Xilinx Spartan 6 FPGA User manual

Mimas – Spartan 6 FPGA Development Board
User Manual
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1. Introduction
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Mimas is an easy to use FPGA Development board featuring Xilinx Spartan-6 FPGA. Mimas is specially designed for experimenting and learning system design with
development board features Xilinx XC6SLX9 TQG144 FPGA with maximum 70 user IOs. The USB 2.0 interface provides fast and easy conguration download to the
don’t need a programmer or special down loader cable to download the bit stream to the board.
Applications
Product Prototype Development
Home Networking
Signal Processing
Wired and Wireless Communications
Educational tool for schools and universities
Board features
FPGA: Spartan-6 XC6SLX9 in TQG144 package
Flash memory: 16 Mb SPI ash memory (M25P16)
100MHz CMOS oscillator
USB 2.0 interface for On-board ash programming
FPGA conguration via JTAG and USB
8 LEDs and four switches for user dened purposes
70 IOs for user dened purposes
On-board voltage regulators for single power rail operation
2. How to Use Mimas – Spartan 6 FPGA Development Board
2.1. Components/Tools Required
Along with the module, you may need the items in the list below for easy and fast installation.
1. USB A to Mini B cable.
2. DC Power supply (Optional).
2.2. Connection Diagram
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This diagram should be used as a reference only. For detailed information, see Mimas schematics at the end of this documentation. Details of individual connecto
2.3. USB Interface
The on board full speed USB controller helps a PC/Linux/Mac computer to communicate with this module. Use a USB A to Mini B
PC. By default the module is powered from USB so make sure not to overcrowd unpowered USB hubs. (the picture on the left sh
2.4. DC Power Supply
This module uses +5V power supply to function properly. By default the board is congured to use +5V supply from USB. So an external +5V
power is not required unless USB port is unable to supply enough current. In most cases USB ports are capable of providing enough
current for the module. Current requirement for this board largely depends on your application. Please consult FPGA datasheet for
more details on power requirements. If for any reason, an external 5V power supply needs to be used for the module, the Power select
jumper should be congured properly before connecting the power supply. Please refer to the marking on the board for more details.
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2.5. Power Select
The Solder jumper is used to congure the power source for the board. The Solder jumper in pin 1 and 2 is shorted to switch the power source to on board USB p
use the external DC power.
2.6. On-Board Peripherals
8 LEDs and four micro switches are provided on-board for user dened purposes. These peripherals are connected to FPGA IOs and can be controlled from user R
have pull-ups on board so make sure to enable week pull ups on corresponding IOs in your design.
2.7. JTAG Connector
JTAG connector provides access to FPGA’s JTAG pins. A XILINX platform cable tool can be used to for JTAG programming.
2.8. GPIOs
This board is equipped with 70 user IO pins that can be used for various custom applications. Pin assignments on the connectors are available in the tables below
HEADER P1
Header Pin No. Pin description Spartan-6 (XC6SLX9 TQG144)
Pin No.
1 VCCIO NA
2 GND NA 

Header Pin No. Pin description Spartan-6 (XC6SLX9 TQG144)
Pin No.
3 IO_L1P_3 35
4 IO_L1N_VREF_3 34
5 IO_L2P_3 33
6 IO_L2N_3 32
7 IO_L36P_3 30
8 IO_L36N_3 29
9 IO_L37P_3 27
10 IO_L37N_3 26
11 IO_L41P_GCLK27_3 24
12 IO_L41N_GCLK26_3 23
13 IO_L42P_GCLK25_TRDY2_3 22
14 IO_L42N_GCLK24_3 21
15 IO_L43P_GCLK23_3 17
16 IO_L43N_GCLK22_IRDY2_3 16
17 IO_L44P_GCLK21_3 15
18 IO_L44N_GCLK20_3 14
19 IO_L49P_3 12
20 IO_L49N_3 11
21 IO_L50P_3 10
22 IO_L50N_3 9
23 IO_L51P_3 8
24 IO_L51N_3 7
25 IO_L52P_3 6
26 IO_L52N_3 5
27 IO_L83P_3 2
28 IO_L83N_VREF_3 1
29 IO_L2P_0 142
30 IO_L2N_0 141
31 IO_L3P_0 140
32 IO_L3N_0 139
33 IO_L4P_0 138
34 IO_L4N_0 137
35 IO_L34P_GCLK19_0 134
36 IO_L34N_GCLK18_0 133
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Header Pin No. Pin description Spartan-6 (XC6SLX9 TQG144)
Pin No.
37 IO_L35P_GCLK17_0 132
38 IO_L35N_GCLK16_0 131
39 VCCIO NA
40 GND NA
HEADER P2
Header Pin No. Pin description Spartan-6(XC6SLX9 TQG144)
Pin No.
1 GND NA
2 VCCIO NA
3 IO_L62N_D6_2 43
4 IO_L62P_D5_2 44
5 IO_L49N_D4_2 45
6 IO_L49P_D3_2 46
7 IO_L48N_RDWR_B_VREF_2 47
8 IO_L48P_D7_2 48
9 IO_L31N_GCLK30_D15_2 50
10 IO_L31P_GCLK31_D14_2 51
11 IO_L30N_GCLK0_USERCCLK_2 55
12 IO_L30P_GCLK1_D13_2 56
13 IO_L74N_DOUT_BUSY_1 74
14 IO_L74P_AWAKE_1 75
15 IO_L47N_1 78
16 IO_L47P_1 79
17 IO_L46N_1 80
18 IO_L46P_1 81
19 GND NA
20 GND NA
21 IO_L45N_1 82
22 IO_L45P_1 83
23 IO_L43N_GCLK4_1 84
24 IO_L43P_GCLK5_1 85
25 IO_L42N_GCLK6_TRDY1_1 87
26 IO_L42P_GCLK7_1 88 

Header Pin No. Pin description Spartan-6(XC6SLX9 TQG144)
Pin No.
27 IO_L41N_GCLK8_1 92
28 IO_L41P_GCLK9_IRDY1_1 93
29 IO_L40N_GCLK10_1 94
30 IO_L40P_GCLK11_1 95
31 IO_L34N_1 97
32 IO_L34P_1 98
33 IO_L33N_1 99
34 IO_L33P_1 100
35 IO_L32N_1 101
36 IO_L32P_1 102
37 IO_L1N_VREF_1 104
38 IO_L1P_1 105
39 GND NA
40 VCCIO NA
3. Driver Installation
3.1. Installing on Windows
This product requires a driver to be installed for proper functioning when used with Windows. The driver
package can be downloaded from the product page. To install the driver, unzip the contents of the downloaded
driver package to a folder. Attach USB cable to the PC and when asked by Windows device installation wizard,
point to the folder where driver les are present. When driver installation is complete, the module should appear
in Windows Device Manager as a serial port (see the picture on the right). Note down the name of the serial port
(COM1, COM2 etc..). This information is required while programming the module with conguration tool.
3.2. Installing on Linux
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To use this product with Linux, USB CDC driver needs to be compiled in with the kernel. Fortunately, most Linux distributions (Ubuntu, Redhat, Debian etc..) h
installed. The chances of you requiring to rebuild the kernel to include the USB CDC driver is very slim. When connected to a Linux machine, this product should
the /dev directory. Usually the name of the device will be “ttyACMx” or similar. The name may be dierent depending on the Linux distribution you have.
3.3. Installing on Mac
Similar to Linux, Mac operating system comes with the required drivers pre-installed. When connected to a Mac computer, the device should appear as a serial po
4. Generating Bit Stream for Mimas
HDL design needs to be converted to bit stream before it can be programmed to FPGA. Mimas at this time accepts only binary (.bin) bit stream created by XILINX
(http://www.xilinx.com/tools/webpack.htm). Once the HDL is synthesized, it is easy to create a binary bit stream out of it. Please follow the Steps below to generat
your design using ISE Web Pack.
Step 1: Right click on the “Generate Programming File” option in “Processes” window.
Step 2: Select “Process Properties” from the pop up menu. In the dialog box, check “Create Binary Conguration File” Check box and click “Apply”.
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Step 3: Click “OK” to close the dialog box. Right click on “Generate Programming File” option again and select “Run”. Now you will be able to nd a .bin le in the p
le can be used for Mimas conguration.
5. Powering Up Mimas
Mimas can be powered directly from USB port so make sure that you are using a USB port that can power the board properly. It is recommended to connect the b
instead using a hub. It is practically very dicult to estimate the power consumption of the board, as it depends heavily on your design and the clock used. XILINX
estimate the power consumption. In any case if power from USB is not enough for your application, an external supply can be applied to the board. Mimas requir
a 3.3V and a 1.2V supply. On-board regulators derive these voltages from the USB/Ext power supply.
6. Configuring Mimas
The Mimas Spartan6 module can be congured by two methods,
a) Using Mimas conguration tool through USB.
b) Using the Xilinx programming cable..
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6.1. Configuring Mimas Using Configuration Tool
Mimas has an on-board micro-controller which facilitates easy reprogramming of on-board SPI ash through USB interface. The micro-controller receives bit strea
application and program it in to the SPI Flash and lets the FPGA boot from the ash. The Mimas conguration application can be downloaded from www.numato.
Mimas is connected to PC, it shows up as a COM port in Device Manager. Run conguration application, select proper COM Port before downloading bit stream. C
select the bit stream le (.bin) and press “Program” button to download the bit stream. Wait till the download process is nished. Once the download process is o
controller will try to boot the FPGA from the SPI Flash automatically. Follow the below steps.
Step 1: Open Mimas Conguration Tool. Select the port no.(Refer “Driver installation” for more information on nding port no.) Click Open le and select the .bin
Step 2: Click on “Program” button. Wait till “Done” appears on the screen.
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6.2. Configuring Mimas Using JTAG
Mimas Spartan6 module features an on-board JTAG connector which facilitates easy reprogramming of SRAM and on-board SPI ash through JTAG programmer li
usb”. Programming Mimas using JTAG requires “XILINX ISE iMPACT” software which is bundled with XILINX ISE Design Suite. To program the SPI ash we need a “.m
generated from the “.bit” le. Steps for generating “.mcs” le is discussed below. Programming FPGA SRAM does not require a mcs le to be generated.
Generating “.mcs” le for Mimas
Step 1: Open ISE iMPACT. Click on “Create PROM le(PROM le formatter)”.In the dialog box, select “Congure Single FPGA” in storage device type. Then click on th
right side.
Step 2: Select 16M in Storage Device (bits) list. Now click on “Add Storage Device”, then the green arrow at the right side.
Step 3: Set an output le name and an output le location (the “.mcs” le will be generated at this location which will be required later for programming the FPGA
then select the “.bit” le we already generated then click Open and click NO when it prompts to add another device le. 

Step 4: Double click on “Generate File”. “Generate Succeeded” will be displayed as shown in g below if the mcs le is generated successfully.
7. Programming FPGA Using ISE iMPACT
Step 1: Open ISE iMPACT. Click on “Boundary Scan” in the iMPACT ows window in the left top corner. Then right click on the window panel in the right side. Selec
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Step 2: If the device is detected properly you will get a pop up window as shown below, Click OK. Then right click on the SPI/BPI (next to the black arrow in the be
SPI/BPI Flash.
Step 3: Select the “.mcs” le we already created and click OK. Now choose “M25P16” in the dialogue box appeared, then click OK.
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Step 4: Click on “Flash”, Double Click on Program, select OK. If the programming is successful, a conrmation message will be displayed.
8. Technical Specifications
Parameter * Value Unit
Basic Specications
Number of GPIOs 70
Number of LEDs 8
Number of Switches 4
On-board oscillator frequency (FXO-HC536R) 100 MHz
SPI Flash Memory (M25P16) 16 Mb
Power supply voltage (USB or external) 5 - 7 V
FPGA Specications
Internal supply voltage relative to GND –0.5 to 1.32 V
Auxiliary supply voltage relative to GND –0.5 to 3.75 V
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Parameter * Value Unit
Output drivers supply voltage relative to GND –0.5 to 3.75 V –0.5 to 3.75 V
9. Mechanical Dimensions
10. Schematics
Mimas Schematics (https://docs.numato.com/wp-content/uploads/2016/08/MimasSpartan6ModuleSch.pdf)
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1.
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2.1.
2.2.
2.3.
2.4.
2.5.
2.6.
2.7.
2.8.
3.
3.1.
3.2.
3.3.
4.
5.
6.
6.1.
Introduction
How to Use Mimas – Spartan 6 FPGA
Development Board
Components/Tools Required
Connection Diagram
USB Interface
DC Power Supply
Power Select
On-Board Peripherals
JTAG Connector
GPIOs
Driver Installation
Installing on Windows
Installing on Linux
Installing on Mac
Generating Bit Stream for Mimas
Powering Up Mimas
Configuring Mimas
Configuring Mimas Using Configuration
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6.2.
7.
8.
9.
10.
Tool
Configuring Mimas Using JTAG
Programming FPGA Using ISE iMPACT
Technical Specifications
Mechanical Dimensions
Schematics
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