Technica Engineering 100Base-T1 SFP Manuel utilisateur

User Manual

100Base-T1 –SFP Module

Version 0.5

05. March 2018

Technica Engineering GmbH

Fax: +49-89-200-072430

Leopoldsrtaße 236

Email:

Info@technica-engineering.de

80807 München

www.technica-engineering.de

Germany

Index

1Feature List ....................................................................................................................3

2Warranty and Safety Information ....................................................................................4

3Pinning ...........................................................................................................................5

4Startup and Configuration...............................................................................................6

4.1 Startup.....................................................................................................................6

4.2 Self-Configuration ....................................................................................................7

5I2C interface...................................................................................................................6

5.1 I2C Configuration ………………………………………………………………………… 7

5.2 I2C Memory Map …………………………………………………………………………. 7

5.3 Device addressing and operation ……………………………………………………….…. 8

5.3.1 Current address read …………………………………………………………………. 8

5.3.2 Random read ………………………………………………………………………….. 8

5.3.3 Sequential read ……………………………………………………………………….. 9

5.3.4 Byte write ………………………………………………………………………………. 9

5.3.5 Sequential write ……………………………………………………………………… 9

6 Frequently asked questions - FAQ…………………………………………………………. 10

7Contact.........................................................................................................................11

Page 2of 12

1 Feature List

The Technica Engineering 100Base-T1 SFP module fits into a standard Small Form-factor

Pluggable slot. ®

It uses the SGMII and generates 100 Mbit/s full-duplex BroadR-Reach .

After PowerUp it self-configures to Automotive BroadR-Reach®.

Registers of the integrated transceiver are accessible via I2C interface for diagnosis and

re-configuration.

One Link LED shows link status.

Power requirement:

3.3 Volt DC

+/- 0.03 Volt

Power dissipation:

0.5709 W

Size:

68 x 14 x 14 mm

Wight:

0,1 Kg

International Protection

IP 2 0

Operating Temperature

0 to +70 °Celsius

"BroadR-Reach is a trademark of Broadcom Limited"

Page 3of 12

2 Warranty and Safety Information

Before operating the device, read this manual thoroughly and retain it for

your reference.

Use the device only as described in this manual.

Use only in dry conditions.

Do not apply power to a damaged device.

Do not open the device. Otherwise warranty will be lost.

This device is designed for engineering purpose only.

Special care has to be taken for operation.

Do not use this device in a series production car.

As this device is likely to be used under rough conditions, warranty is limited

to 1 year.

Manufacturer liability for damage caused by using the device is excluded.

Page 4of 12

3 Pinning

The BroadR-Reach®line is connected by a Molex connector.

Hardware Version 2.4 and above use:

- Molex 0533250260 Header 2.0mm

- Molex 510900200 Housing

-Molex 50212-8000 Crimp Contact

Function

BroadR-Reach®Plus

BroadR-Reach®Minus

SFP Socket connector:

Function

GND

Tx_Faul –Connected to GND

SGMII_TXD_N

n.c.

SGMII_TXD_P

I2C_DAT

GND

I2C_CLK

3.3 Volt

GND

3.3 Volt

n.c.

GND

Rx_Los –Connected to GND

SGMII_RXD_P

n.c.

SGMII_RXD_N

GND

Page 5of 12

4 Startup and Configuration

4.1 Startup

After 3.3 Volt power is applied, the SFP module starts up and self-configures the

BCM54811S transceiver by I2C interface. This lasts 100ms. In the first 100ms the

processor on the module acts as I2C master. Do not apply any master activity on

the bus during this time!

4.2 Self-Configuration

The SFP Module configures itself to Automotive BroadR-Reach®after power up.

Master / Slave Configuration is done according to the DIP switch on the bottom of the device.

To reconfigure the DIP switch the lock has to be opened (see picture).

ON/left =Master

OFF/right = Slave

Page 6of 12

5 I2C Interface

5.1 I2C configuration

I2C can be used 100ms after the power up of the module.

The module operates with fSCL up to 100kHz without requiring clock stretching.

The module may clock stretch with fSCL greater than 100kHz and up to 400 kHz.

The module processor listens as slave on the 7-bit address 0x50.

Note: b1010 000X = 0xA0

Read access beyond address 95 will return 0x00.

The BCM54811S transceiver can be accessed at I2C slave 7-bit address

0x40. Note: b1000 000X = 0x80

Read access to register 0x02 will always return 0x03, 0x62 (Device ID).

Write access to register 0x00 with value 0x02, 0x00 will configure the module to BR Slave.

Write access to register 0x00 with value 0x02, 0x08 will configure the module to BR Master.

For a complete register map please have a look at the BCM54811S datasheet

(Broadcom NDA required).

5.2 I2C map register

Memory Map (read only registers):

Data Bytes

Byte Number

Comment

0x03,

Identifier SFP

0x04,

Ext. Identifier

0x80,

Connector

0x00, 0x00, 0x00, 0x00,

3-6

Transceiver high

0x00, 0x00, 0x00, 0x00,

7-10

Transceiver low

0x00,

Encoding

0x01,

Bitrate Nominal in 100 MBit

0x00,

Reserved

0x00,

Link Length Fiber

0x00,

Link Length Fiber

0x00,

Link Length Fiber

0x00,

Link Length Fiber

0x0A,

Link Length Copper in meter

0x00,

Reserved

'T', 'e', 'c', 'h', 'n', 'i', 'c', 'a', ' ', 'E', 'n', 'g', '.', ' ', ' ', ' ',

20-35

Vendor Name

0x00,

Reserved

0x00, 0x00, 0x00,

37-39

Vendor ID

'1', '0', '0', 'B', 'A', 'S', 'E', '-', 'T', '1', ' ', ' ', ' ', ' ', ' ', ' ',

40-55

PartNumber

0x00, 0x00, 0x00, 0x00,

56-59

Revision Number

0x00, 0x00, 0x00,

60-62

Reserved

0xBC,

Check Code for Field 0-62

0x00, 0x00,

64-65

Options

0x00,

Bitrate max

0x00,

Bitrate min

0x00,

0x00, 0x00,

0x00,

0x00, 0x00,

0x00, 0x00, 0x00,

68-83

Serial Number String

0x00, 0x00, 0x00, 0x00,

84-87

Date Code high

0x00, 0x00, 0x00, 0x00,

88-91

Date Code low

0x00, 0x00, 0x00,

92-94

Reserved

0x42

Check Code Extended for Field 64-94

Page 7of 12

5.3 I2C Device addressing and operation

5.3.1 I2C Current address read

The current read operation only requires the device address read word to be sent. When

the acknowledge is received from the SFP module, the current address data word is serially

clocked out.

Example: Read the current address of the SFP module (b1010000X)

<-I2C_device ->

DATA WORD->

5.3.2 Random address read

The random address read requires two operations to perform the read.

Example: Read a random address of the SFP module (b1010000X)

First a write operation to specify the address desired to read:

<-I2C_device ->

<-I2C Memory address->

Page 8of 12

Then a read operation to read the previous address specified:

<-I2C_device ->

DATA

WORD->

5.3.3 Sequential read

The sequential reads are started by either a current word address read or a random address

read. To specify a sequential read, the host responds with an acknowledge instead of a stop

after each data word.

First a write operation to specify the address desired to read:

<-I2C_device ->

<-I2C Memory address->

Then the read operations:

<-I2C_device ->

-DATA WORD n->

<-DATA WORD n+1->

5.3.4 Byte write

The write operation requires 8-bits of data word address following the device address

write word and acknowledgement.

Page 9of 12

Example: Byte write operation into the SFP module (b1010000X)

<-I2C_device ->

<-MEMORY ADDRESS->

<-DATA WORD->

5.3.5 Sequential write

The sequential write is started in the same way as a single byte write, but the host master

does not send a stop condition after the first word is clocked in.

<-I2C_device ->

<-MEMORY ADDRESS->

<-DATA WORD 1->

<-DATA WORD 2->

Page 10 of 12

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