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4

I2C Communication

4.1

Overview

The I2C bus on the  XU1 SoC module is connected to the MPSoC device and to the EEPROM, and
is available on the module and debug connectors. This allows external devices to read the module type and
to connect more devices to the I2C bus.

The I2C clock frequency should not exceed 400 kHz.

Warning!

Maximum I2C speed may be limited by the routing path and additional loads on the base board.

Warning!

If the I2C traces on the base board are very long, 100

Ω

series resistors should be added between

module and I2C device on the base board.

4.2

Signal Description

Table 42 describes the signals of the I2C interface - the pins are connected to the PS. All signals have on-
board pull-up resistors to VCC_3V3.

All signals must be connected to open collector outputs and must not be driven high from any source.
I2C_INT# is an input to the MPSoC and must not be driven from the MPSoC device.

Starting with revision 2 modules, the I2C bus is connected to both PS and PL sides (and not only to the
PS), to offer extra flexibility and help on future development. I2C on PL side is functional only when the
VCC_IO_B66 voltage is 1.8 V.

Level shifters are used between the I2C bus and MPSoC pins, as I/O banks 500 and 66 are supplied with 1.8
V. Please make sure that all pins are configured correctly and no pull-down resistors are enabled.

Signal Name

PS Pin

PL Package Pin

Connector Pin

Resistor

I2C_SDA

MIO11

Y7

A-113

2.2 k

Ω

pull-up

I2C_SCL

MIO10

V3

A-111

2.2 k

Ω

pull-up

I2C_INT#

MIO12

-

A-115

1.9 k

Ω

pull-up

Table 42: I2C Signal Description

4.3

I2C Address Map

Table 43 describes the addresses for several devices connected on I2C bus.

D-0000-428-001

57 / 66

Version 13, 15.08.2019

Содержание ME-XU1-15EG-1E-D12E-G1

Страница 1: ...description of its features and configuration options In addition references to other useful documents are included Product Information Code Name Product ME XU1 Mercury XU1 SoC Module Document Inform...

Страница 2: ...or VCC_BAT corrected minimum MDIO clock frequency other style updates 11 08 05 2019 DIUN Corrected power synchronization frequency domain and duty cycle added information on Linux how to guide 10 05 0...

Страница 3: ...Bottom Assembly Drawings 16 2 5 1 Top Assembly Drawing 16 2 5 2 Bottom Assembly Drawing 16 2 6 Module Footprint 17 2 7 Mechanical Data 17 2 8 Module Connector 18 2 9 User I O 19 2 9 1 Pinout 19 2 9 2...

Страница 4: ...24 1 EEPROM Type 46 2 25 Debug Connector 46 3 Device Configuration 49 3 1 Configuration Signals 49 3 2 Module Connector C Detection 50 3 3 Pull Up During Configuration 50 3 4 Power on Reset Delay Over...

Страница 5: ...5 2 Recommended Operating Conditions 62 6 Ordering and Support 63 6 1 Ordering 63 6 2 Support 63 D 0000 428 001 5 66 Version 13 15 08 2019...

Страница 6: ...m and FSBL First Stage Boot Loader It downloads and compiles all required software such as U Boot Linux and BusyBox based root file system 1 1 2 Warranty Please refer to the General Business Condition...

Страница 7: ...GHz Dual core ARM Cortex R5 MPCore up to 600 MHz Mali 400 MP2 GPU not for CG variants Xilinx 16nm FinFET FPGA fabric 294 user I Os 14 ARM peripheral I Os SPI SDIO CAN I2C UART 200 FPGA I Os single en...

Страница 8: ...an example configuration for the Zynq Ultrascale MPSoC device together with an example top level HDL file for the user logic A number of software applications are available for the reference design th...

Страница 9: ...Ethernet connectors mPCIe mSATA card holder USB only PE1 300 400 SIM card holder optional PE1 300 400 only SMA clock and data in out optional PE1 300 400 only 1 FMC LPC connector PE1 200 1 FMC HPC con...

Страница 10: ...t of the Mercury XU1 SoC module is the Xilinx Zynq Ultrascale MPSoC device Most of its I O pins are connected to the Mercury module connector making up to 214 regular user I Os avail able to the user...

Страница 11: ...MMC flash a 64 MB quad SPI flash and 2 GB or 4 GB DDR4 SDRAM Further the module is equipped with two Gigabit Ethernet PHYs and two USB 2 0 PHYs making it ideal for communication applications A real ti...

Страница 12: ...5 C ME XU1 15EG 2I D12E XCZU15EG 2FFVC900I 4 GB 3 12 40 to 85 C ME XU1 15EG 2I D12E G1 XCZU15EG 2FFVC900I 4 GB 3 16 40 to 85 C Table 1 Standard Module Configurations Starting with revision 3 modules 4...

Страница 13: ...The correspondence between article number and article code is shown in Table 2 The article code repre sents the product code followed by the revision the R suffix and number represent the revision nu...

Страница 14: ...2E R4 EN102280 ME XU1 9EG 3E D12E R4 EN102281 ME XU1 15EG 2I D12E R4 EN102600 ME XU1 6CG 1E D11E G1 R4 1 EN102601 ME XU1 6CG 1E D11E R4 1 EN102614 ME XU1 6EG 1I D11E G1 R4 1 EN102372 ME XU1 6EG 1I D11...

Страница 15: ...5 Module Top View 2 4 2 Bottom View Figure 6 Module Bottom View Please note that depending on the hardware revision and configuration the module may look slightly dif ferent than shown in this docume...

Страница 16: ...ule Top Assembly Drawing 2 5 2 Bottom Assembly Drawing Figure 8 Module Bottom Assembly Drawing Please note that depending on the hardware revision and configuration the module may look slightly dif fe...

Страница 17: ...design tools Altium PADS Eagle Orcad 8 and include the required information on the module sizes and holes The maximum component height under the module is dependent on the connector type refer to Sect...

Страница 18: ...stacking heights Some examples are presented in Table 4 Please refer to the connector datasheet for more information Reference Type Description Mercury module connector FX10A 168S SV Hirose FX10 168 p...

Страница 19: ...ry XU1 SoC module it may be possible that the connected pins do not have the targeted functions such as primary clocks differential pins MGT signals etc The naming convention for the user I Os is IO_B...

Страница 20: ...exceptions are pins with special functions or restrictions for example when used in combination with certain Mercury boards they may have a specific role PCIe Reset Signal PERST Table 6 lists the I O...

Страница 21: ...l GTH transceivers and 2 differential clock pairs may be routed to the module connector by using the G1 assembly variants This option may be useful when the user application requires 16 GTH transceive...

Страница 22: ..._A27_P C 89 IO_B66_L11_GC_V7_P MGT_B128_TX3_A27_P IO_B66_L11_GC_V6_B128_TX3_A28_N C 91 IO_B66_L11_GC_V6_N MGT_B128_TX3_A28_N IO_B65_AE7_B128_REFCLK1_D25_P C 72 IO_B65_AE7_P MGT_B128_REFCLK1_D25_P IO_B...

Страница 23: ...2 9 6 for details 2 9 4 I O Banks Table 9 describes the main attributes of the Programmable Logic PL and Processing System PS I O banks and indicates which peripherals are connected to each I O bank A...

Страница 24: ...C_IO_B65 VCCO_65 1 0 V 1 8 V 5 64 88 140 VCC_IO_B66 VCCO_66 1 0 V4 1 8 V 5 67 95 143 VCC_IO_B47 VCCO_47 1 2 V 3 3 V 5 5 41 VCC_IO_B48 VCCO_48 1 2 V 3 3 V 5 5 38 Table 10 VCC_IO Pins 3 4 5 If the Mercu...

Страница 25: ...l Figure 13 illustrates the VCC_IO power requirements Figure 13 Power Up Sequence VCC_IO in Relation with PWR_GOOD and PWR_EN Signals 2 9 6 Signal Terminations Differential Inputs Internal differentia...

Страница 26: ...onnected to on board peripherals while others are available as GPIOs the suggested functions below are for reference only always verify your MIO pinout with the Xilinx device handbook Table 11 gives a...

Страница 27: ...PERST signal8 Gigabit Ethernet PHY 0 and module connector via series re sistor 38 UART RX7 User functionality Module connector 39 UART TX7 40 41 43 44 User functionality Module connector 42 User func...

Страница 28: ...rchitecture System Monitor document 20 Zynq UltraScale MPSoC Technical Reference Manual 19 and System Management Wizard Product Guide 22 Table 12 presents the ADC Parameters for the PL System Monitor...

Страница 29: ...the MPSoC device support data rates of 12 5 Gbit sec on speedgrade 1 devices and of 16 375 Gbit sec on the other devices Note that the maximum bandwidth is limited to 15 Gbit sec by the module connec...

Страница 30: ...performance rates Warning No AC coupling capacitors are placed on the Mercury XU1 SoC module on the MGT lines make sure capacitors are mounted if required on the base board close to the module pins to...

Страница 31: ...ercury XU1 SoC Module Known Issues and Changes document 7 for details Please refer to the Enclustra Module Pin Connection Guidelines for general rules on the power pins 11 Power Converter Synchronizat...

Страница 32: ...00 kHz Depending on the selected frequency it is recommended to adjust the duty cycle of the synchronization clock accordingly in order to ensure a minimum time of 600 ns for the high level of the clo...

Страница 33: ...11 3 Voltage Supply Inputs Table 17 describes the power supply inputs on the Mercury XU1 SoC module The VCC voltages used as supplies for the I O banks are described in Section 2 9 5 Pin Name Module C...

Страница 34: ...like the Xilinx Zynq Ultrascale MPSoC need cooling in most applications always make sure the MPSoC is adequately cooled Table 19 lists the heat sink and thermal pad part numbers that are compatible w...

Страница 35: ...ector Pin Connection Description VMON_INT A 102 VCC_INT PL core voltage VMON_1V2_VBAT B 8 VCC_1V2 1 2 V on board voltage default MPSoC battery voltage assembly option VMON_PSINT C 8 VCC_PSINT PS core...

Страница 36: ...d from an external SPI master For details on the functions of the PS_POR_B and PS_SRST_B signals refer to the Zynq UltraScale MPSoC Technical Reference Manual 19 Table 22 presents the available reset...

Страница 37: ...DDR4 SDRAM channel on the Mercury XU1 SoC module attached directly to the PS side and is available only as a shared resource to the PL side The DDR4 SDRAM is connected to PS I O bank 504 The memory co...

Страница 38: ...RAM memory may be equipped on the module 2 15 2 Signal Description Please refer to the Mercury XU1 SoC Module FPGA Pinout Excel Sheet 4 for detailed information on the DDR4 SDRAM connections 2 15 3 Te...

Страница 39: ...ncy 0 RAS to CAS delay 17 Precharge time 17 tRC 46 16 ns tRASmin 32 ns tFAW 30 ns Table 26 DDR4 SDRAM Parameters 2 16 QSPI Flash The QSPI flash can be used to boot the PS and to store the FPGA bitstre...

Страница 40: ...Configuration The QSPI flash supports up to 50 MHz operation for standard read For fast dual and quad read speed values please refer to the flash device datasheet Note that the Feedback Clk option on...

Страница 41: ...k pull up resistor to 1 8 V and the data lines have 47 k pull up resistors to 1 8 V 2 18 SD Card An SD card can be connected to the PS MIO pins 45 51 The corresponding MIO pins are available on the m...

Страница 42: ...n is enabled Warning Gigabit Ethernet 1 interface is not available when USB 1 interface is active USB1_RST _ETH1_RST is pulled to GND via a 1 k resistor to release the USB PHY from reset this signal m...

Страница 43: ...thernet PHYs are set as indicated in Table 31 Pin Signal Value Description MODE 3 0 1110 RGMII mode advertise all capabilities 10 100 1000 half full duplex ex cept 1000Base T half duplex PHYAD 2 0 011...

Страница 44: ...cription The ULPI interface for the PHY 0 is connected to MIO pins 52 63 for use with the integrated USB controller The ULPI interface for the PHY 1 is connected to MIO pins 64 75 The MIO signals are...

Страница 45: ...and the USB 2 0 signals from the PHY all routed to a USB 3 0 connector on the base board Figure 14 USB 3 0 Implementation Example Warning The USB 3 0 interface on the Mercury XU1 SoC module uses the G...

Страница 46: ...et MAC address and other information It is connected to the I2C bus The secure EEPROM must not be used to store user data Please refer to Section 4 4 for details on the content of the EEPROM 2 24 1 EE...

Страница 47: ...NT _PJTAG_TCK PJTAG TCK 7 EMMC_IO0_JTAG_TDI PJTAG TDI 9 EMMC_IO1_PJTAG_TDO PJTAG TDO 2 PJTAG_EN PJTAG enable enable PJTAG boot mode 5 20 31 32 33 34 GND Ground 10 VCC_3V3 11 VCC_CFG_MIO 21 VCC_ 1V8 4...

Страница 48: ...ace signals can be used to debug the processor running at full speed allowing the user to collect information on the CPU instruction execution and data transfers In order to enable the trace interface...

Страница 49: ...nal master Please refer to Section 3 12 for details Signal MPSoC Mod Conn Name Pin Type Pin Description Comments FLASH_CLK MIO0 A 118 SPI CLK 10 k pull up to VCC_CFG_MIO FLASH_DO MIO1 A 122 SPI MISO F...

Страница 50: ...4 7 k pull up resistor on the module 3 3 Pull Up During Configuration The Pull Up During Configuration signal PUDC is pulled to GND on the module as PUDC is an active low signal all FPGA I Os will ha...

Страница 51: ...om view drawing For details on the POR_OVERRIDE signal please refer to the Zynq UltraScale MPSoC Technical Reference Manual 19 3 5 Boot Mode The boot mode can be selected via two signals available on...

Страница 52: ...tem test and debug are available in the Zynq UltraScale MPSoC Technical Ref erence Manual 19 On modules equipped with ES1 engineering samples 1 MPSoC devices PJTAG boot mode is required in order to pr...

Страница 53: ...Signal Name Pin on Debug Connector PS Pin Resistor I2C_INT _PJTAG_TCK 3 MIO12 51 7 k pull up to VCC_3V3 EMMC_IO2_PJTAG_TMS 1 MIO15 47 k pull up to VCC_1V8 EMMC_IO0_PJTAG_TDI 7 MIO13 47 k pull up to V...

Страница 54: ...flash device is connected to the PS MIO pins 0 5 3 9 SD Card Boot Mode In the SD card boot mode the PS boots from the SD card located on the base board There are two SD card boot modes available on t...

Страница 55: ...ertain Xilinx tools versions support QSPI flash programming via JTAG only when JTAG boot mode is used unavailable in the standard configurations of the Mercury XU1 SoC module For more information plea...

Страница 56: ...a base board the QSPI flash can be programmed using Enclustra Module Configuration Tool MCT 17 For this method a non QSPI boot mode must be used during QSPI flash programming The entire procedure is d...

Страница 57: ...ls must be connected to open collector outputs and must not be driven high from any source I2C_INT is an input to the MPSoC and must not be driven from the MPSoC device Starting with revision 2 module...

Страница 58: ...EEPROM is for Enclustra use only Any attempt to write data to the secure EEPROM causes the warranty to be rendered void 4 4 1 Memory Map Address Length bits Description 0x00 32 Module serial number 0x...

Страница 59: ...count 0 2 0x0B 7 4 DDR4 ECC RAM size GB 0 0 GB 4 8 GB Resolution 1 GB 3 0 QSPI flash memory size MB 0 0 MB 7 64 MB Resolution 1 MB 0x0C 7 4 eMMC flash size GB 0 0 GB 5 16 GB Resolution 1 GB 3 0 Reser...

Страница 60: ...s Value Module Temperature Range 0 Commercial 1 Extended 2 Industrial Table 48 Module Temperature Range Ethernet MAC Address The Ethernet MAC address is stored using big endian byte order MSB on the l...

Страница 61: ...e for MPSoC battery backed RAM and battery backed RTC 0 to 3 6 V VCC_IO_B47 Output drivers supply voltage relative to GND 0 5 to 3 4 V VCC_IO_B48 VCC_CFG_MIO Output drivers supply voltage relative to...

Страница 62: ...battery backed RTC 2 7 to 3 6 V VCC_IO_ x Output drivers supply voltage relative to GND Refer to V VCC_CFG_ x Section 2 9 5 V_IO I O input voltage relative to GND 0 2 to VCCO 0 2 V Temperature Temper...

Страница 63: ...tra online request order form for ordering or requesting information http www enclustra com en order 6 2 Support Please follow the instructions on the Enclustra online support site http www enclustra...

Страница 64: ...vision 4 Modules 54 18 QSPI Flash Programming from an External SPI Master Signal Diagrams 56 List of Tables 1 Standard Module Configurations 12 2 Article Numbers and Article Codes 14 3 Mechanical Data...

Страница 65: ...and PS Access and Debug 53 40 JTAG Interface ARM DAP Access via PJTAG Signals valid only for modules revision 1 and 2 53 41 SD Card Boot Modes 55 42 I2C Signal Description 57 43 I2C Addresses 58 44 EE...

Страница 66: ...hirose connectors com 14 Mercury PE1 User Manual Ask Enclustra for details 15 Enclustra Build Environment Ask Enclustra for details 16 Enclustra Build Environment How To Guide Ask Enclustra for detai...

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