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Chapter 1 AC701 Evaluation Board Features Overview The AC701 evaluation board for the Artix®-7 FPGA provides a hardware environment for developing and evaluating designs targeting the Artix-7 XC7A200T-2FBG676C FPGA. The AC701 board provides features common to many embedded processing systems, including a DDR3 SODIMM memory, an 4-lane PCI Express®...
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Chapter 1: AC701 Evaluation Board Features • Gen1 4-lane (x4) • Gen2 4-lane (x4) • SFP+ Connector • 10/100/1000 tri-speed Ethernet PHY • USB-to-UART bridge • High-Definition Multimedia Interface (HDMI™) codec • C bus • C MUX • C EEPROM (1 KB) •...
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AC701 Evaluation Kit product page. Caution! The AC701 board can be damaged by electrostatic discharge (ESD). Follow standard ESD prevention measures when handling the board X-Ref Target - Figure 1-1 1 GB DDR3 Memory...
Chapter 1: AC701 Evaluation Board Features Feature Descriptions Figure 1-2 shows the AC701 board. Each numbered feature that is referenced in Figure 1-2 is described in the sections that follow. Note: Figure 1-2 The image in is for reference only and might not reflect the current revision of the board.
For further information on Artix-7 FPGAs, see DS180 , 7 Series FPGAs Overview FPGA Configuration The AC701 board supports two of the five 7 series FPGA configuration modes: • Master SPI using the on-board Quad SPI Flash memory • JTAG using a standard-A to micro-B USB cable for connecting the host PC to the...
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For full details on configuring the FPGA, see UG470, 7 Series FPGAs Configuration User Guide Encryption Key Backup Circuit FPGA U1 implements bitstream encryption key technology. The AC701 board provides the encryption key backup battery circuit shown in Figure 1-4. The rechargeable 1.5V lithium button-type battery B1 is soldered to the board with the positive output connected to FPGA U1 VCCBATT pin G14.
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Figure 1-4: Encryption Key Backup Circuit I/O Voltage Rails In addition to Bank 0, there are 8 I/O banks available on the Artix-7 device. The voltages applied to the FPGA I/O banks used by the AC701 board are listed in Table 1-3.
Chapter 1: AC701 Evaluation Board Features DDR3 Memory Module [Figure 1-2, callout 2] The memory module at J1 is a 1 GB DDR3 small outline dual-inline memory module (SODIMM). It provides volatile synchronous dynamic random access memory (SDRAM) for storing user code and data. The SODIMM socket has a perforated EMI shield...
The AC701 board DDR3 memory interface adheres to the constraints guidelines documented in the DDR3 Design Guidelines section of UG586, 7 Series FPGAs Memory Interface Solutions User Guide. The AC701 board DDR3 memory interface is a 40Ω impedance implementation. Other memory interface details are available in...
The configuration section of UG470, 7 Series FPGAs Configuration User Guide provides details on using the Quad-SPI Flash memory. Figure 1-5 shows the connections of the Quad-SPI Flash memory on the AC701 board. For more details, see the Micron N25Q256A13ESF40G data sheet [Ref X-Ref Target - Figure 1-5...
[Figure 1-2, callout 4] The AC701 board includes a secure digital input/output (SDIO) interface to provide user-logic access to general purpose non-volatile SDIO memory cards and peripherals. The SD card slot is designed to support 50 MHz high speed SD cards.
(host side) to micro-B plug (AC701 board side) USB cable. A 2-mm JTAG header (J4) is also provided in parallel for access by Xilinx download cables such as the Platform Cable USB II and the Parallel Cable IV.
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Chapter 1: AC701 Evaluation Board Features When an FMC daughter card is attached to the AC701 board it is automatically added to the JTAG chain through electronically controlled single-pole single-throw (SPST) switches U27. The SPST switch is in a normally closed state and transitions to an open state when an FMC daughter card is attached.
Feature Descriptions Clock Generation There are three clock sources available for the FPGA logic on the AC701 board (refer to Table 1-8). Table 1-8: AC701 Board Clock Sources Clock Name Reference Description System Clock SiT9102 2.5V LVDS 200 MHz Fixed Frequency Oscillator (Si Time).
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[Figure 1-2, callout 6] The AC701 board has a 2.5V LVDS differential 200 MHz oscillator (U51) soldered onto the back side of the board and wired to an FPGA MRCC clock input on bank 34. This 200 MHz signal pair is named SYSCLK_P and SYSCLK_N, which are connected to FPGA U1 pins R3 and P3 respectively.
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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 AC701 board will revert the user clock to its default frequency of 156.250 MHz. •...
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VCCO_VADJ rail is typically 2.5V but can be reprogrammed to be either 1.8V or 3.3V. The USER_SMA_CLOCK_P/N signals should not exceed the VCCO_VADJ voltage (1.8V, 2.5V or 3.3V) in use. X-Ref Target - Figure 1-13 USER_SMA_CLOCK_P Connector USER_SMA_CLOCK_N Connector UG952_c1_12_100212 Figure 1-13: User SMA Clock Source AC701 Evaluation Board www.xilinx.com UG952 (v1.2) August 28, 2013...
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Chapter 1: AC701 Evaluation Board Features GTP Clock MUX The AC701 board FPGA U1 MGT Bank 213 has two clock inputs, MGTREFCLK0 and MGTREFCLK1. Each clock input is driven by a capacitively-coupled clock sourced from a SY9544UMG 4-to-1 MUX. Each MUX has a clock source at three of its four inputs, the fourth input is not connected.
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[Figure 1-2, callout 9] The AC701 board includes a pair of SMA connectors for a GTP clock that are wired to GTP quad bank 213 via clock MUX U4. This differential clock has signal names SMA_MGT_REFCLK_P and SMA_REFCLK_N, which are connected to MGT clock MUX U4 input 0 pins 4 and 2 respectively.
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[Figure 1-2, callout 10] The AC701 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 16 (REC_CLOCK_C_P, FPGA U1 pin D23 and REC_CLOCK_C_N, FPGA U1 pin D24) for jitter attenuation.
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PCIE_MGT_CLK_SEL1 is wired to FPGA U1 pin C26 and PCIE_MGT_CLK_SEL0 is wired to FPGA U1 pin A24 on FPGA U1 Bank 16. The U3 MUX circuit is shown in Figure 1-17. The U4 MUX circuit is shown in Figure 1-18. AC701 Evaluation Board www.xilinx.com UG952 (v1.2) August 28, 2013...
The GTP 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 GTP Quad of interest. There are two GTP Quads on the AC701 board with connectivity as shown here: •...
85Ω ±10%. The PCIe clock is routed as a 100Ω differential pair. The 7 series FPGAs GTP transceivers are used for multi-gigabit per second serial interfaces. The XC7A200T-2FBG676C FPGA (-2 speed grade) included with the AC701 board supports up to Gen2 x4. www.xilinx.com AC701 Evaluation Board UG952 (v1.2) August 28, 2013...
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PCIe edge connector connections. For more information refer to UG476, 7 Series FPGAs GTP Transceivers User Guide and UG477 7 Series FPGAs Integrated Block for PCI Express User Guide (AXI). AC701 Evaluation Board www.xilinx.com UG952 (v1.2) August 28, 2013...
Chapter 1: AC701 Evaluation Board Features SFP/SFP+ Connector [Figure 1-2, callout 13] The AC701 board contains a small form-factor pluggable (SFP+) connector and cage assembly (P3) that accepts SFP or SFP+ modules. Figure 1-21 shows the SFP+ module connector circuitry.
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SFP_RS1 Jumper J39 Jumper Pins 1-2 = Full TX Bandwidth Jumper Pins 2-3 = Reduced TX Bandwidth SFP_LOS Test Point J20 High = Loss of Receiver Signal Low = Normal Operation AC701 Evaluation Board www.xilinx.com UG952 (v1.2) August 28, 2013...
[Figure 1-2, callout 14] The AC701 board uses the Marvell Alaska PHY device (88E1116R) at U12 for Ethernet communications at 10 Mb/s, 100 Mb/s, or 1,000 Mb/s. The board supports RGMII mode only. The PHY connection to a user-provided ethernet cable is through a Halo HFJ11-1G01E RJ-45 connector (P4) with built-in magnetics.
Chapter 1: AC701 Evaluation Board Features Ethernet PHY Clock Source A 25.00 MHz, 50 ppm crystal at X1 is the clock source for the 88E1116R PHY at U12. Figure 1-22 shows the clock source. X-Ref Target - Figure 1-22 C406 18pF 50V 25.00 MHz...
USB cable is plugged into the USB port on the AC701 board. Xilinx UART IP is expected to be implemented in the FPGA logic. The FPGA supports the USB-to-UART bridge using four signal pins: Transmit (TX), Receive (RX), Request to Send (RTS), and Clear to Send (CTS).
[Figure 1-2, callout 17] The AC701 board provides a HDMI video output using the Analog Devices ADV7511KSTZ-P HDMI transmitter (U48). The HDMI output is provided on a Molex 500254-1927 HDMI type-A connector (P2). The ADV7511 is wired to support 1080P 60Hz, YCbCr 4:4:4 encoding via 24-bit input data mapping.
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Chapter 1: AC701 Evaluation Board Features Table 1-19 lists the connections between the codec and the FPGA. Table 1-19: FPGA to HDMI Codec Connections (ADV7511) ADV7511 (U48) FPGA Pin (U1) Schematic Net Name Name AA24 HDMI_R_D4 HDMI_R_D5 HDMI_R_D6 HDMI_R_D7 HDMI_R_D8...
Information about the ADV7511 is available on the Analog Devices website [Ref LCD Character Display [Figure 1-2, callout 18] A 2-line by 16-character display is provided on the AC701 board (Figure 1-25). X-Ref Target - Figure 1-25 LCD Display (16 x 2)
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UG952_c1_25_100312 Figure 1-26: LCD Interface Circuit The AC701 board base board uses a male Samtec MTLW-107-07-G-D-265 2x7 header (J23) with 0.025-inch square posts on 0.100-inch centers for connecting to a Samtec SLW-107-01-L-D female socket on the LCD display panel assembly. The LCD header...
C Bus Switch [Figure 1-2, callout 19] The AC701 board implements a single I C port on FPGA Bank 14 (IIC_SDA_MAIN, FPGA pin K25 and IIC_SCL_MAIN, FPGA pin N18), which is routed through a Texas Instruments PCA9548 1-to-8 channel I C switch (U52).
IIC_SDA/SCL_DDR3 0b1010000, 0b0011000 SI5324_SDA/SCL 0b1101000 Information about the PCA9548 is available on the TI Semiconductor website [Ref AC701 Board LEDs Table 1-23 lists all LEDs on the AC701 board. Table 1-23: AC701 Board LEDs Reference Schematic Description Notes Designator Page...
1. The Lumex SML-LX0603GW LED is Green User I/O [Figure 1-2, callout - 25] The AC701 board provides the following user and general purpose I/O capabilities: • Four user GPIO LEDs (callout 21) • GPIO_LED_[3-0]: DS5, DS4, DS3, DS2 •...
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Chapter 1: AC701 Evaluation Board Features User GPIO LEDs [Figure 1-2, callout 21] Figure 1-29 shows the user LED circuits. X-Ref Target - Figure 1-29 GPIO_LED_0 GPIO_LED_1 GPIO_LED_2 GPIO_LED_3 R150 R149 R148 R147 49.9Ω 49.9Ω 49.9Ω 49.9Ω UG952_c1_28_100312 Figure 1-29: User LEDs...
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X-Ref Target - Figure 1-33 SW10 VCC3V3 EVQ-WK4001 Edge-Drive Jog Encoder ROTARY INCB ROTARY PUSH SW1B SW1A ROTARY INCA 4.7kΩ 4.7kΩ 4.7kΩ 0.1 W 0.1 W 0.1 W UG952_c1_141_011813 Figure 1-33: User Rotary Switch Circuit AC701 Evaluation Board www.xilinx.com UG952 (v1.2) August 28, 2013...
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Chapter 1: AC701 Evaluation Board Features User SMA Connectors [Figure 1-2, callout 25] Figure 1-34 shows the user SMA connector circuit. X-Ref Target - Figure 1-34 USER_SMA_GPIO_P Connector USER_SMA_GPIO_N Connector UG952_c1_142_011813 Figure 1-34: User SMA Connector LCD Connector Figure 1-35 shows the LCD J23 2x7 male pin header circuit.
[Figure 1-2, callout 26] The AC701 board power switch is SW15. Sliding the switch actuator from the Off to On position applies 12V power from J49, a 6-pin mini-fit connector. Green LED DS22 illuminates when the AC701 board power is on. See...
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The AC701 Evaluation Kit provides the adapter cable shown in Figure 1-38 for powering the AC701 board from the ATX power supply 4-pin peripheral connector. The Xilinx part number for this cable is 2600304, and is equivalent to Sourcegate Technologies part number AZCBL-WH-1109-RA4.
Chapter 1: AC701 Evaluation Board Features Configuration Mode Switch SW1 The AC701 board supports two of the five 7 series FPGA configuration modes: • Master SPI using the on-board Quad SPI flash memory • JTAG using a standard-A to micro-B USB cable for connecting the host PC to the...
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2 differential clocks • 159 ground and 15 power connections Note: The AC701 board VADJ voltage for HPC connector J30 is determined by the FMC VADJ power sequencing logic described in Power Management, page Table 1-26: HPC Connections, J30 to FPGA U1...
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Chapter 1: AC701 Evaluation Board Features Table 1-26: HPC Connections, J30 to FPGA U1 (Cont’d) J30 FMC U1 FPGA J30 FMC U1 FPGA Schematic Net Name Schematic Net Name HPC Pin HPC Pin FMC1_HPC_DP1_C2M_P FMC1_HPC_GBTCLK1_M2C_N U4.25 FMC1_HPC_DP1_C2M_N FMC1_HPC_DP0_C2M_P CTRL2_PWRGOOD FMC1_HPC_DP0_C2M_N FMC1_HPC_GBTCLK0_M2C_P U3.27...
FMC1_HPC_HA23_N FMC1_VIO_B_M2C FMC1_VIO_B_M2C AC701 Board Power System The AC701 board hosts a power system based on the Texas Instruments (TI) UCD90120A power supply sequencer and monitor, and the TPS84K and LMZ22000 family voltage regulators. UCD90120A Description The UCD90120A is a 12-rail PMBus/I C addressable power-supply sequencer and monitor.
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The sync input allows synchronization over the 314 kHz to 600 kHz switching frequency range and up to 6 modules can be connected in parallel for higher load currents. Table 1-27 shows the AC701 board power system configuration for controller U8. Table 1-27: Controller U8 Power System Configuration Schematic Sequencer...
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CS = 0V-2.03V ADC (In) Notes: 1. Capacitors labled C f are bulk filter capacitors. 2. Voltage Sense is connected at point of load. UG952_c1_137_011513 Figure 1-41: U8 Controller #1 UCD90120A Power System AC701 Evaluation Board www.xilinx.com UG952 (v1.2) August 28, 2013...
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Chapter 1: AC701 Evaluation Board Features Table 1-28 shows the AC701 TI power system configuration for controller U9. Table 1-28: Controller U9 Power System Configuration Schematic Sequencer Regulator Type Voltage Current Page Page Contents Net Name UCD90120A #2 Addr 102, Rail 1...
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GPIO (Out) PWM Margin FPWM (Out) G = 268.4 Current Sense MGTAVTT ADC (In) 0A-1.5A Voltage Sense CS = 0V-2.02V ADC (In) UG952_c1_138_011513 Figure 1-42: U9 Controller #2 UCD90120A Power System AC701 Evaluation Board www.xilinx.com UG952 (v1.2) August 28, 2013...
The TPS84K and LMZ22000 family adjustable voltage regulators have their output voltage set by an external resistor. The regulator topology on the AC701 board permits the UCD90120A to monitor rail voltage and current. Voltage margining at +5% and -5% is also implemented.
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3.01 K Notes: FPGA_3V3_XADC_P 1.._XADC_P/N =Remote voltage sense. (3.3V Scaled to 0.825V) 2.._XADC_CS_P/N = Current Sense from op amp. 1.00 K FPGA_3V3_XADC_N UG952_c1_139_011813 Figure 1-43: XADC External Multiplexer Block Diagram AC701 Evaluation Board www.xilinx.com UG952 (v1.2) August 28, 2013...
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Chapter 1: AC701 Evaluation Board Features See Tables Table 1-29 Table 1-30 which list the AC701 board XADC power system voltage and current measurement details for the external muxes U14 and U13. Table 1-29: XADC Measurements through Mux U14 Op Amp...
[Figure 1-2, callout 30] The AC701 board uses power regulators and PMBus compliant system controllers from Texas Instruments to supply core and auxiliary voltages. The Texas Instruments Fusion Digital Power graphical user interface is used to monitor the voltage and current levels of the board power modules.
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1.7V–2.0V at 300 mA 1.5V/2=0.75V REFIN VTTDDR Source/Sink Regulator 3.3V POWER 0.75V at 3A 1.5V/2=0.75V REFIN DDR3_VTERM Switching Regulator 3.3V POWER 0.75V at 3A UG952_c1_37_100512 Figure 1-44: AC701 Board Onboard Power Regulators www.xilinx.com AC701 Evaluation Board UG952 (v1.2) August 28, 2013...
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Feature Descriptions The AC701 board core and auxiliary voltages are listed in Table 1-25. Table 1-31: AC701 Board Onboard Power System Devices Reference Power Rail Net Power Rail Schematic Device Type Description Designator Name Voltage Page UCD90120A PMBus Controller - PMBus Addr = 101...
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A jumper installed at J8 is the default setting. If a jumper is not installed on J8 at power-on, the signal FMC_VADJ_ON_B is high and the AC701 board will not energize the VCCO_VADJ 2.5V power. Installing a jumper at J8 after the AC701 board powers up in this mode will turn on the VCCO_VADJ rail. www.xilinx.com AC701 Evaluation Board UG952 (v1.2) August 28, 2013...
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VCCO_VADJ rail to be set to 1.8V or 3.3V instead of the default setting of 2.5V. Refer to AC701 board schematic page 46 for a brief discussion concerning selectable VCCO_VADJ voltages. The important controller-to-regulator circuit signals are VCCO_VADJ_EN and FMC_ADJ_SEL[1:0].
Chapter 1: AC701 Evaluation Board Features X-Ref Target - Figure 1-45 VCC12_P R245 R393 10.0K 1% 10.0K 1% 1/10W 1/10W SM_FAN_TACH FPGA Fan Tach U1 Pin J25 Cooling Fan +12V R390 2.7V 4.75K 1% Fan GND 500 mW 100V 1/10W...
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UG952_c1_39_101612 Figure 1-46: Header XADC_VREF Voltage Source Options The AC701 board supports both the internal FPGA sensor measurements and the external measurement capabilities of the XADC. Internal measurements of the die temperature, VCCINT, VCCAUX, and VCCBRAM are available. The AC701 board VCCINT and VCCBRAM are provided by a common 1.0 V supply.
Configuration Options Configuration Options The FPGA on the AC701 board can be configured using these methods: • Master SPI (uses the Quad-SPI Flash U7). • JTAG (uses the U26 Digilent USB-to-JTAG Bridge or J4 Download Cable connector). USB JTAG Module, page 19 for more information.
Figure B-1 shows the pinout of the FPGA mezzanine card (FMC) high pin count (HPC) connector defined by the VITA 57.1 FMC specification. For a description of how the AC701 board implements the FMC specification, see FPGA Mezzanine Card Interface, page 56...
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Appendix B: VITA 57.1 FMC Connector Pinouts www.xilinx.com AC701 Evaluation Board UG952 (v1.2) August 28, 2013...
Appendix C Master Constraints File Listing TheAC701 board master Xilinx® design constraints (XDC) file template provides for designs targeting the AC701 board. Net names in the constraints listed in the AC701 Board XDC File Listing correlate with net names on the AC701 board schematic. Users must identify the appropriate pins and replace the net names in this list with net names in the user RTL.
Figure D-1: Plug the 6-pin 2 x 3 Molex connector on the adapter cable into J49 on the AC701 board. b. Plug the 4-pin 1 x 4 peripheral power connector from the ATX power supply into the 4-pin adapter cable connector.
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Appendix D: Board Setup Slide the AC701 board power switch SW15 to the ON position. The PC can now be powered on. www.xilinx.com AC701 Evaluation Board UG952 (v1.2) August 28, 2013...
Board Specifications Dimensions Height 5.5 in (14.0 cm) Length 10.5 in (26.7 cm) Note: The AC701 board height exceeds the standard 4.376 in (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. Further Resources The most up to date information related to the AC701 board and its documentation is available on the following websites. Artix-7 FPGA AC701 Evaluation Kit website...
Appendix F: Additional Resources AC701 Si570 Fixed Frequencies (XTP229) References Documents associated with other devices used by the AC701 board are available at these vendor websites: Analog Devices: www.analog.com/en/index (ADV7511KSTZ-P) Integrated Device Technology: www.idt.com (ICS844021I) Marvell Semiconductor: www.marvell.com (88E1116R) Micron Semiconductor: www.micron.com...
This product is designed and tested to conform to the European Union directives and standards described in this section. Refer to the Artix-7 FPGA AC701 Evaluation Kit Master Answer Record (AR 51900) concerning the CE requirements for the PC Test Environment. Declaration of Conformity To view the declaration of conformity online, visit: www.xilinx.com/support/documentation/boards_and_kits/ce-declarations-...
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 AC701 Evaluation Board UG952 (v1.2) August 28, 2013...
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