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Chapter 1 VC709 Evaluation Board Features Overview The VC709 evaluation board for the Virtex®-7 FPGA provides a hardware environment for developing and evaluating designs targeting the Virtex-7 XC7VX690T-2FFG1761C FPGA. The VC709 board provides features common to many embedded processing systems, including dual DDR3 small outline dual-inline memory module (SODIMM) memories, an 8-lane PCI Express®...
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USB JTAG (Digilent) configuration port The VC709 board block diagram is shown in Figure 1-1. Caution! The VC709 board can be damaged by electrostatic discharge (ESD). Follow standard ESD prevention measures when handling the board. www.xilinx.com VC709 Evaluation Board UG887 (v1.2.1) March 11, 2014...
C Bus Switch Flash Addr Connector UG887_c1_01_012113 Figure 1-1: VC709 Board Block Diagram Feature Descriptions Figure 1-2 shows the VC709 board. Each numbered feature that is referenced in Figure 1-2 is described in Table 1-1 and following sections. Note: The image in...
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Chapter 1: VC709 Evaluation Board Features X-Ref Target - Figure 1-2 Round callout references a component Square callout references a component on the front side of the board. on the back side of the board. UG887_c1_02_051013 Figure 1-2: VC709 Board Component Locations...
For further information on Virtex-7 FPGAs, see 7 Series FPGAs Overview (DS180) [Ref FPGA Configuration The VC709 board supports two of the five 7 series FPGA configuration modes: • Master BPI using the onboard linear BPI flash memory VC709 Evaluation Board www.xilinx.com...
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There are 17 I/O banks available on the Virtex-7 device. Fourteen I/O banks are available on the VC709 board, and banks 12, 16, and 18 are not used. The voltages applied to the FPGA I/O banks used by the VC709 board are listed in Table 1-3.
RESET_B AU16 DDR3_B_TEMP_EVENT_B EVENT_B The VC709 DDR3 SODIMM interfaces adhere to the constraints guidelines documented in the DDR3 Design Guidelines section of 7 Series FPGAs Memory Interface Solutions User Guide (UG586) [Ref 3]. The VC709 DDR3 SODIMM interfaces are 40Ω impedance implementations.
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Chapter 1: VC709 Evaluation Board Features fastest configuration method uses the external 80 MHz oscillator connected to the FPGA EMCCLK pin. Multiple bitstreams can be stored in the linear BPI flash. The two most significant address bits (A25, A24) of the flash memory are connected to DIP switch SW11 positions 1 and 2 respectively, and to the RS1 and RS0 pins of the FPGA.
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The configuration section of 7 Series FPGAs Configuration User Guide (UG470) [Ref 2] provides details on the Master BPI configuration mode. Figure 1-4 shows the linear BPI flash memory on the VC709 board. For more details, see the Micron Semiconductor PC28F00AG18FE data sheet. VC709 Evaluation Board www.xilinx.com...
UG887_c1_05_100912 Figure 1-5: JTAG Chain Block Diagram When an FMC mezzanine card is attached to the VC709 HPC connector J35, it is automatically added to the JTAG chain through electronically controlled single-pole single-throw (SPST) switch U27. The SPST switch is in a normally closed state and transitions to an open state when an FMC mezzanine card is attached.
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Chapter 1: VC709 Evaluation Board Features The JTAG circuit details are shown in Figure 1-6. X-Ref Target - Figure 1-6 UG855_c1_06_011013 Figure 1-6: JTAG Circuit www.xilinx.com VC709 Evaluation Board UG887 (v1.2.1) March 11, 2014...
Feature Descriptions Clock Generation The VC709 board provides six clock sources for the FPGA. Table 1-7 lists the source devices for each clock. Table 1-7: VC709 Board Clock Sources Clock Clock Name Description Source SiT9102 2.5V LVDS 200 MHz fixed frequency oscillator (Si Time)
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[Figure 1-2, callout 5] The VC709 board has an LVDS 200 MHz oscillator (U51) soldered onto the back side of the board and wired to an FPGA MRCC clock input on bank 38. This 200 MHz signal pair is named SYSCLK_P and SYSCLK_N, which are connected to FPGA U1 pins H19 and G18 respectively.
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On power-up, the user clock defaults to an output frequency of 156.250 MHz. User applications can change the output frequency within the range of 10 MHz to 810 MHz through an I C interface. Power cycling the VC709 board reverts the user clock to its default frequency of 156.250 MHz. •...
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[Figure 1-2, callout 8] The VC709 board includes a pair of SMA connectors for a GTH clock wired to GTH Quad bank 113. This differential clock has signal names SMA_MGT_REFCLK_P and SMA_REFCLK_N, which are connected to FPGA U1 pins AK8 and AK7 respectively.
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[Figure 1-2, callout 9] The VC709 board includes a Silicon Labs Si5324 jitter attenuator U24 on the back side of the board. FPGA user logic can implement a clock recovery circuit and then output this clock to a differential I/O pair on I/O bank 13 (REC_CLOCK_C_P, FPGA U1 pin AW32 and REC_CLOCK_C_N, FPGA U1 pin AW33) for jitter attenuation.
[Figure 1-2, callout 27] The VC709 board has a LVDS 233.3333 MHz oscillator (U13) soldered onto the back side of the board and wired to an FPGA MRCC clock input on bank 32. This 233.3333 MHz signal pair is named SYSCLK_233_P and SYSCLK_233_N. The P and N signals are connected to FPGA U1 pins AY18 and AY17 respectively.
There is no The VC709 board has a LVCMOS 80 MHz oscillator (U40) soldered onto the board and wired to the FPGA EMCCLK clock input pin AP37 on bank 14. This 80 MHz single-ended signal is named FPGA_EMCCLK.
The GTH transceivers in 7 series FPGAs are grouped into four channels described as Quads. The reference clock for a Quad can be sourced from the Quad above or Quad below the GTH Quad of interest. There are six GTH Quads on the VC709 board with connectivity as shown here: •...
85Ω ±10%. The PCIe clock is routed as a 100Ω differential pair. The 7 series FPGAs GTH transceivers are used for multi-gigabit per second serial interfaces. The XC7VX690T-2FFG1761C FPGA (-2 speed grade) included with the VC709 board supports up to Gen3 x8.
[Ref SFP/SFP+ Module Connectors [Figure 1-2, callout 12] The VC709 board supports four small form-factor pluggable (SFP+) connector and cage assemblies P2–P5 that accept SFP or SFP+ modules. Figure 1-16 shows an example of the SFP+ module connector circuitry replicated for each module.
USB port. The USB cable is supplied in the VC709 evaluation kit (type-A end to host computer, type mini-B end to VC709 board connector J17). The CP2103GM is powered by the USB 5V provided by the host PC when the USB cable is plugged into the USB port on the VC709 board.
The four SFP+ connectors SFP1 (P3), SFP2 (P2), SFP3 (P4), and SFP4 (P5) are addressed through a secondary PCA9546A 1-to-4 channel I C bus switch (U14). The VC709 board I bus topology is shown in Figure 1-17.
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Chapter 1: VC709 Evaluation Board Features X-Ref Target - Figure 1-17 PCA9548 1 2 C 1-to-8 Bus Switch CH0 - USER_CLK_SDL/SCL CH1 - FMC1_HPC_IIC_SDA/SCL FPGA Bank 15 CH2 - Not used (2.5V) CH3 - EEPROM_IIC_SDA/SCL IIC_SDA/SCL_MAIN CH4 - SFP_IIC_SDA/SCL CH5 - Not used...
DDR3 SODIMMs VTT power good User I/O [Figure 1-2, callout 16, 18] The VC709 board provides the following user and general purpose I/O capabilities: • Eight user LEDs (callout 16) • GPIO_LED_[7-0]: DS9, DS8, DS7, DS6, DS5, DS4, DS3, DS2 •...
AV40 CPU_RESET SW8.3 Switches [Figure 1-2, callout 19, 20, and 21] The VC709 board includes a power and a configuration switch: • FPGA_PROG_B , active-Low pushbutton switch SW9 (callout 19) • Configuration mode DIP switch SW11 (callout 20) • Power on/off slide switch SW12 (callout 21)
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[Figure 1-2, callout 21] The VC709 board power switch is SW12. Sliding the switch actuator from the Off to On position applies 12V power from J18, a 6-pin mini-fit connector. Green LED DS16 illuminates when the VC709 board 12V power is on. See Power Management, page 56 details on the onboard power system.
2 GTH clocks • 4 differential clocks • 159 ground and 15 power connections The VC709 board FMC1 HPC connector J35 implements a subset of the maximum signal and clock connectivity capabilities: • 80 differential user-defined pairs: • 34 LA pairs (LA00-LA33) •...
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• 2 differential clocks The FMC1 HPC signals are distributed across GTH Quads 117, 118, and 119. The VC709 board VADJ voltage for the FMC1 HPC (J35) connector is fixed at 1.8V. Signaling speed ratings: • Single-ended: 9 GHz (18 Gb/s) •...
2. FMC1_VIO_B_M2C is a variable voltage but it cannot exceed the fixed VADJ 1.8V value. Power Management [Figure 1-2, callout 26] The VC709 board power distribution diagram is shown in Figure 1-25. The PCB layout and power system have been designed to meet the recommended criteria...
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VCC3V3 0.75V at 3A Max TPS51200 U23 UG887_c1_24_012113 Figure 1-25: Onboard Power Regulators The VC709 board uses power regulators and PMBus compliant digital PWM system controllers from Texas Instrument digital power to supply the core and auxiliary VC709 Evaluation Board www.xilinx.com...
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Chapter 1: VC709 Evaluation Board Features voltages listed in Table 1-21. U10 is an ADP123 linear regulator from Analog Devices. Table 1-21: Onboard Power System Devices Reference Power Rail Power Rail Schematic Device Type Description Designator Net Name Voltage Page...
54) are wired to the same PMBus. The PMBus connector, J5, is provided for use with the TI USB Interface Adapter PMBus pod (TI part number EVM USB-TO-GPIO), which can be ordered from the Texas Instruments Xilinx USB website and the associated TI Fusion Digital Power Designer GUI also downloadable from Texas Instruments fusion tools.
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Chapter 1: VC709 Evaluation Board Features Table 1-23 defines the voltage and current values for each power rail controlled by the UCD9248 PMBus controller at address 53 (U43). Table 1-23: Power Rail Specifications for UCD9248 PMBus Controller at Address 53...
Texas Instruments fusion tools Note: It has been noted that power modules on the VC709 evaluation board that operate at moderate to high current levels (due to a customer design) might generate substantial heat that can result in unexpected power module shutdowns from over-temperature conditions. This then turns off Virtex-7 VC709 Evaluation Kit Master the FPGA on the development board.
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100Ω UG887_c1_25_011013 Figure 1-26: XADC Block Diagram The VC709 board supports both the internal FPGA sensor measurements and the external measurement capabilities of the XADC. Internal measurements of the die temperature, , and V are available. The VC709 board V...
19, 20, 17, 18 shared with other functions because they are required to support 3-state operation. Configuration Options The FPGA on the VC709 board can be configured by the following methods: • Master BPI (uses the linear BPI flash). •...
The VC709 board master Xilinx design constraints (XDC) file template provides for designs targeting the VC709 board. Net names in the constraints listed in this appendix correlate with net names on the latest VC709 board schematic. Users must identify the appropriate pins and replace the net names listed here with net names in the user RTL.
Installation of the VC709 board inside a computer chassis is required when developing or testing PCI Express functionality. When the VC709 board is used inside a computer chassis (that is, plugged in to the PCIe® slot), power is provided from the ATX power supply 4-pin peripheral connector only...
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Caution! Do NOT plug a PC ATX power supply 6-pin connector into J18 on the VC709 board. The ATX 6-pin connector has a different pinout than J18. Connecting an ATX 6-pin connector into J18 may damage the VC709 board and void the board warranty.
Board Specifications Dimensions Height 5.5 inch (14.0 cm) Length 10.5 inch (26.7 cm) Note: The VC709 board height exceeds the standard 4.376 inch (11.15 cm) height of a PCI Express card. Environmental Temperature Operating: 0°C to +45°C Storage: –25°C to +60°C...
Topics include design assistance, advisories, and troubleshooting tips. References The most up to date information related to the VC709 evaluation kit and its documentation is available on these websites: Virtex-7 FPGA VC709 Connectivity Kit...
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UCD9248PFC, PTD08A010W, PTD08A020W, PTD08D021W, LMZ12002, TL1962ADC, TPS51200DR, PCA9548, PCA9546 Texas Instrument digital power Digital power solutions webpage Texas Instruments fusion tools Fusion Digital Power Designer graphical user interface software Texas Instruments Xilinx USB USB to GPIO Interface Adapter) Analog Devices ADP123 www.xilinx.com VC709 Evaluation Board...
This product is designed and tested to conform to the European Union directives and standards described in this section. Refer to the VC709 board master answer record concerning the CE requirements for the PC Test Environment: Virtex-7 VC709 Evaluation Kit Master Answer Record (AR 51901)
This product complies with Directive 2002/95/EC on the restriction of hazardous substances (RoHS) in electrical and electronic equipment. This product complies with CE Directives 2006/95/EC, Low Voltage Directive (LVD) and 2004/108/EC, Electromagnetic Compatibility (EMC) Directive. www.xilinx.com VC709 Evaluation Board UG887 (v1.2.1) March 11, 2014...
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