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Online version of this manual and other related documents can be found at https://wiki.trenz-electronic.de/display/PD/TEF0008+MAX10


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Table of contents

Table of Contents
outlinetrue

Overview

TEF0008 design for MAX10 FPGA U2:  10M08SAU169C8G.

Feature Summary

  • SFP Control
  • I2C MUX
  • level shifter
  • LED Control

Firmware Revision and supported PCB Revision

See Document Change History.

Product Specification

Port Description

Name / opt. VHD NameDirectionPin

weak pullup

Description
PLL_SDA_ioBidirK2
I2C Si5345A-B
PLL_SCL_oOutK1
I2C Si5345A-B
LEDOutC2
Status LED
A_LOS_iInH9
SFP A Signal Loss (HIGH indicates signal loss)

A_MDEF0_i

InG9
SFP A Module Absent (HIGH when module physically absent)
A_RS0_oOutJ9
SFP A Rate Select RX (LOW for 1000BASE-SX, HIGH for 10GBASE-SR)
A_RS1_oOutH8
SFP A Rate Select TX (LOW for 1000BASE-SX, HIGH for 10GBASE-SR)
A_SCL_oOutK10
SFP A I2C Clock 
A_SDA_ioBidirK11
SFP A I2C Data

A_TX_DIS_o

OutH10
SFP A (HIGH disables transmitter)
A_TX_FAULT_iInL12
SFP A Laser Fault (HIGH indicates fault)
B_LOS_iInK12
SFP B Signal Loss (HIGH indicates signal loss)
B_MDEF0_iInJ13
SFP B Module Absent (HIGH when module physically absent)
B_RS0_oOutJ12
SFP B Rate Select RX (LOW for 1000BASE-SX, HIGH for 10GBASE-SR)
B_RS1_oOutL13
SFP B Rate Select TX (LOW for 1000BASE-SX, HIGH for 10GBASE-SR)
B_SCL_oOutH13
SFP B I2C Clock
B_SDA_ioBidir

G10


SFP B I2C Data
B_TX_DIS_oOutG13
SFP B (HIGH disables transmitter)

B_TX_FAULT_i

InG12
SFP B Laser Fault (HIGH indicates fault)

C_LOS_i

In

F12


SFP C Signal Loss (HIGH indicates signal loss)
C_MDEF0_iInE12
SFP C Module Absent (HIGH when module physically absent)
C_RS0_oOutF13
SFP C Rate Select RX (LOW for 1000BASE-SX, HIGH for 10GBASE-SR)
C_RS1_oOutF9
SFP C Rate Select TX (LOW for 1000BASE-SX, HIGH for 10GBASE-SR)
C_SCL_oOutE13
SFP C I2C Clock
C_SDA_ioBidirD11
SFP C I2C Data
C_TX_DIS_oOutD12
SFP C (HIGH disables transmitter)
C_TX_FAULT_iInC12
SFP C Laser Fault (HIGH indicates fault)
D_LOS_iInB11
SFP D Signal Loss (HIGH indicates signal loss)

D_MDEF0_i

InB12
SFP D Module Absent (HIGH when module physically absent)
D_RS0_oOutB13
SFP D Rate Select RX (LOW for 1000BASE-SX, HIGH for 10GBASE-SR)
D_RS1_oOutC13
SFP D Rate Select TX (LOW for 1000BASE-SX, HIGH for 10GBASE-SR)
D_SCL_oOutA12
SFP D I2C Clock
D_SDA_ioBidirF10
SFP D I2C Data
D_TX_DIS_oOutE9
SFP D (HIGH disables transmitter)

D_TX_FAULT_i

InD9
SFP D Laser Fault (HIGH indicates fault)
LA00_PInM9ONSCL In
LA00_NInN5ONSDA In
LA01_POutL4
SDA Out
LA01_NInJ5ONI2C MUX 0: SEL[0]

LA02_P

InM13ONI2C MUX 1: SEL[1]

LA02_N

InM12ONI2C MUX 2: SEL[2]
LA03_NInN6ONRS0
LA03_PInM5ONTX_DISABLE
LA04_NOutK7
TX Fault A+B+C+D
LA04_PInJ7ONRS1

LA05_N

OutL5
LOS A
LA05_POutK5
DEF0 A, SFP A Inserted Flag
LA06_NOutJ6
LOS B
LA06_POutK6
DEF0 B, SFP B Inserted Flag
LA07_NOutM8
LOS C
LA07_POutN8
DEF0 C, SFP C Inserted Flag
LA08_NOutM7
LOS D
LA08_POutN7
DEF0 D, SFP D Inserted Flag
LA09_P  -N4
/currently unused
LA09_N -

M4


/currently unused


Functional Description

SFP Control

  • Input Signal LA03_N sets all four SFP RX modes (LA03_N=HIGH sets RS0 signals LOW for 1000BASE-SX, LA03_N=LOW sets RS0 signals HIGH for 10GBASE-SR)1
  • Input Signal LA04_P sets all four SFP TX modes (LA04_P=HIGH sets RS1 signals LOW for 1000BASE-SX, LA04_P=LOW sets RS1 signals HIGH for 10GBASE-SR)1
  • Output Signals LA05_N, LA06_N, LA07_N and LA08_N indicate signal loss of SFP A, B, C and D respectively (HIGH indicates signal loss).
  • Output Signals LA05_P, LA06_P, LA07_P and LA08_P indicate SFP A, B, C and D module absent (HIGH when module physically absent).
  • Output Signal LA04_N  is HIGH when at least one of the four SFPs indicate Laser fault.
  • Input LA03_P HIGH sets for all SFPs where the module is physically available (MDEF0_i is LOW) the TX_DIS signal to LOW.1

1Inverted control as we can not enable weak pulldown in MAX10, we use weak pullup. E.g. TX are all ENABLED at default power up, so the card is working with no FMC LA pin driven.

I2C

  • LA00_P, LA00_N and LA01_P form a "three wire I2C" bus with separate data in and output.
  • LA01_N, LA02_P and LA02_N are used as selector for the MUX.


SEL		I2C device
000SFP A
001SFP B
010SFP C
011SFP D
100Si5345 Clock Generator

For I2C addresses see TEF0008 TRM.

LED

LED is used as Status LED and is on if at least on SFP is connected.

JTAG

MAX10 JTAG for programming is always enabled and accessible via the FMC connector, pin header J3 and test points.

Appx. A: Change History and Legal Notices

Document Change History

To get content of older revision go to "Change History" of this page and select older document revision number.

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Revision Changes

DateDocument RevisionCPLD Firmware RevisionSupported PCB RevisionAuthorsDescription

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REV01


REV01, REV02

Page info
infoTypeModified by
typeFlat
showVersionsfalse

  • added weak pullup column in port description table
  • clarified functional description section
  • corrected some typos
2018-08-27v.05REV01REV01, REV02

Martin Rohrmüller

  • Added Legal Notices
  • some typos
  • small rearrangements
2018-08-07v.03REV01REV01John Hartfiel
  • small style update
2018-06-07v.01REV01REV01Martin Rohrmüller
  • initial document

All

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modified-users


Legal Notices

Include Page
IN:Legal Notices
IN:Legal Notices