Xilinx MicroBlaze Spartan-3E 1600E Edition User Manual
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Summary of Contents for Xilinx MicroBlaze Spartan-3E 1600E Edition
- Page 1 MicroBlaze Development Kit Spartan-3E 1600E Edition User Guide UG257 (v1.1) December 5, 2007...
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Page 2: Introduction And Overview
Edition. You will find it useful in developing your Spartan-3E FPGA application. Choose the Starter Kit Board for Your Needs Depending on specific requirements, choose the Xilinx development board that best suits your needs. Spartan-3E FPGA Features and Embedded Processing Functions... -
Page 3: Key Components And Features
Chapter 1: Introduction and Overview • http://www.xilinx.com/xlnx/xebiz/designResources/ip_product_details.jsp?key=DO- ML403-EDK-ISE Also consider the capable boards offered by Xilinx partners: • http://www.xilinx.com/products/devboards/index.htm Key Components and Features The key features of the MicroBlaze Development Kit board are: • Xilinx XC3S1600E Spartan-3E FPGA ♦ Up to 250 ♦... -
Page 4: Design Trade-Offs
The on-chip circuitry simplifies the device programming experience. In typical applications, the JTAG programming hardware resides off-board or in a separate programming module, such as the Xilinx Platform USB cable. This USB port is for programming only and can not be used as an independent USB interface. -
Page 5: Switches, Buttons, And Knob
I/O standard used. The PULLUP resistor is not required, but it defines the input value when the switch is in the middle of a transition. MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide UG257 (v1.1) December 5, 2007 www.xilinx.com... -
Page 6: Push-Button Switches
Figure 2-5 shows how to specify a pull-down resistor within the UCF. There is no active debouncing circuitry on the push button. MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide www.xilinx.com UG257 (v1.1) December 5, 2007... -
Page 7: Rotary Push-Button Switch
Low. Figure 2-9 shows how to specify a pull-down resistor within the UCF. There is no active debouncing circuitry on the push button. MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide UG257 (v1.1) December 5, 2007 www.xilinx.com... - Page 8 See the Rotary Encoder Interface reference design in“Related Resources” for an example. MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide www.xilinx.com UG257 (v1.1) December 5, 2007...
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Page 9: Discrete Leds
The MicroBlaze Development Kit board has eight individual surface-mount LEDs located above the slide switches as shown in Figure 2-10. The LEDs are labeled LED7 through LED0. LED7 is the left-most LED, LED0 the right-most LED. MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide UG257 (v1.1) December 5, 2007 www.xilinx.com... - Page 10 NET "LED<0>" LOC = "D4” | IOSTANDARD = SSTL2_I ; UG257_02_11_062106 Figure 2-11: UCF Constraints for Eight Discrete LEDs Related Resources • Rotary Encoder Interface for Spartan-3E Starter Kit (Reference Design) http://www.xilinx.com/s3estarter http://www.xilinx.com/sp3e1600E MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide www.xilinx.com UG257 (v1.1) December 5, 2007...
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Page 11: Clock Sources
Overview As shown in Figure 3-1, the MicroBlaze Development Kit board supports three primary clock input sources, all of which are located below the Xilinx logo, near the Spartan-3E logo. • The board includes an on-board 50 MHz clock oscillator. - Page 12 I/O pin assignments and I/O standards. The period constraints define the clock period—and consequently the clock frequency—and the duty cycle of the incoming clock signal. MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide www.xilinx.com UG257 (v1.1) December 5, 2007...
- Page 13 UG257_03_02_061306 Figure 3-2: UCF Location Constraints for Clock Sources Clock Period Constraints The Xilinx ISE development software uses timing-driven logic placement and routing. Set the clock PERIOD constraint as appropriate. An example constraint appears in Figure 3-3 for the on-board 50 MHz clock oscillator. The CLK_50MHZ frequency is 50 MHz, which equates to a 20 ns period.
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