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Digilent Zybo Z7-10 Reference Manual

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Zybo Z7 Board Reference Manual
Revised February 21, 2018
This manual applies to the Zybo Z7 rev. B

Table of Contents

Overview ............................................................................................................................... 3
Purchasing Options ................................................................................................................ 5
Software Support .................................................................................................................. 6
Zynq APSoC Architecture ....................................................................................................... 6
Functional Description ........................................................................................................... 9
1
Power Supplies .............................................................................................................. 9
1.1
Power Input Sources ........................................................................................................ 9
1.2
Power Specifications ...................................................................................................... 10
1.3
Power Sequencing .......................................................................................................... 11
1.4
Current Monitoring ........................................................................................................ 11
2
Zynq Configuration ...................................................................................................... 12
Stage 0 ....................................................................................................................................... 12
Stage 1 ....................................................................................................................................... 12
Stage 2 ....................................................................................................................................... 12
2.1
microSD Boot Mode ....................................................................................................... 13
2.2
Quad SPI Boot Mode ...................................................................................................... 13
2.3
JTAG Boot Mode ............................................................................................................. 13
3
DDR3L Memory ............................................................................................................ 14
4
Quad-SPI Flash ............................................................................................................. 14
Revision B
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Copyright Digilent, Inc. All rights reserved.
Other product and company names mentioned may be trademarks of their respective owners.
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509.334.6306
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Summary of Contents for Digilent Zybo Z7-10

  • Page 1: Table Of Contents

    Quad SPI Boot Mode ...................... 13 JTAG Boot Mode ......................13 DDR3L Memory ......................14 Quad-SPI Flash ......................14 Copyright Digilent, Inc. All rights reserved. Revision B Page 1 of 31 Other product and company names mentioned may be trademarks of their respective owners.
  • Page 2 MIO Pmod ........................30 16.3 Dual Analog/Digital Pmod (XADC Pmod) ................30 16.4 High-Speed Pmod ....................... 31 Copyright Digilent, Inc. All rights reserved. Page 2 of 31 Other product and company names mentioned may be trademarks of their respective owners. Arrow.com.

  • Page 3: Overview

    The designs are very similar, however the Zybo Z7 adds several features and performance improvements. To assist in migrating from the Zybo to the Zybo Z7, Digilent has created a migration guide, available on the Zybo Z7 Resource Center.
  • Page 4 XADC Pmod port Zynq-7000 Audio codec ports DDR3L Memory * denotes difference between Z7-10 and Z7-20. Copyright Digilent, Inc. All rights reserved. Page 4 of 31 Other product and company names mentioned may be trademarks of their respective owners. Arrow.com. Arrow.com.

  • Page 5: Purchasing Options

    -20 has about a 3 times larger internal FPGA than the -10. Also, The Zynq-7010 has slightly fewer FPGA attached pins than the Zynq-7020, which means several features found on the Zybo Z7-20 are not available on the Zybo Z7-10. The differences between the two variants are summarized below:...

  • Page 6: Software Support

    Those familiar with the older Xilinx ISE/EDK toolsets from before Vivado was released can also choose to use the Zybo Z7 in that tool set. Digilent does not provide materials to support this, but you can always ask for help on Digilent Forum.
  • Page 7 PS to work with these peripherals. It is also possible to use the example projects found on the resource center as a starting point for your own designs. Copyright Digilent, Inc. All rights reserved. Page 7 of 31 Other product and company names mentioned may be trademarks of their respective owners.
  • Page 8 RXCTL DATA4 DATA0 DATA1 DATA2 DATA3 DATA5 DATA6 DATA7 CCLK Copyright Digilent, Inc. All rights reserved. Page 8 of 31 Other product and company names mentioned may be trademarks of their respective owners. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com.

  • Page 9: Functional Description

    USB, wall wart supply with barrel jack, and battery pack. Figure 1.1 depicts all three, and a diagram on the board silkscreen does as well. Copyright Digilent, Inc. All rights reserved. Page 9 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 10: Power Specifications

    (J17), set jumper JP6 to “WALL”, and then set SW4 to “ON”. Suitable supplies can be purchased from the Digilent website or Digilent distributors, as well as popular electronics vendors. An external power source, such as a battery pack, that does not have a suitable barrel jack connector can still be used by wiring it’s positive terminal to the center pin of JP6 and the negative terminal to the pin labeled J16 next...

  • Page 11: Power Sequencing

    16-bit value obtained directly from the XADC registers with this equation; it needs to be right-shifted by four in order to ignore the four least significant bits. Copyright Digilent, Inc. All rights reserved. Page 11 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 12: Zynq Configuration

    Mode jumper (JP5), which affects the state of the Zynq configuration pins after power-on. Figure 2.1 depicts how the Zynq configuration pins are connected on the Zybo Z7. Copyright Digilent, Inc. All rights reserved. Page 12 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 13: Microsd Boot Mode

    It is also possible to directly configure the PL over JTAG, independent of the processor. This can be done using the Vivado Hardware Server. Copyright Digilent, Inc. All rights reserved. Page 13 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 14: Ddr3L Memory

    The Zybo Z7 features a Spansion S25FL128S 4-bit Quad-SPI serial NOR flash. The key device attributes are: • Part number S25FL128S Copyright Digilent, Inc. All rights reserved. Page 14 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 15: Oscillators/Clocks

    MMCMs and PLLs. For a full description of the capabilities of the Zynq PL clocking resources, refer to the “7 Series FPGAs Clocking Resources User Guide” available from Xilinx. Copyright Digilent, Inc. All rights reserved. Page 15 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 16: Reset Sources

    For example, the previous break points set by the user remain valid after system reset. Due to security concerns, system reset erases all memory content within the PS, including the On-Chip-Memory (OCM). Copyright Digilent, Inc. All rights reserved. Page 16 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 17: Usb-Uart Bridge (Serial Port)

    LED (LD10). Signal names that imply direction are from the point-of-view of the DTE (Data Terminal Equipment), in this case the PC. The FT2232HQ is also used as the controller for the Digilent USB-JTAG circuitry, but the USB-UART and USB-JTAG functions behave entirely independent of one another. Programmers interested in using the UART functionality of the FT2232 within their design do not need to worry about the JTAG circuitry interfering with the UART data transfers, and vice-versa.
  • Page 18 /dev/mmcblk0. See the Petalinux and Xilinx SDK documentation for more information. Copyright Digilent, Inc. All rights reserved. Page 18 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 19: Usb Host/Otg

    If there is an Ethernet-capable partner connected, the PHY automatically establishes a link with it, even with the Zynq not configured. Copyright Digilent, Inc. All rights reserved. Page 19 of 31 Other product and company names mentioned may be trademarks of their respective owners.
  • Page 20 RTL8211E-VL is capable of inserting a 2ns delay on both the TXC and RXC so that board traces do not need to be made longer. Copyright Digilent, Inc. All rights reserved. Page 20 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 21: Hdmi

    I2C bus, a Hot Plug Detect (HPD) signal, a 5V signal capable of delivering up to 50mA, and one reserved (RES) pin. All non-power signals are wired to the Zynq PL with the exception of RES, and the CEC bus of the HDMI RX port on the Zybo Z7-10 (it is connected on the Zybo Z7-20). Pin/Signal...

  • Page 22: Tmds Signals

    Microphone In Mono Pink Line In Stereo Light Blue Table 12.1. Analog audio signals. Copyright Digilent, Inc. All rights reserved. Page 22 of 31 Other product and company names mentioned may be trademarks of their respective owners. Arrow.com. Arrow.com. Arrow.com. Arrow.com.
  • Page 23 To use the audio codec in a design with non-default settings, it needs to be configured over I2C. The audio path needs to be established by configuring the (de)multiplexers and amplifiers in the codec. Some digital processing Copyright Digilent, Inc. All rights reserved. Page 23 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 24: Basic I/O

    The Zybo Z7 board includes four slide switches, four push-buttons, four individual LEDs, and two tri-color LEDs connected to the Zynq PL, as shown in Figure 13.1 (the Zybo Z7-10 only has one tri-color LED). There are also two pushbuttons and one LED connected directly to the PS via MIO pins, also shown in Figure 13.1. The push-buttons...

  • Page 25: Fan

    LED will emit a purple color. Note: Digilent strongly recommends the use of pulse-width modulation (PWM) when driving the tri-color LEDs. Driving any of the inputs to a steady logic ‘1’ will result in the LED being illuminated at an uncomfortably bright level.

  • Page 26: Pcam Port

    The fan connector is not loaded on the Zybo Z7-10 because additional cooling is typically not needed with the fewer available FPGA resources.
  • Page 27 Zybo Z7 Board Reference Manual Copyright Digilent, Inc. All rights reserved. Page 27 of 31 Other product and company names mentioned may be trademarks of their respective owners. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com.
  • Page 28 5. Gently press down on both sides of the off-white colored tab to latch the FFC into the connector. 6. The FFC is now connected properly. Figure 15.2. Attaching a Pcam. Copyright Digilent, Inc. All rights reserved. Page 28 of 31 Other product and company names mentioned may be trademarks of their respective owners.

  • Page 29: Pmod Ports

    “Power supplies” section). Figure 16.1. Pmod port. Digilent produces a large collection of Pmod accessory boards that can attach to the Pmod ports to add ready- made functions like A/D’s, D/A’s, motor drivers, sensors, and other functions. See digilentinc.com...

  • Page 30: Standard Pmod

    MIO-14 Pin 10 MIO-15 *Pmod JB is not available on the Zybo Z7-10 Table 16.1. Zybo Z7 Pmod Pinout 16.1 Standard Pmod The standard Pmod ports are connected to the Zynq PL via 200 Ohm series resistors. The series resistors prevent short circuits that can occur if the user accidentally drives a signal that is supposed to be used as an input.

  • Page 31: High-Speed Pmod

    Since the High-Speed Pmods have 0-ohm shunts instead of protection resistors, the operator must take precaution to ensure that they do not cause any shorts. Copyright Digilent, Inc. All rights reserved. Page 31 of 31 Other product and company names mentioned may be trademarks of their respective owners.

This manual is also suitable for:

Zybo z7-20Xc7z010-1clg400cXc7z020-1clg400cZybo z7

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