Z7-Nano Reference Manual

[中文]

Development Environment

Vivado 2018.3 is from Xilinx website

https://www.xilinx.com

WeChat Public Number

../../_images/Wechat17.png

●1. Overview

​ Z7 Nano is a development board based on Xilinx Zynq-7000 SoCs (XC7Z010 or XC7Z020) with up to 4Gb of DDR3/L SDRAM, 128MB of SPI flash memory, Gigabit Ethernet PHY transceiver, a USB PHY transceiver and a simple way to provide power. And it is available in commercial (XC7Z010、XC7Z020) and industrial (XC7Z020) versions, with customizable variants available upon request，customised requirements may be subject to minimum order quantities, please contact our sales team for more information: sales@microphase.cn.

​ It is suitable for software verification and hardware development, helping to accelerate project progress.

○Board Layout

../../_images/Z7NANO_BOARD_LAYOUT.png

○Key Features

  • Xilinx Zynq™ XC7Z010-1CLG400C (7010 Version Only),
    Xilinx Zynq™ XC7Z020-2CLG400C (7020 Version Only)

  • DDR3: 1 4Gbit, DDR3. (MT41J256M16HA-125:K or equivalent)

  • KEY: 1 user’s key, which is controlled by PL.

  • LED: 2 user’s LEDs, 1 PS control, 1 PL control.

  • GPIO: 2 40-pin expansion ports (2.54mm pitch), 72 IOs of 3.3V voltage.

  • USB JTAG: 1 on-board JTAG circuit, can debug and download the ZYNQ system through a USB cable.

  • HDMI: 1 HDMI video output interface, can realize 1080P video image

  • PHY ETH: 2 10/100/1000M Ethernet RJ45 interface, which can be used for Ethernet data exchange or other applications.
             1 PS control, 1 PL control.

  • USB Host: 1 USB Host.

  • SD Card: 1 SD Card is provided to store the operating system image and file system.

  • USB UART:1 USB UART interface, used for serial communication with PC.

  • CLOCK: 1 33.33Mhz active crystal oscillator provides a stable clock for the PS system.
            1 50Mhz active crystal oscillator provides additional clocks for the PL logic.

○Block diagram

../../_images/Z7_NANO-BLOCK_DIAGRAM.png

○Mechanical Spec

../../_images/Z7NANO_MECH.jpg

●2. Function Resources

○FPGA

  • 667 MHz dual-core Cortex-A9 processor

  • DDR3L memory controller with 8 DMA channels and 4

  • High-Performance AXI3 Slave ports

  • High-bandwidth peripheral controllers: 1G Ethernet, USB 2.0, SDIO

  • Low-bandwidth peripheral controllers: SPI, UART, CAN, I2C

  • Programmable from JTAG, Quad-SPI flash, and microSD card

  • Programmable logic equivalent to Artix-7 FPGA

    LUTs: 17,600 (7010)
         53,200(7020)
    DSP Slices: 80 (7010)
              220 (7020)
    Logic Cells: 28K (7010)
              85K(7020)
    Flip-Flops: 35,200 (7010)
             106,400 (7020)
    Total Block RAM: 2.1Mb (7010)
                    4.9Mb (7020)

  • Analog Mixed Signal (AMS) / XADC: 2x 12 bit, MSPS ADCs with up to 17 Differential Inputs

  • Security: AES & SHA 256b Decryption & Authentication for Secure Programmable Logic Config

○DDR3

​ One on-board 16bit 512M DDR3/L SDRAM chips.

Position Model Capacity Factory
U4 MT41K256M16 256M x 16bit Micron
Signal Name PIN Number Signal Name PIN Number
PS_DDR3_A0 N2 PS_DDR3_D0 C3
PS_DDR3_A1 K2 PS_DDR3_D1 B3
PS_DDR3_A2 M3 PS_DDR3_D2 A2
PS_DDR3_A3 K3 PS_DDR3_D3 A4
PS_DDR3_A4 M4 PS_DDR3_D4 D3
PS_DDR3_A5 L1 PS_DDR3_D5 D1
PS_DDR3_A6 L4 PS_DDR3_D6 C1
PS_DDR3_A7 K4 PS_DDR3_D7 E1
PS_DDR3_A8 K1 PS_DDR3_D8 E2
PS_DDR3_A9 J4 PS_DDR3_D9 E3
PS_DDR3_A10 F5 PS_DDR3_D10 G3
PS_DDR3_A11 G4 PS_DDR3_D11 H3
PS_DDR3_A12 E4 PS_DDR3_D12 J3
PS_DDR3_A13 D4 PS_DDR3_D13 H2
PS_DDR3_A14 F4 PS_DDR3_D14 H1
PS_DDR3_BA0 L5 PS_DDR3_D15 J1
PS_DDR3_BA1 R4 PS_DDR3_DQS_N0 B2
PS_DDR3_BA2 J5 PS_DDR3_DQS_N1 F2
PS_DDR3_NCAS P5 PS_DDR3_DQS_P0 C2
PS_DDR3_CKE N3 PS_DDR3_DQS_P1 G2
PS_DDR3_CLK_N M2 PS_DDR3_NRST B4
PS_DDR3_CLK_P L2 PS_DDR3_ODT N5
PS_DDR3_NCS N1 PS_DDR3_NRAS P4
PS_DDR3_DM0 A1 PS_DDR3_NWE M5
PS_DDR3_DM1 F1

○Giga ETH

​ The RTL8211F chip supports a 10/100/1000M network transfer rate and communicates with the MAC layer of the Zynq7000 PS system via the RGMII interface. It also supports MDI/MDX adaptation, multiple speed adaptation, master/slave adaptation, and MDIO bus support for PHY register management.

○USB Host

​ The USB 2.0 transceiver on-board is the USB3320C-EZK, which supports the ULPI standard interface. It’s connected with ZYNQ’s bus interface to enable high-speed USB2.0 Host mode data communications.

../../_images/USB_HOST.png

○USB UART

​ A USB to UART chip, the CH340, is provided for user connection to the host PC.

Signal Name Pin Name Pin Number Explain
UART_TX PS_MIO15_500 C8 UART data output
UART_RX PS_MIO14_500 C5 UART data output

○USB JTAG

​ We have incorporated the JTAG download and debug circuitry into the board, enabling users to develop and debug ZYNQ through a USB cable.

○Boot Config

​ The Z7-Nano startup settings include JTAG, QSPI and SD modes, which are controlled by the MODE input signal from the J1. The user has the option to change mode through the jumper cap. The startup mode is configured as shown in the table below.

../../_images/BOOTMODE2.png

○Quad-SPI Flash

​ On-board 128M Quad-SPI Flash memory W25Q128JVSIQ is used to store initial FPGA configuration and user’s application as well as data.

Position Model Capacity Factory
U2 W25Q128JVSIQ 128M Byte Winbond

○Clock

​ One 33.33Mhz active crystal oscillator provides a stable clock for the PS system. The other 50Mhz active crystal oscillator provides additional clocks for the PL logic.

Position Signal Name Frequency Pin Number
Y1 PS_CLK_33d3 33.333Mhz E7
U3 PL_CLK_50M 50Mhz N18

○Reset

​ We provide a key (K1) that can be used as a ‘reset’ signal for designs running on FPGA.

○Micro SD

​ The board provides a Micro SD card interface, allowing users to access the SD card memory. It also provides storage for the ZYNQ chip’s bootloader, Linux operating system kernels, file systems, and other user data files.

○HDMI

​ One HDMI video output interface can realize 1080P video images.

○LED

​ We provide two LEDs for user to use. When the corresponding pin of the FPGA is in a low state, the LED is illuminated.

Position Signal Name Pin Number Explain
D4 PS_LED1 E6 PS LED1
D3 GPIO1_17N R14 PL LED1

○Key

​ We provide one key for user to use. Once the key is pressed, it will be on the low level.

Position Signal Name Pin Number Explain
K2 GPIO1_17P P14 PL KEY1

○GPIO

​ This device is equipped with a maximum of 72 user IO pins that can be used for various custom applications. All user IOs are length-matched and can be used as differential pairs.
JP1:

Pin Signal Name Pin Number Pin Signal Name Pin Number
1 GPIO1_0P N17 2 GPIO1_0N P18
3 GPIO1_1P R16 4 GPIO1_1N R17
5 GPIO1_2P T17 6 GPIO1_2N R18
7 GPIO1_3P T16 8 GPIO1_3N U17
9 GPIO1_4P W18 10 GPIO1_4N W19
11 VCC_5V 12 GND
13 GPIO1_5P Y18 14 GPIO1_5N Y19
15 GPIO1_6P Y16 16 GPIO1_6N Y17
17 GPIO1_7P V17 18 GPIO1_7N V18
19 GPIO1_8P V16 20 GPIO1_8N W16
21 GPIO1_9P V15 22 GPIO1_9N W15
23 GPIO1_10P U14 24 GPIO1_10N U15
25 GPIO1_11P U13 26 GPIO1_11N V13
27 GPIO1_12P T12 28 GPIO1_12N U12
29 VCC_3V3 30 GND
31 GPIO1_13P W14 32 GPIO1_13N Y14
33 GPIO1_14P V12 34 GPIO1_14N W13
35 GPIO1_15P T14 36 GPIO1_15N T15
37 GPIO1_16P T11 38 GPIO1_16N T10
39 GPIO1_17P P14 40 GPIO1_17N R14

JP2:

Pin Signal Name Pin Number Pin Signal Name Pin Number
1 GPIO2_0P H15 2 GPIO2_0N G15
3 GPIO2_1P F16 4 GPIO2_1N F17
5 GPIO2_2P E17 6 GPIO2_2N D18
7 GPIO2_3P E18 8 GPIO2_3N E19
9 GPIO2_4P G17 10 GPIO2_4N G18
11 VCC_5V 12 GND
13 GPIO2_5P H16 14 GPIO2_5N H17
15 GPIO2_6P B19 16 GPIO2_6N A20
17 GPIO2_7P C20 18 GPIO2_7N B20
19 GPIO2_8P D19 20 GPIO2_8N D20
21 GPIO2_9P J18 22 GPIO2_9N H18
23 GPIO2_10P F19 24 GPIO2_10N F20
25 GPIO2_11P G19 26 GPIO2_11N G20
27 GPIO2_12P J20 28 GPIO2_12N H20
29 VCC_3V3 30 GND
31 GPIO2_13P K16 32 GPIO2_13N J16
33 GPIO2_14P K19 34 GPIO2_14N J19
35 GPIO2_15P L16 36 GPIO2_15N L17
37 GPIO2_16P M19 38 GPIO2_16N M20
39 GPIO2_17P L19 40 GPIO2_17N L20

○Power

​ The board uses a +5V supply from USB. The Figure shows the USB can be used to provide power.

../../_images/POWER_INTERFACE.png