Difference between revisions of "A-C4E10 Cyclone IV FPGA EP4CE10E22C8N Development Board"

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[[File:P1715-CROPPED-720PX.jpg]]
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== Features ==
 
== Features ==
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* [https://www.ebay.com/itm/Intel-Altera-Cyclone-IV-FPGA-development-board-EP4CE10E22C8N-with-VGA-port/362877625504?hash=item547d3124a0:g:x-kAAOSwnVVZoVGW Ebay listing]
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 +
[[File:EP4CE10_Device_List.jpg]]
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 +
* 46 Internal SRAM 1KX9 Blocks
 +
 +
== Interface ==
 +
 +
=== 24C04 I2C EEPROM ===
 +
 +
[[File:24C04.jpg]]
 +
 +
=== Buzzer ===
 +
 +
[[File:24C04.jpg]]
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=== EPCS ===
 +
 +
[[fILE:EPCS.png]]
 +
 +
== Connectors ==
 +
 +
=== DC-5V ===
 +
 +
* Do not connect power cable if Mini-USB is connected
 +
 +
=== PS/2 ===
 +
 +
* PS/2 keyboard
 +
 +
=== VGA ===
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* 1/1/1 R/G/B
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 +
[[File:VGA-PINS.jpg]]
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 +
=== Mini USB ===
 +
 +
* Do not connect power cable if Mini-USB is connected
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* CH340 USB to serial I/F
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 +
=== J2 - LCD ===
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 +
* LCD1602 or LCD12864
 +
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=== I/O Connector ===
 +
 +
[[File:J4-IO-CONN.PNG]]
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 +
* J4 - 2 pin - 3.3V
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 +
=== JTAG ===
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== Jumpers ==
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 +
=== J1 ===
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* 1x3 shunt
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* LCD Power 3.3V or 5V
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=== J3 - LCD Type Select ===
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* 1602/12864 select
 +
 +
== Switches ==
 +
 +
=== DIP Switch ===
 +
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* 8 positions
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=== K1 ===
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* Marked nCONFIG
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=== K2 ===
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=== K3 ===
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=== K4 ===
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* Marked DEV-CLR
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=== K5 - Marked DEV-OE ===
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== LEDs ==
 +
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=== Ring LEDs===
 +
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[[File:RingLEDs.jpg]]
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* D3-D14 = Ring LEDs
 +
 +
* D15 - CH340 USB Rx (in to card)
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* D16 - CH340 USB Tx (out of card)
 +
 +
== RTS/CTS Rework ==
 +
 +
* Add hardware handshake but lose 2 LEDs
 +
** LEDs have no series resistors and count on the output drive from the FPGA (bad idea)
 +
*** Measured 1.8V on LED while lit
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* Board uses [https://cdn.sparkfun.com/datasheets/Dev/Arduino/Other/CH340DS1.PDF CH340 USB to Serial I/F]
 +
 +
[[File:CH340G_Pinout.PNG]]
 +
 +
* Hardware handshakes are in the CH340G IC but not wired to the FPGA pins on the board
 +
** This is an issue for slower serial emulations which need to throttle the host CPU
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* Remove LEDs D13, D14
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 +
[[File:P1736-RTS-CTS_Mod.jpg]]
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 +
* Add wire D14 (top side) to U6-9 (CTS) (FPGA to CH340)
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** FPGA PIN_69
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* Add wire D13 (top side) to U6-14 (RTS) (CH340 to FPGA )
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** FPGA PIN_70
 +
 +
== Programming the FPGA EEPROM ==
 +
 +
* In Quartus II select File
 +
* Convert Programming File
 +
* Configuration Device = EPCS16
 +
* Mode = Active Serial
 +
* Programming File Type: *.jic
 +
* Advanced = Check both Disables...
 +
* Select Flash Loader
 +
* Add Device = Cyclone IV E and EP4CE10
 +
* Select SOF Data
 +
* Select Add File and select the .sof file
 +
* Generate
 +
* In Tools, Programmer
 +
* Add file and select the .jic file
 +
* Select Program/Configure
 +
* Takes a while to program
 +
* Press nConfig button below VGA
 +
 +
== Pin List ==
 +
 +
<pre>
 +
# Clock, Reset
 +
set_location_assignment PIN_23 -to i_clk
 +
set_location_assignment PIN_86 -to i_n_reset
 +
# Serial Port
 +
set_location_assignment PIN_114 -to i_rxd
 +
set_location_assignment PIN_113 -to o_txd
 +
set_location_assignment PIN_70 -to i_cts
 +
set_location_assignment PIN_69 -to o_rts
 +
# PS/2 Keyboard
 +
set_location_assignment PIN_11 -to i_ps2Clk
 +
set_location_assignment PIN_10 -to i_ps2Data
 +
# Buzzer
 +
set_location_assignment PIN_141 -to o_BUZZER
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# Switches
 +
set_location_assignment PIN_87 -to i_pbutton[0]
 +
set_location_assignment PIN_91 -to i_pbutton[2]
 +
set_location_assignment PIN_90 -to i_pbutton[1]
 +
set_location_assignment PIN_58 -to i_DipSw[0]
 +
set_location_assignment PIN_59 -to i_DipSw[1]
 +
set_location_assignment PIN_60 -to i_DipSw[2]
 +
set_location_assignment PIN_64 -to i_DipSw[3]
 +
set_location_assignment PIN_65 -to i_DipSw[4]
 +
set_location_assignment PIN_66 -to i_DipSw[5]
 +
set_location_assignment PIN_67 -to i_DipSw[6]
 +
set_location_assignment PIN_68 -to i_DipSw[7]
 +
# LEDs
 +
set_location_assignment PIN_72 -to o_LED[0]
 +
set_location_assignment PIN_73 -to o_LED[1]
 +
set_location_assignment PIN_74 -to o_LED[2]
 +
set_location_assignment PIN_80 -to o_LED[3]
 +
set_location_assignment PIN_83 -to o_LED[4]
 +
set_location_assignment PIN_84 -to o_LED[5]
 +
set_location_assignment PIN_77 -to o_LED[6]
 +
set_location_assignment PIN_76 -to o_LED[7]
 +
set_location_assignment PIN_75 -to o_LED[8]
 +
set_location_assignment PIN_71 -to o_LED[9]
 +
# Video
 +
set_location_assignment PIN_144 -to o_Vid_Blu
 +
set_location_assignment PIN_1 -to o_Vid_Grn
 +
set_location_assignment PIN_2 -to o_Vid_Red
 +
set_location_assignment PIN_142 -to o_Vid_hSync
 +
set_location_assignment PIN_143 -to o_Vid_vSync
 +
# Seven Segment LEDs
 +
set_location_assignment PIN_128 -to o_Anode_Act[0]
 +
set_location_assignment PIN_129 -to o_Anode_Act[1]
 +
set_location_assignment PIN_132 -to o_Anode_Act[2]
 +
set_location_assignment PIN_133 -to o_Anode_Act[3]
 +
set_location_assignment PIN_135 -to o_Anode_Act[4]
 +
set_location_assignment PIN_136 -to o_Anode_Act[5]
 +
set_location_assignment PIN_137 -to o_Anode_Act[6]
 +
set_location_assignment PIN_138 -to o_Anode_Act[7]
 +
set_location_assignment PIN_127 -to o_LED7Seg[0]
 +
set_location_assignment PIN_126 -to o_LED7Seg[1]
 +
set_location_assignment PIN_125 -to o_LED7Seg[2]
 +
set_location_assignment PIN_124 -to o_LED7Seg[3]
 +
set_location_assignment PIN_121 -to o_LED7Seg[4]
 +
set_location_assignment PIN_120 -to o_LED7Seg[5]
 +
set_location_assignment PIN_119 -to o_LED7Seg[6]
 +
set_location_assignment PIN_115 -to o_LED7Seg[7]
 +
</pre>

Latest revision as of 13:09, 22 June 2020

P1715-CROPPED-720PX.jpg

Features[edit]

EP4CE10 Device List.jpg

  • 46 Internal SRAM 1KX9 Blocks

Interface[edit]

24C04 I2C EEPROM[edit]

24C04.jpg

Buzzer[edit]

24C04.jpg

EPCS[edit]

EPCS.png

Connectors[edit]

DC-5V[edit]

  • Do not connect power cable if Mini-USB is connected

PS/2[edit]

  • PS/2 keyboard

VGA[edit]

  • 1/1/1 R/G/B

VGA-PINS.jpg

Mini USB[edit]

  • Do not connect power cable if Mini-USB is connected
  • CH340 USB to serial I/F

J2 - LCD[edit]

  • LCD1602 or LCD12864

I/O Connector[edit]

J4-IO-CONN.PNG

  • J4 - 2 pin - 3.3V

JTAG[edit]

Jumpers[edit]

J1[edit]

  • 1x3 shunt
  • LCD Power 3.3V or 5V

J3 - LCD Type Select[edit]

  • 1602/12864 select

Switches[edit]

DIP Switch[edit]

  • 8 positions

K1[edit]

  • Marked nCONFIG

K2[edit]

K3[edit]

K4[edit]

  • Marked DEV-CLR

K5 - Marked DEV-OE[edit]

LEDs[edit]

Ring LEDs[edit]

RingLEDs.jpg

  • D3-D14 = Ring LEDs
  • D15 - CH340 USB Rx (in to card)
  • D16 - CH340 USB Tx (out of card)

RTS/CTS Rework[edit]

  • Add hardware handshake but lose 2 LEDs
    • LEDs have no series resistors and count on the output drive from the FPGA (bad idea)
      • Measured 1.8V on LED while lit
  • Board uses CH340 USB to Serial I/F

CH340G Pinout.PNG

  • Hardware handshakes are in the CH340G IC but not wired to the FPGA pins on the board
    • This is an issue for slower serial emulations which need to throttle the host CPU
  • Remove LEDs D13, D14

P1736-RTS-CTS Mod.jpg

  • Add wire D14 (top side) to U6-9 (CTS) (FPGA to CH340)
    • FPGA PIN_69
  • Add wire D13 (top side) to U6-14 (RTS) (CH340 to FPGA )
    • FPGA PIN_70

Programming the FPGA EEPROM[edit]

  • In Quartus II select File
  • Convert Programming File
  • Configuration Device = EPCS16
  • Mode = Active Serial
  • Programming File Type: *.jic
  • Advanced = Check both Disables...
  • Select Flash Loader
  • Add Device = Cyclone IV E and EP4CE10
  • Select SOF Data
  • Select Add File and select the .sof file
  • Generate
  • In Tools, Programmer
  • Add file and select the .jic file
  • Select Program/Configure
  • Takes a while to program
  • Press nConfig button below VGA

Pin List[edit]

# Clock, Reset
set_location_assignment PIN_23 -to i_clk
set_location_assignment PIN_86 -to i_n_reset
# Serial Port
set_location_assignment PIN_114 -to i_rxd
set_location_assignment PIN_113 -to o_txd
set_location_assignment PIN_70 -to i_cts
set_location_assignment PIN_69 -to o_rts
# PS/2 Keyboard
set_location_assignment PIN_11 -to i_ps2Clk
set_location_assignment PIN_10 -to i_ps2Data
# Buzzer
set_location_assignment PIN_141 -to o_BUZZER
# Switches
set_location_assignment PIN_87 -to i_pbutton[0]
set_location_assignment PIN_91 -to i_pbutton[2]
set_location_assignment PIN_90 -to i_pbutton[1]
set_location_assignment PIN_58 -to i_DipSw[0]
set_location_assignment PIN_59 -to i_DipSw[1]
set_location_assignment PIN_60 -to i_DipSw[2]
set_location_assignment PIN_64 -to i_DipSw[3]
set_location_assignment PIN_65 -to i_DipSw[4]
set_location_assignment PIN_66 -to i_DipSw[5]
set_location_assignment PIN_67 -to i_DipSw[6]
set_location_assignment PIN_68 -to i_DipSw[7]
# LEDs
set_location_assignment PIN_72 -to o_LED[0]
set_location_assignment PIN_73 -to o_LED[1]
set_location_assignment PIN_74 -to o_LED[2]
set_location_assignment PIN_80 -to o_LED[3]
set_location_assignment PIN_83 -to o_LED[4]
set_location_assignment PIN_84 -to o_LED[5]
set_location_assignment PIN_77 -to o_LED[6]
set_location_assignment PIN_76 -to o_LED[7]
set_location_assignment PIN_75 -to o_LED[8]
set_location_assignment PIN_71 -to o_LED[9]
# Video
set_location_assignment PIN_144 -to o_Vid_Blu
set_location_assignment PIN_1 -to o_Vid_Grn
set_location_assignment PIN_2 -to o_Vid_Red
set_location_assignment PIN_142 -to o_Vid_hSync
set_location_assignment PIN_143 -to o_Vid_vSync
# Seven Segment LEDs
set_location_assignment PIN_128 -to o_Anode_Act[0]
set_location_assignment PIN_129 -to o_Anode_Act[1]
set_location_assignment PIN_132 -to o_Anode_Act[2]
set_location_assignment PIN_133 -to o_Anode_Act[3]
set_location_assignment PIN_135 -to o_Anode_Act[4]
set_location_assignment PIN_136 -to o_Anode_Act[5]
set_location_assignment PIN_137 -to o_Anode_Act[6]
set_location_assignment PIN_138 -to o_Anode_Act[7]
set_location_assignment PIN_127 -to o_LED7Seg[0]
set_location_assignment PIN_126 -to o_LED7Seg[1]
set_location_assignment PIN_125 -to o_LED7Seg[2]
set_location_assignment PIN_124 -to o_LED7Seg[3]
set_location_assignment PIN_121 -to o_LED7Seg[4]
set_location_assignment PIN_120 -to o_LED7Seg[5]
set_location_assignment PIN_119 -to o_LED7Seg[6]
set_location_assignment PIN_115 -to o_LED7Seg[7]