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Scroll Title
anchorTable_SIP_MGT
titleMGT Lanes connection

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Lane

SchematicB2BNote
0
  • B505_RX0_P
  • B505_RX0_N
  • B505_TX0_P
  • B505_TX0_N
  • JM3-26
  • JM3-28
  • JM3-25
  • JM3-27

1
  • B505_RX1_P
  • B505_RX1_N
  • B505_TX1_P
  • B505_TX1_N
  • JM3-20
  • JM3-22
  • JM3-19
  • JM3-21

2
  • B505_RX2_P
  • B505_RX2_N
  • B505_TX2_P
  • B505_TX2_N
  • JM3-14
  • JM3-16
  • JM3-13
  • JM3-15

3
  • B505_RX2_P
  • B505_RX2_N
  • B505_TX2_P
  • B505_TX2_N
  • JM3-8
  • JM3-10
  • JM3-7
  • JM3-9


Gigabit Ethernet

On-board Gigabit Ethernet PHY is provided with Marvell Alaska 88E1512 chip. The Ethernet PHY RGMII interface is connected to the Zynq Ethernet0 PS GEM0. I/O voltage is fixed at 1.8V for HSTL signaling. SGMII (SFP copper or fiber) can be used directly with the Ethernet PHY, as the SGMII pins are available on the B2B connector JM3. The reference clock input of the PHY is supplied from an on-board 25MHz oscillator (U11), the 125MHz output clock is left unconnected.

Scroll Title
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titleGigaBit Ethernet connection

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PinSchematicConnected toNote
MDIP0...3

PHY_MDI0...3

B2B, JM1


MDC

ETH_MDC

MIO76


MDIOETH_MDIOMIO77
S_INS_INB2B, JM3
S_OUTS_OUTB2B, JM3
TXD0..3ETH_TXD0...3MIO65...68
TX_CTRLETH_TXCTLMIO69
TX_CLKETH_TXCKMIO64
RXD0...3ETH_RXD0...3MIO71...74
RX_CTRLETH_RXCTLMIO75
RX_CLKETH_RXCKMIO70
LED0...2PHY_LED0...2FPGA Bank 66
RESETnETH_RSTMIO24


MIO Pins

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idComments

you must fill the table below with group of MIOs which are connected to a specific components or peripherals, you do not have to specify pins in B2B, Just mention which B2B is connected to MIOs. The rest is clear in the Schematic.

Example:

MIO PinConnected toB2BNotes
MIO12...14

SPI_CS , SPI_DQ0... SPI_DQ3

SPI_SCK

J2QSPI


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titleOn board peripherals

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Chip/InterfaceDesignatorNotes
QSPI FlashU7, U17
EEPROMU25
DDR4 SDRAMU2,U3
OscillatorsU32, U14, U12U11
CPLDU21
LEDsD1...3


Quad SPI Flash Memory

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Scroll Title
anchorTable_OBP_SPI
titleQuad SPI interface MIOs and pins

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MIO PinSchematicU?? PinNotes
MIO0...5
























EEPROM

Scroll Title
anchorTable_OBP_EEP
titleI2C EEPROM interface MIOs and pins

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MIO PinSchematicU25 PinNotes
MIO39I2C_SDASDA
MIO38I2C_SCLSCL


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titleOn-board LEDs

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DesignatorColorConnected toActive LevelNote
D1RedDONEHigh
D2GreenERR_STATUSHigh
D3RedERR_OUTHigh

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DDR4 SDRAM

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hiddentrue
idComments

Notes :

Minimum and Maximum density of DDR3 SDRAM must be mentioned for other assembly options. (pay attention to supported address length for DDR3)

The TE0821 SoM has dual 8 Gb volatile DDR4 SDRAM IC for storing user application code and data.

  • Part number: K4A8G165WB-BIRC
  • Supply voltage: 1.2V
  • Speed: 2400 mbpsMbps
  • Temperature: -40 ~ 95 °C

Ethernet

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Scroll Title
anchorTable_OBP_CLK
titleOsillators

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25 MHz
DesignatorDescriptionFrequencyNote
U11MEMS Oscillator25 MHz
U14MEMS Oscillator52 MHz
U32MEMS Oscillator80MHz


Programmable Clock Generator

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Scroll Title
anchorFigure_PWR_PD
titlePower Distribution


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Power-On Sequence

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titlePower Sequency


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Voltage Monitor Circuit

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titleVoltage Monitor Circuit
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Power Rails

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titleModule power rails.

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Power Rail Name

B2B Connector

JM1 Pin

B2B Connector

JM2 Pin

B2B Connector

JM3 Pin

DirectionNotes

























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titlePhysical Dimension


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titleBoard hardware revision number.


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