Difference between revisions of "QMTECH EP4CE15 FPGA Card"

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Line 3: Line 3:
 
== Features ==
 
== Features ==
  
−
* Purchased FPGA Card
+
* Mounts to [[RETRO-EP4CE15]] FPGA Adapter card
−
* QMTECH EP4CE15 Board
+
* Altera Cyclone IV [https://www.digikey.com/product-detail/en/intel/EP4CE15F23C8N/544-2809-ND/2288329 EP4CE15F23C8N FPGA]
 +
* Purchased [https://www.aliexpress.com/item/32949281189.html?spm=a2g0o.productlist.0.0.4210662fzJm4eF&algo_pvid=7e463362-226a-4171-8651-394df9cf19a6&algo_expid=7e463362-226a-4171-8651-394df9cf19a6-1&btsid=0ab6f82c15818053109856583ece19&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_ QMTECH EP4CE15 FPGA Board]
 +
** [https://github.com/ChinaQMTECH/CYCLONE_IV_EP4CE15 QMTECH EP4CE15 FPGA Board] - QMTECH GitHib page
 
* Crystal frequency: 50MHz
 
* Crystal frequency: 50MHz
−
* Altera Cyclone IV [https://www.digikey.com/product-detail/en/intel/EP4CE15F23C8N/544-2809-ND/2288329 EP4CE15F23C8N FPGA]
+
* 32MB Winbond [https://www.winbond.com/resource-files/da00-w9825g6khc1.pdf W9825C6KH-6 4M X 4 Banks x 16 bits SDRAM]
−
* Winbond [https://www.winbond.com/resource-files/da00-w9825g6khc1.pdf W9825C6KH-6 4M X 4 Banks x 16 bits SDRAM]
 
 
* W25Q64 SPI Flash
 
* W25Q64 SPI Flash
 +
** Select EPCQ64
 
* 3 Switches
 
* 3 Switches
 +
* 2 LEDs
 
* DC power jack
 
* DC power jack
 
** 5V 1A
 
** 5V 1A
Line 15: Line 18:
 
** Power supply
 
** Power supply
 
* 6.7cm x 8.4cm
 
* 6.7cm x 8.4cm
 +
 +
[[File:EP4CExx_Resources.PNG]]
  
 
== Switches/Indications ==
 
== Switches/Indications ==
  
−
* LED - D4
+
* Power LED - D4
−
* LED - D5
+
* User LED - D5 - FPGA Pin E4
−
* SW1
+
* KEY0 - SW1 - FPGA Pin W13
−
* SW2
+
* KEY1 - SW2 - FPGA Pin Y13
−
* SW3
+
* nCONFIG - SW3
 
* JP5 - 5V
 
* JP5 - 5V
  
Line 28: Line 33:
  
 
* J2 - JTAG
 
* J2 - JTAG
 +
 +
== Connectors ==
 +
 +
=== U7 ===
 +
 +
[[File:U7_io_CONN.PNG]]
 +
 +
=== U8 ===
 +
 +
[[File:u8_io_CONN.PNG]]
 +
 +
== Programming the FPGA EEPROM ==
 +
 +
* 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
 +
* Add file and select the .jic file
 +
* Select Program/Configure
 +
* Takes a while to program
 +
* Press button near VGA
  
 
== Pages ==
 
== Pages ==
  
−
* [https://github.com/ChinaQMTECH/CYCLONE_IV_EP4CE15 QMTECH EP4CE15]
+
* [https://github.com/ChinaQMTECH/CYCLONE_IV_EP4CE15 QMTECH EP4CE15 Github]
  
 
== Mechanicals ==
 
== Mechanicals ==
  
 
[[File:QMTECH_FPGA_EP4CE15.jpg]]
 
[[File:QMTECH_FPGA_EP4CE15.jpg]]
 +
== Pin List ==
 +
 +
<pre>
 +
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
 +
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
 +
set_location_assignment PIN_C22 -to serSelect
 +
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to serSelect
 +
set_location_assignment PIN_A10 -to cts1
 +
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to cts1
 +
set_location_assignment PIN_A13 -to rts1
 +
set_location_assignment PIN_B10 -to rxd1
 +
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to rxd1
 +
set_location_assignment PIN_B13 -to txd1
 +
set_location_assignment PIN_B17 -to videoB0
 +
set_location_assignment PIN_A17 -to videoB1
 +
set_location_assignment PIN_B16 -to videoG0
 +
set_location_assignment PIN_A16 -to videoG1
 +
set_location_assignment PIN_B20 -to videoR0
 +
set_location_assignment PIN_A15 -to videoR1
 +
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_A8 -to sramAddress[15]
 +
set_location_assignment PIN_A7 -to sramAddress[14]
 +
set_location_assignment PIN_A6 -to sramAddress[13]
 +
set_location_assignment PIN_A5 -to sramAddress[12]
 +
set_location_assignment PIN_C3 -to sramAddress[11]
 +
set_location_assignment PIN_A4 -to sramAddress[10]
 +
set_location_assignment PIN_A3 -to sramAddress[9]
 +
set_location_assignment PIN_H2 -to sramAddress[8]
 +
set_location_assignment PIN_M2 -to sramAddress[7]
 +
set_location_assignment PIN_N2 -to sramAddress[6]
 +
set_location_assignment PIN_P2 -to sramAddress[5]
 +
set_location_assignment PIN_P1 -to sramAddress[4]
 +
set_location_assignment PIN_B5 -to sramAddress[18]
 +
set_location_assignment PIN_B6 -to sramAddress[17]
 +
set_location_assignment PIN_B7 -to sramAddress[16]
 +
# SDRAM
 +
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_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to hSync
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to n_reset
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to ps2Clk
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to ps2Data
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoB0
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoB1
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoG0
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoG1
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoR0
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoR1
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to vSync
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to rts1
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to rxd1
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to txd1
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to n_sRamCS
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to n_sRamOE
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to n_sRamWE
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[0]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[1]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[2]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[3]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[4]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[5]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[6]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[7]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[0]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[1]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[2]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[3]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[4]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[5]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[6]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[7]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[8]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[15]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[14]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[13]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[10]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[9]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[11]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[12]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[16]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[17]
 +
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[18]
 +
</pre>

Latest revision as of 12:13, 12 March 2021

P913-cropped-512pxV.jpg.jpg

Features

EP4CExx Resources.PNG

Switches/Indications

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

Jumpers

  • J2 - JTAG

Connectors

U7

U7 io CONN.PNG

U8

U8 io CONN.PNG

Programming the FPGA EEPROM

  • 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
  • Add file and select the .jic file
  • Select Program/Configure
  • Takes a while to program
  • Press button near VGA

Pages

Mechanicals

QMTECH FPGA EP4CE15.jpg

Pin List

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
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
set_location_assignment PIN_C22 -to serSelect
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to serSelect
set_location_assignment PIN_A10 -to cts1
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to cts1
set_location_assignment PIN_A13 -to rts1
set_location_assignment PIN_B10 -to rxd1
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to rxd1
set_location_assignment PIN_B13 -to txd1
set_location_assignment PIN_B17 -to videoB0
set_location_assignment PIN_A17 -to videoB1
set_location_assignment PIN_B16 -to videoG0
set_location_assignment PIN_A16 -to videoG1
set_location_assignment PIN_B20 -to videoR0
set_location_assignment PIN_A15 -to videoR1
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_A8 -to sramAddress[15]
set_location_assignment PIN_A7 -to sramAddress[14]
set_location_assignment PIN_A6 -to sramAddress[13]
set_location_assignment PIN_A5 -to sramAddress[12]
set_location_assignment PIN_C3 -to sramAddress[11]
set_location_assignment PIN_A4 -to sramAddress[10]
set_location_assignment PIN_A3 -to sramAddress[9]
set_location_assignment PIN_H2 -to sramAddress[8]
set_location_assignment PIN_M2 -to sramAddress[7]
set_location_assignment PIN_N2 -to sramAddress[6]
set_location_assignment PIN_P2 -to sramAddress[5]
set_location_assignment PIN_P1 -to sramAddress[4]
set_location_assignment PIN_B5 -to sramAddress[18]
set_location_assignment PIN_B6 -to sramAddress[17]
set_location_assignment PIN_B7 -to sramAddress[16]
# SDRAM
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_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to hSync
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to n_reset
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to ps2Clk
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to ps2Data
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoB0
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoB1
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoG0
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoG1
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoR0
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to videoR1
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to vSync
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to rts1
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to rxd1
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to txd1
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to n_sRamCS
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to n_sRamOE
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to n_sRamWE
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[0]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[1]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[2]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[3]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[4]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[5]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[6]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramData[7]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[0]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[1]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[2]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[3]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[4]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[5]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[6]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[7]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[8]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[15]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[14]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[13]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[10]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[9]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[11]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[12]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[16]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[17]
set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to sramAddress[18]
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