW2 - FPGA Pin Y13
  • nCONFIG - SW3
  • JP5 - 5V

EP4CE55 Card Mechanicals[edit]


QMTECH 5CEFA2F23 FPGA Board[edit]

  • QMTech Cyclone V FPGA Board
  • Altera Cyclone V 5CEFA2F23 FPGA
  • On-Board crystal frequency 50MHz
  • RAM resource up to 1,760Kb
    • 176 blocks of 1Kx10
  • 25K logic cells
  • Micron MT25QL128A SPI Flash, 16M bytes for user configuration code
  • 32MB SDRAM, Winbond W9825G6KH-6
  • 3.3V power supply for FPGA by using MP2315 wide input range DC/DC
  • 5CEFA2F23 core board has two 64p, 2.54mm pitch headers
  • 3 user switches
  • 2 user LEDs
  • Default power source for board is: 1A@5V DC, the DC header type: DC-050, 5.5mmx2.1mm

FPGA Resources[edit]


  • 176 1Kx9 RAM blocks
  • Power LED - D4 (On when 5V is applied)
  • User LED - LED_D5 - FPGA Pin_D17
  • KEY0 - SW1 - FPGA Pin_AB13
  • JP5 - 5V

5CEFA2F23 Card Mechanicals[edit]

QMTECH 5CEFA2F23 Mechanical.PNG


  • 1Mx8 SRAM

SRAM (EP4CE15 FPGA pin numbers) J7 - U7[edit]

  • n_sRamCS - J7-19 - PIN_F1
  • n_sRamWE - J7-29 - PIN_B4
  • n_sRamOE - J7-16 - PIN_J2
  • sramData[0] - J7-21 - PIN_E1
  • sramData[1] - J7-23 - PIN_C1
  • sramData[2] - J7-25 - PIN_B1
  • sramData[3] - J7-27 - PIN_B3
  • sramData[4] - J7-26 - PIN_B2
  • sramData[5] - J7-24 - PIN_C2
  • sramData[6] - J7-22 - PIN_D2
  • sramData[7] - J7-20 - PIN_F2
  • sramAddress[0] - J7-17 - PIN_H1
  • sramAddress[1] - J7-15 - PIN_J1
  • sramAddress[2] - J7-13 - PIN_M1
  • sramAddress[3] - J7-11 - PIN_N1
  • sramAddress[4] - J7-9 - PIN_P1
  • sramAddress[5] - J7-10 - PIN_P2
  • sramAddress[6] - J7-12 - PIN_N2
  • sramAddress[7] - J7-14 - PIN_M2
  • sramAddress[8] - J7-18 - PIN_H2
  • sramAddress[9] - J7-28 - PIN_A3
  • sramAddress[10] - J7-30 - PIN_A4
  • sramAddress[11] - J7-32 - PIN_C3
  • sramAddress[12] - J7-34 - PIN_A5
  • sramAddress[13] - J7-36 - PIN_A6
  • sramAddress[14] - J7-38 - PIN_A7
  • sramAddress[15] - J7-40 - PIN_A8
  • sramAddress[16] - J7-37 - PIN_B7
  • sramAddress[17] - J7-35 - PIN_B6
  • sramAddress[18] - J7-33 - PIN_B5
  • sramAddress[19] - J7-31 - PIN_C4

SRAM (5CEFA2F23 FPGA pin numbers) J7 - U7[edit]

  • n_sRamCS - J7-19 - PIN_E2
  • n_sRamWE - J7-29 - PIN_D6
  • n_sRamOE - J7-16 - PIN_L2
  • sramData[0] - J7-21 - PIN_C1
  • sramData[1] - J7-23 - PIN_G6
  • sramData[2] - J7-25 - PIN_G8
  • sramData[3] - J7-27 - PIN_F7
  • sramData[4] - J7-26 - PIN_H8
  • sramData[5] - J7-24 - PIN_H6
  • sramData[6] - J7-22 - PIN_C2
  • sramData[7] - J7-20 - PIN_D3
  • sramAddress[0] - J7-17 - PIN_G1
  • sramAddress[1] - J7-15 - PIN_L1
  • sramAddress[2] - J7-13 - PIN_N1
  • sramAddress[3] - J7-11 - PIN_U1
  • sramAddress[4] - J7-9 - PIN_Y3
  • sramAddress[5] - J7-10 - PIN_W2
  • sramAddress[6] - J7-12 - PIN_U2
  • sramAddress[7] - J7-14 - PIN_N2
  • sramAddress[8] - J7-18 - PIN_G2
  • sramAddress[9] - J7-28 - PIN_E7
  • sramAddress[10] - J7-30 - PIN_C6
  • sramAddress[11] - J7-32 - PIN_D9
  • sramAddress[12] - J7-34 - PIN_A5
  • sramAddress[13] - J7-36 - PIN_B7
  • sramAddress[14] - J7-38 - PIN_A8
  • sramAddress[15] - J7-40 - PIN_A10
  • sramAddress[16] - J7-37 - PIN_A7
  • sramAddress[17] - J7-35 - PIN_B6
  • sramAddress[18] - J7-33 - PIN_B5
  • sramAddress[19] - J7-31 - PIN_E9


J1 - I/O Connector (5CEFA2F23 FPGA Card pin numbers)[edit]


J3 - Edge I/O Connector[edit]



J3 Header (EP4CE15 FPGA pin numbers)[edit]

  • J8P55 = IO_B22
  • J8P56 = IO_B21
  • J8B57 = IO_N20
  • J8P58 = IO_N19
  • J8P59 = IO_M20
  • J8P60 = IO_M19

J3 Header (5CEFA2F23 FPGA Card pin numbers)[edit]

  • J8P55 = BANK_5B_L17
  • J8P56 = BANK_5B_K17
  • J8B57 = BANK_5B_K22
  • J8P58 = BANK_5B_K21
  • J8P59 = BANK_5N_M16
  • J8P60 = BANK_5B_N16

J5 Power[edit]


U7 Pin Mapping Card to FPGA pins[edit]

  • These are the connections to the VGA, PS/2, Serial, SRAM, etc
  • Both the EP4 and 5F FPGA cards have the same connectors but they go to different FPGA pins
    • This is the mapping between the two cards
      • EP4 is the Cyclone IV card
      • 5CEFA is the Cyclone V card


U8 Pin Mapping Card to FPGA pins[edit]



H1 - Power[edit]

  • Install jumper to power card from USB 5V
  • Do not apply power to FPGA DC jack when this jumper is installed

H2 - I/O Power Source for J1[edit]

  • 1-2 = FPGA 3.3V Power
  • 2-3 = On-board 3.3V Regulator

P1 - VGA[edit]

P1 - VGA (EP4CE15 Card)[edit]

  • videoR0 = U7-49 = PIN_B15
  • videoR1 = U7-50 = PIN_A15
  • videoG0 = U7-51 = PIN_B16
  • videoG1 = U7-52 = PIN_A16
  • videoB0 = U7-53 = PIN_B17
  • videoB1 = U7-54 = PIN_A17
  • hSync = U7-55 = PIN_B18
  • vSync = U7-56 = PIN_A18

P1 - VGA (5CEFA2F23 Card)[edit]

  • videoR0 = U8-49 = PIN_E12
  • videoR1 = U8-50 = PIN_D12
  • videoG0 = U8-51 = PIN_D13
  • videoG1 = U8-52 = PIN_C13
  • videoB0 = U8-53 = PIN_B13
  • videoB1 = U8-54 = PIN_A13
  • hSync = U8-55 = PIN_A15
  • vSync = U8-56 = PIN_A14

P2 - PS/2 Keyboard[edit]

PS2 Mapping.PNG

P2 - PS/2 Keyboard (EP4CE15 FPGA pin numbers)[edit]

  • PS2DAT = U7-8 = PIN_R2
  • PS2CLK = U7-8 = PIN_R1

P2 - PS/2 Keyboard (5CEFA2F23 FPGA Card pin numbers)[edit]

  • PS2DAT = U7-8 = PIN_BANK_2A_AA1
  • PS2CLK = U7-8 = PIN_NANK_2A_AA2

P3 - USB-B MICRO OR B[edit]

P3 - USB-B MICRO (EP4CE15 FPGA pin numbers)[edit]

  • FT230X FTDI USB to Serial
  • serSelect = U8-55 = PIN_B22 (J3-1 TO -2)
    • Needs weak pullup
      • set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to serSelect
  • txd1 = U7-43 = PIN_B10
  • rxd1 = U7-45 = PIN_B13
    • Needs weak pullup
      • set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to rxd1
  • rts1 = U7-44 = PIN_A10
  • cts1 = U7-46 = PIN_A13

P3 - USB-B B (5CEFA2F23 FPGA Card pin numbers)[edit]

  • FT230X FTDI USB to Serial
  • serSelect = U8-55 = PIN_BANK_5B_L17 (J3-1 TO -2)
    • Needs weak pullup
      • set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to serSelect
  • txd1 = U7-43 = PIN_BANK_8A_G10
  • rxd1 = U7-45 = PIN_BANK_7A_C11
    • Needs weak pullup
      • set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to rxd1
  • rts1 = U7-44 = PIN_BANK_8A_F10
  • cts1 = U7-46 = PIN_BANK_7A_B11

P4 - SD Card[edit]

SD Card Mapping.PNG

P4 - SD Card (EP4CE15 FPGA pin numbers)[edit]

  • SDCS = U7-57 = PIN_B19
  • MOSI = U7-58 = PIN_A19
  • SCK = U7-59 = PIN_B20
  • MISO = U7-60 = PIN_A20

P4 - SD Card (5CEFA2F23 FPGA pin numbers)[edit]

  • SDCS = U7-57 = PIN_BANK_7A_B15
  • MOSI = U7-58 = PIN_BANK_7A_C15
  • SCK = U7-59 = PIN_BANK_7A_C16
  • MISO = U7-60 = PIN_BANK_7A_B16

VGA - Ideal Drive 2:2:2 Case[edit]

  • FPGA has a 3.3V driver which can drive 8 mA
  • Ideal case drive current
    • 0.7V into 75 Ohms = 9.33 mA
  • R-2R values
  • Voltage steps are:

VGA Sim 2R Voltage.PNG

  • Current steps are:

VGA Sim 2R Current.PNG


Programming the FPGA EEPROM[edit]

Programming the FPGA EEPROM (EP4CE15)[edit]

  • File
  • Convert Programming File
  • Configuration Device = EPCQ64
  • Mode = Active Serial
  • Programming File Type: *.jic
  • Advanced = Check both Disables...
  • Select Flash Loader
  • Add Device = Cyclone IV E and EP4CE15
  • Select SOF Data
  • Select Add File and select the .sof file
  • Generate
  • In Tools, Programmer
  • Mode: JTAG
  • Add file and select the .jic file
  • Select Program/Configure
  • Takes a while to program
  • Press button near VGA

Programming the FPGA EEPROM (5CEFA2F23 FPGA)[edit]

  • File
  • Convert Programming File
  • Configuration Device = MT25QL128
  • Mode = Active Serial
  • Programming File Type: *.jic
  • Advanced = Check both Disables...
  • Select Flash Loader
  • Add Device = Cyclone V and 5CEFA2
  • Select SOF Data
  • Select Add File and select the .sof file
  • Generate
  • In Tools, Programmer
  • Mode: JTAG
  • Add file and select the .jic file
  • Select Program/Configure
  • Takes a while to program
  • Press button near VGA

Multicomp Builds[edit]


Rev 2 Issues[edit]

  • GND on wrong USB pin
    • Was pin 4, s/b pin 5
    • Cut etch J4-4 to via
    • Add wire J4-5 to via
  • FT230XS +3.3V out needs 10 uF cap (min)
    • Added 47uF electrolytic cap between via GND and vusb (3.3V) on rear of board


Rev 1 Issues[edit]

  • Wrong DB15HD footprint
    • Change to right footprint in Rev 2
  • USB-C too hard to hand solder
    • Changing to USB-B Micro in Rev 2
  • Add 5V header in Rev 2

Rev 1 Prototype[edit]

  • VGA connector footprint problem
  • Using the J1 connector to VGAX49 card
Signal VGAX49 Pin RETRO Pin FPGA Pin
GND J1-19 J1-49 N/A
R4 J1-1 J1-47 C21
R3 J1-2 J1-48 C22
G5 J1-6 J1-45 D21
G4 J1-7 J1-46 D22
B4 J1-12 J1-43 E21
B3 J1-13 J1-44 E22
HS J1-17 J1-41 F21
VS J1-18 J1-42 F22
  • Serial
Signal RETRO Pin FPGA Pin
GND J1-50 N/A
SerTx J1-39 H21
SerRx J1-40 H22
SerCts J1-37 J21
SerRts J1-38 J22

Testing with R32V2020 and Multicomp[edit]


Pin List[edit]

Pin List (EP4CE15)[edit]

set_global_assignment -name FAMILY "Cyclone IV E"
set_global_assignment -name DEVICE EP4CE15F23C8
set_global_assignment -name TOP_LEVEL_ENTITY Microcomputer
set_global_assignment -name ORIGINAL_QUARTUS_VERSION "13.0 SP1"
set_global_assignment -name PROJECT_CREATION_TIME_DATE "17:55:48  OCTOBER 20, 2013"
set_global_assignment -name LAST_QUARTUS_VERSION "18.1.0 Lite Edition"
set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
set_global_assignment -name PARTITION_NETLIST_TYPE SOURCE -section_id Top
set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top
set_global_assignment -name MIN_CORE_JUNCTION_TEMP 0
set_global_assignment -name MAX_CORE_JUNCTION_TEMP 85
set_global_assignment -name DEVICE_FILTER_PACKAGE FBGA
set_global_assignment -name DEVICE_FILTER_SPEED_GRADE 8
set_global_assignment -name STRATIX_DEVICE_IO_STANDARD "3.3-V LVTTL"
# Clock and reset
set_location_assignment PIN_T2 -to i_CLOCK_50
set_location_assignment PIN_W13 -to n_reset
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to n_reset
# PS/2
set_location_assignment PIN_R1 -to ps2Clk
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to ps2Clk
set_location_assignment PIN_R2 -to ps2Data
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to ps2Data
# Serial
set_location_assignment PIN_B22 -to serSelect
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to serSelect
set_location_assignment PIN_A13 -to cts1
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to cts1
set_location_assignment PIN_A10 -to rts1
set_location_assignment PIN_B13 -to rxd1
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to rxd1
set_location_assignment PIN_B10 -to txd1
# Video
set_location_assignment PIN_B15 -to videoR0
set_location_assignment PIN_A15 -to videoR1
set_location_assignment PIN_B16 -to videoG0
set_location_assignment PIN_A16 -to videoG1
set_location_assignment PIN_B17 -to videoB0
set_location_assignment PIN_A17 -to videoB1
set_location_assignment PIN_B18 -to hSync
set_location_assignment PIN_A18 -to vSync
set_location_assignment PIN_F1 -to n_sRamCS
set_location_assignment PIN_B4 -to n_sRamWE
set_location_assignment PIN_J2 -to n_sRamOE
set_location_assignment PIN_E1 -to sramData[0]
set_location_assignment PIN_C1 -to sramData[1]
set_location_assignment PIN_B1 -to sramData[2]
set_location_assignment PIN_B3 -to sramData[3]
set_location_assignment PIN_B2 -to sramData[4]
set_location_assignment PIN_C2 -to sramData[5]
set_location_assignment PIN_D2 -to sramData[6]
set_location_assignment PIN_F2 -to sramData[7]
set_location_assignment PIN_H1 -to sramAddress[0]
set_location_assignment PIN_J1 -to sramAddress[1]
set_location_assignment PIN_M1 -to sramAddress[2]
set_location_assignment PIN_N1 -to sramAddress[3]
set_location_assignment PIN_P1 -to sramAddress[4]
set_location_assignment PIN_P2 -to sramAddress[5]
set_location_assignment PIN_N2 -to sramAddress[6]
set_location_assignment PIN_M2 -to sramAddress[7]
set_location_assignment PIN_H2 -to sramAddress[8]
set_location_assignment PIN_A3 -to sramAddress[9]
set_location_assignment PIN_A4 -to sramAddress[10]
set_location_assignment PIN_C3 -to sramAddress[11]
set_location_assignment PIN_A5 -to sramAddress[12]
set_location_assignment PIN_A6 -to sramAddress[13]
set_location_assignment PIN_A7 -to sramAddress[14]
set_location_assignment PIN_A8 -to sramAddress[15]
set_location_assignment PIN_B7 -to sramAddress[16]
set_location_assignment PIN_B6 -to sramAddress[17]
set_location_assignment PIN_B5 -to sramAddress[18]
set_location_assignment PIN_C4 -to sramAddress[19]
set_location_assignment PIN_Y6 -to sdRamClk
set_location_assignment PIN_W6 -to sdRamClkEn
set_location_assignment PIN_AA4 -to n_sdRamCas
set_location_assignment PIN_AA3 -to n_sdRamCe
set_location_assignment PIN_AB3 -to n_sdRamRas
set_location_assignment PIN_AB4 -to n_sdRamWe
set_location_assignment PIN_V2 -to sdRamAddr[0]
set_location_assignment PIN_V1 -to sdRamAddr[1]
set_location_assignment PIN_U2 -to sdRamAddr[2]
set_location_assignment PIN_U1 -to sdRamAddr[3]
set_location_assignment PIN_V3 -to sdRamAddr[4]
set_location_assignment PIN_V4 -to sdRamAddr[5]
set_location_assignment PIN_Y2 -to sdRamAddr[6]
set_location_assignment PIN_AA1 -to sdRamAddr[7]
set_location_assignment PIN_Y3 -to sdRamAddr[8]
set_location_assignment PIN_V5 -to sdRamAddr[9]
set_location_assignment PIN_W1 -to sdRamAddr[10]
set_location_assignment PIN_Y4 -to sdRamAddr[11]
set_location_assignment PIN_V6 -to sdRamAddr[12]
set_location_assignment PIN_Y1 -to sdRamAddr[13]
set_location_assignment PIN_W2 -to sdRamAddr[14]
set_location_assignment PIN_AA10 -to sdRamData[0]
set_location_assignment PIN_AB9 -to sdRamData[1]
set_location_assignment PIN_AA9 -to sdRamData[2]
set_location_assignment PIN_AB8 -to sdRamData[3]
set_location_assignment PIN_AA8 -to sdRamData[4]
set_location_assignment PIN_AB7 -to sdRamData[5]
set_location_assignment PIN_AA7 -to sdRamData[6]
set_location_assignment PIN_AB5 -to sdRamData[7]
set_location_assignment PIN_Y7 -to sdRamData[8]
set_location_assignment PIN_W8 -to sdRamData[9]
set_location_assignment PIN_Y8 -to sdRamData[10]
set_location_assignment PIN_V9 -to sdRamData[11]
set_location_assignment PIN_V10 -to sdRamData[12]
set_location_assignment PIN_Y10 -to sdRamData[13]
set_location_assignment PIN_W10 -to sdRamData[14]
set_location_assignment PIN_V11 -to sdRamData[15]
set_location_assignment PIN_AB14 -to IO_PIN[3]
set_location_assignment PIN_AA14 -to IO_PIN[4]
set_location_assignment PIN_AB15 -to IO_PIN[5]
set_location_assignment PIN_AA15 -to IO_PIN[6]
set_location_assignment PIN_AB16 -to IO_PIN[7]
set_location_assignment PIN_AA16 -to IO_PIN[8]
set_location_assignment PIN_AB17 -to IO_PIN[9]
set_location_assignment PIN_AA17 -to IO_PIN[10]
set_location_assignment PIN_AB18 -to IO_PIN[11]
set_location_assignment PIN_AA18 -to IO_PIN[12]
set_location_assignment PIN_AB19 -to IO_PIN[13]
set_location_assignment PIN_AA19 -to IO_PIN[14]
set_location_assignment PIN_AB20 -to IO_PIN[15]
set_location_assignment PIN_AA20 -to IO_PIN[16]
set_location_assignment PIN_Y21 -to IO_PIN[17]
set_location_assignment PIN_Y22 -to IO_PIN[18]
set_location_assignment PIN_W21 -to IO_PIN[19]
set_location_assignment PIN_W22 -to IO_PIN[20]
set_location_assignment PIN_V21 -to IO_PIN[21]
set_location_assignment PIN_V22 -to IO_PIN[22]
set_location_assignment PIN_U21 -to IO_PIN[23]
set_location_assignment PIN_U22 -to IO_PIN[24]
set_location_assignment PIN_R21 -to IO_PIN[25]
set_location_assignment PIN_R22 -to IO_PIN[26]
set_location_assignment PIN_P21 -to IO_PIN[27]
set_location_assignment PIN_P22 -to IO_PIN[28]
set_location_assignment PIN_N21 -to IO_PIN[29]
set_location_assignment PIN_M21 -to IO_PIN[31]
set_location_assignment PIN_M22 -to IO_PIN[32]
set_location_assignment PIN_L21 -to IO_PIN[33]
set_location_assignment PIN_L22 -to IO_PIN[34]
set_location_assignment PIN_K21 -to IO_PIN[35]
set_location_assignment PIN_K22 -to IO_PIN[36]
set_location_assignment PIN_J21 -to IO_PIN[37]
set_location_assignment PIN_J22 -to IO_PIN[38]
set_location_assignment PIN_H21 -to IO_PIN[39]
set_location_assignment PIN_H22 -to IO_PIN[40]
set_location_assignment PIN_F21 -to IO_PIN[41]
set_location_assignment PIN_F22 -to IO_PIN[42]
set_location_assignment PIN_E21 -to IO_PIN[43]
set_location_assignment PIN_E22 -to IO_PIN[44]
set_location_assignment PIN_D21 -to IO_PIN[45]
set_location_assignment PIN_D22 -to IO_PIN[46]
set_location_assignment PIN_C21 -to IO_PIN[47]
set_location_assignment PIN_C22 -to IO_PIN[48]

Pin List (5CEFA2F23)[edit]

set_global_assignment -name FAMILY "Cyclone V"
set_global_assignment -name DEVICE 5CEFA2F23I7
set_global_assignment -name TOP_LEVEL_ENTITY Microcomputer
set_global_assignment -name ORIGINAL_QUARTUS_VERSION "13.0 SP1"
set_global_assignment -name PROJECT_CREATION_TIME_DATE "17:55:48  OCTOBER 20, 2013"
set_global_assignment -name LAST_QUARTUS_VERSION "18.1.0 Lite Edition"
set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
set_global_assignment -name MIN_CORE_JUNCTION_TEMP "-40"
set_global_assignment -name MAX_CORE_JUNCTION_TEMP 100
set_global_assignment -name ERROR_CHECK_FREQUENCY_DIVISOR 1
set_global_assignment -name PARTITION_NETLIST_TYPE SOURCE -section_id Top
set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top
# Clock and reset
set_location_assignment PIN_M9 -to clk
set_location_assignment PIN_V18 -to n_reset
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to n_reset
# Serial
set_location_assignment PIN_B11 -to cts1
set_location_assignment PIN_F10 -to rts1
set_location_assignment PIN_C11 -to rxd1
set_location_assignment PIN_G10 -to txd1
set_location_assignment PIN_L22 -to txd4
set_location_assignment PIN_L19 -to rxd4
set_location_assignment PIN_N19 -to rts4
set_location_assignment PIN_M20 -to cts4
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to rxd1
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to rxd4
set_location_assignment PIN_E2 -to n_sRam1CS
set_location_assignment PIN_L2 -to n_sRamOE
set_location_assignment PIN_D6 -to n_sRamWE
set_location_assignment PIN_E9 -to sramAddress[19]
set_location_assignment PIN_B5 -to sramAddress[18]
set_location_assignment PIN_B6 -to sramAddress[17]
set_location_assignment PIN_A7 -to sramAddress[16]
set_location_assignment PIN_A10 -to sramAddress[15]
set_location_assignment PIN_A9 -to sramAddress[14]
set_location_assignment PIN_B7 -to sramAddress[13]
set_location_assignment PIN_A5 -to sramAddress[12]
set_location_assignment PIN_D9 -to sramAddress[11]
set_location_assignment PIN_C6 -to sramAddress[10]
set_location_assignment PIN_E7 -to sramAddress[9]
set_location_assignment PIN_G2 -to sramAddress[8]
set_location_assignment PIN_N2 -to sramAddress[7]
set_location_assignment PIN_U2 -to sramAddress[6]
set_location_assignment PIN_W2 -to sramAddress[5]
set_location_assignment PIN_Y3 -to sramAddress[4]
set_location_assignment PIN_U1 -to sramAddress[3]
set_location_assignment PIN_N1 -to sramAddress[2]
set_location_assignment PIN_L1 -to sramAddress[1]
set_location_assignment PIN_G1 -to sramAddress[0]
set_location_assignment PIN_C1 -to sramData[0]
set_location_assignment PIN_G6 -to sramData[1]
set_location_assignment PIN_G8 -to sramData[2]
set_location_assignment PIN_F7 -to sramData[3]
set_location_assignment PIN_H8 -to sramData[4]
set_location_assignment PIN_H6 -to sramData[5]
set_location_assignment PIN_C2 -to sramData[6]
set_location_assignment PIN_D3 -to sramData[7]
# SD Card
set_location_assignment PIN_B15 -to sdCS
set_location_assignment PIN_B16 -to sdMISO
set_location_assignment PIN_C15 -to sdMOSI
set_location_assignment PIN_C16 -to sdSCLK
set_location_assignment PIN_D17 -to driveLED
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to sdMISO
# Video
set_location_assignment PIN_A15 -to hSync
set_location_assignment PIN_D12 -to videoR1
set_location_assignment PIN_E12 -to videoR0
set_location_assignment PIN_C13 -to videoG1
set_location_assignment PIN_D13 -to videoG0
set_location_assignment PIN_A13 -to videoB1
set_location_assignment PIN_B13 -to videoB0
set_location_assignment PIN_A14 -to vSync
# PS/2
set_location_assignment PIN_AA2 -to ps2Clk
set_location_assignment PIN_AA1 -to ps2Data
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to ps2Clk
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to ps2Data
set_location_assignment PIN_AB11 -to sdRamClk
set_location_assignment PIN_V9 -to sdRamClkEn
set_location_assignment PIN_AA7 -to n_sdRamCas
set_location_assignment PIN_AB5 -to n_sdRamCe
set_location_assignment PIN_AB6 -to n_sdRamRas
set_location_assignment PIN_W9 -to n_sdRamWe
set_location_assignment PIN_AB7 -to o_sdram_ldqm
set_location_assignment PIN_V10 -to o_sdram_udqm
set_location_assignment PIN_P9 -to sdRamAddr[14]
set_location_assignment PIN_T7 -to sdRamAddr[13]
set_location_assignment PIN_Y9 -to sdRamAddr[12]
set_location_assignment PIN_T9 -to sdRamAddr[11]
set_location_assignment PIN_R6 -to sdRamAddr[10]
set_location_assignment PIN_W8 -to sdRamAddr[9]
set_location_assignment PIN_T8 -to sdRamAddr[8]
set_location_assignment PIN_U8 -to sdRamAddr[7]
set_location_assignment PIN_V6 -to sdRamAddr[6]
set_location_assignment PIN_U7 -to sdRamAddr[5]
set_location_assignment PIN_U6 -to sdRamAddr[4]
set_location_assignment PIN_N6 -to sdRamAddr[3]
set_location_assignment PIN_N8 -to sdRamAddr[2]
set_location_assignment PIN_P7 -to sdRamAddr[1]
set_location_assignment PIN_P8 -to sdRamAddr[0]
set_location_assignment PIN_P12 -to sdRamData[15]
set_location_assignment PIN_R12 -to sdRamData[14]
set_location_assignment PIN_U12 -to sdRamData[13]
set_location_assignment PIN_R11 -to sdRamData[12]
set_location_assignment PIN_R10 -to sdRamData[11]
set_location_assignment PIN_U11 -to sdRamData[10]
set_location_assignment PIN_T10 -to sdRamData[9]
set_location_assignment PIN_U10 -to sdRamData[8]
set_location_assignment PIN_AA8 -to sdRamData[7]
set_location_assignment PIN_AB8 -to sdRamData[6]
set_location_assignment PIN_AA9 -to sdRamData[5]
set_location_assignment PIN_Y10 -to sdRamData[4]
set_location_assignment PIN_AB10 -to sdRamData[3]
set_location_assignment PIN_AA10 -to sdRamData[2]
set_location_assignment PIN_Y11 -to sdRamData[1]
set_location_assignment PIN_AA12 -to sdRamData[0]
set_location_assignment PIN_AB15 -to IO_PIN[3]
set_location_assignment PIN_AA15 -to IO_PIN[4]
set_location_assignment PIN_Y14 -to IO_PIN[5]
set_location_assignment PIN_Y15 -to IO_PIN[6]
set_location_assignment PIN_AB17 -to IO_PIN[7]
set_location_assignment PIN_AB18 -to IO_PIN[8]
set_location_assignment PIN_Y16 -to IO_PIN[9]
set_location_assignment PIN_Y17 -to IO_PIN[10]
set_location_assignment PIN_AA17 -to IO_PIN[11]
set_location_assignment PIN_AA18 -to IO_PIN[12]
set_location_assignment PIN_AA19 -to IO_PIN[13]
set_location_assignment PIN_AA20 -to IO_PIN[14]
set_location_assignment PIN_Y19 -to IO_PIN[15]
set_location_assignment PIN_Y20 -to IO_PIN[16]
set_location_assignment PIN_AB20 -to IO_PIN[17]
set_location_assignment PIN_AB21 -to IO_PIN[18]
set_location_assignment PIN_AB22 -to IO_PIN[19]
set_location_assignment PIN_AA22 -to IO_PIN[20]
set_location_assignment PIN_Y22 -to IO_PIN[21]
set_location_assignment PIN_W22 -to IO_PIN[22]
set_location_assignment PIN_W21 -to IO_PIN[23]
set_location_assignment PIN_Y21 -to IO_PIN[24]
set_location_assignment PIN_V21 -to IO_PIN[25]
set_location_assignment PIN_U22 -to IO_PIN[26]
set_location_assignment PIN_W19 -to IO_PIN[27]
set_location_assignment PIN_V20 -to IO_PIN[28]
set_location_assignment PIN_U20 -to IO_PIN[29]
set_location_assignment PIN_U21 -to IO_PIN[30]
set_location_assignment PIN_T22 -to IO_PIN[31]
set_location_assignment PIN_R22 -to IO_PIN[32]
set_location_assignment PIN_R21 -to IO_PIN[33]
set_location_assignment PIN_P22 -to IO_PIN[34]
set_location_assignment PIN_T19 -to IO_PIN[35]
set_location_assignment PIN_T20 -to IO_PIN[36]
set_location_assignment PIN_P17 -to IO_PIN[37]
set_location_assignment PIN_P16 -to IO_PIN[38]
set_location_assignment PIN_N21 -to IO_PIN[39]
set_location_assignment PIN_N20 -to IO_PIN[40]
set_location_assignment PIN_M20 -to IO_PIN[41]
set_location_assignment PIN_M21 -to IO_PIN[42]
set_location_assignment PIN_N19 -to IO_PIN[43]
set_location_assignment PIN_M18 -to IO_PIN[44]
set_location_assignment PIN_L19 -to IO_PIN[45]
set_location_assignment PIN_L18 -to IO_PIN[46]
set_location_assignment PIN_L22 -to IO_PIN[47]
set_location_assignment PIN_M22 -to IO_PIN[48]
set_global_assignment -name STRATIX_DEVICE_IO_STANDARD "3.3-V LVTTL"
set_global_assignment -name OPTIMIZE_MULTI_CORNER_TIMING ON
set_global_assignment -name USE_CONFIGURATION_DEVICE ON
set_global_assignment -name VHDL_INPUT_VERSION VHDL_1993
set_global_assignment -name VHDL_SHOW_LMF_MAPPING_MESSAGES OFF
set_global_assignment -name DEVICE_FILTER_SPEED_GRADE 7
set_global_assignment -name SMART_RECOMPILE ON
set_global_assignment -name NUM_PARALLEL_PROCESSORS 4
set_global_assignment -name VHDL_FILE Microcomputer.vhd
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/CPU/Z80/T80s.vhd"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/CPU/Z80/T80_Reg.vhd"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/CPU/Z80/T80_Pack.vhd"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/CPU/Z80/T80_MCode.vhd"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/CPU/Z80/T80_ALU.vhd"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/CPU/Z80/T80.vhd"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/ROMs/Z80/Z80_CMON/Z80_CMON_ROM.vhd"
set_global_assignment -name SOURCE_FILE "../../../MultiComp (VHDL Template)/Components/ROMs/Z80/Z80_CMON/Z80_CMON_ROM.cmp"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/TERMINAL/DisplayRam2K.vhd"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/TERMINAL/DisplayRam1K.vhd"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/TERMINAL/CGABoldRomReduced.vhd"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/TERMINAL/CGABoldRom.vhd"
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/UART/Previous_Revisions/bufferedUART_MJC.vhd"
set_global_assignment -name VHDL_FILE ../Components/BRG/brg.vhd
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/SDCARD/sd_controller_High_Speed.vhd"
set_global_assignment -name VHDL_FILE ../Components/TERMINAL/SBCTextDisplayRGB.vhd
set_global_assignment -name VHDL_FILE ../Components/TERMINAL/keyMapRom.vhd
set_global_assignment -name VHDL_FILE "../../../MultiComp (VHDL Template)/Components/Memory_Mappers/MMU4/MMU4.vhd"
set_global_assignment -name SOURCE_FILE Microcomputer.qsf
set_global_assignment -name SOURCE_FILE db/Microcomputer.cmp.rdb
set_global_assignment -name CDF_FILE ../../../../gameserver/QuartusII/Microcomputer_VGA/output_files/Chain1.cdf
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top

Assembly Sheet[edit]