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Sandwich-style dev board runs Linux on Zynq-7000

Jun 12, 2015 — by Eric Brown 2,346 views

MYIR’s new sandwich-style dev board mixes a Linux-ready, Zynq-based COM with 4GB eMMC with a carrier board that has USB, GbE, HDMI, PMOD, and FMC I/O.

Like MYIR’s Z-Turn Board SBC, the MYC-C7Z010/20 computer-on-module, which plugs into a MYD-C7Z010/20 baseboard to form a sandwich-style SBC, runs Linux on a Xilinx Zynq system-on-chip. You can choose between two COM SKUs, including one with the Zynq-7010 found on the Z-Turn, and another with a Zynq-7020, which has a higher end FPGA with 85K logic cells. All the Zynq SoCs run Linux on dual 667MHz to 866MHz Cortex-A9 cores.

MYC-C7Z010/20, front and back
(click images to enlarge)

The MYC-C7Z010/20 COM ships with an open source Linux 3.15.0 distribution. As usual with MYIR, the module and baseboard are provided with full online specifications.

The MYC-C7Z010/20 module is loaded with 1GB of DDR3 SDRAM, 4GB eMMC flash, and 16MB or 32MB QSPI flash. The board also includes a dedicated watchdog timer chip.

MYC-C7Z010/20 detail view (left) and block diagram
(click images to enlarge)

The 75 x 55mm, 10-layer module integrates gigabit Ethernet and USB 2.0 OTG PHYs, which like the other Interfaces are expressed via dual 140-pin connectors. Additional I/O includes SDIO, dual serial, dual CAN, dual I2C, dual SPI interfaces, and a 16-channel ADC. The 5V/0.5A COM supports a 0 to 70°C temperature range.


MYD-C7Z010/20 baseboard

The 190 x 110mm MYD-C7Z010/20 baseboard supports both MYC-C7Z010/20 module versions. It supplements the COM’s built-in flash with a microSD slot and also adds an HDMI port and an LCD interface. MYIR supports the latter with optional 4.3- and 7-inch touchscreens.

MYD-C7Z010/20 development board, empty (left) and with MYC-C7Z010/20 COM
(click images to enlarge)

The baseboard’s coastline interfaces include a gigabit Ethernet port, four USB 2.0 host ports, and an RS232 debug port. Other I/O includes CAN and JTAG interfaces as well as various connectors for the FPGA, including LPFMC, XADC, and three PMODs. Other features include a watchdog, RTC, and various buttons and jumpers.

MYD-C7Z010/20 detail view and block diagram
(click images to enlarge)

The baseboard’s block diagram shows an SFP interface, dual PCIe slots, and a SATA port available only with a Zynq-7015 based COM. However, the Zynq-7015 is not currently part of the MYC-C7Z0xx offering, so we omitted those functions from the specs list below.

Specifications listed for the MYD-C7Z010/20 development board, when combined with the MYC-CZ010/20 COM, include:

  • Processor (via MYC-C7Z010/20 COM) — Xilinx Zynq-7010 or -7020 (2x Cortex-A9 cores @ 667MHz to 866MHz with FPGAs)
  • Memory (via MYC-C7Z010/20 COM):
    • 1GB of DDR3 SDRAM
    • 4GB eMMC flash
    • 16MB or 32MB QSPI flash
    • MicroSD (TF) slot (bootable)
  • Display:
    • HDMI port
    • LCD touchscreen (16-bit RGB) interface
    • Optional 4.3-inch resistive or 7-inch resistive or capacitive touchscreens
  • Networking — gigabit Ethernet port
  • Other I/O:
    • 4x USB 2.0 host ports
    • RS232 port (for debug)
    • CAN interface
    • JTAG interface (14-pin)
    • Xilinx standard LPFMC interface (for FPGA)
    • XADC interface (for FPGA)
    • 3-channel PMOD (for FPGA, only with Zynq-7020)
  • Other features — Watchdog (via COM); battery-backed RTC; LEDs; user button
  • Operating temperature — 0 to 70°C
  • Power — 12V/0.5A
  • Dimensions — 190 x 110mm (4-layer)
  • Operating system — Linux 3.15.0

Further information

The MYC-C7Z010/20 COM is available now for $139 with a Zynq-7010 or $159 with a Zynq-7020, The MYD-C7Z010/20 development board sells for $309 or $329, depending on which SoC you order on the included MYC-C7Z010/20 COM. LCD modules include a $60 4.3-inch resistive touchscreen or a $99 7-inch touchscreen with either resistive or capacitive touch. More information may be found on MYIR’s MYC-C7Z010/20 and MYD-C7Z010/20 product pages respectively.

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