Technica 1000BASE-T1 Manuel utilisateur
1000BASE-T1
SFP MODULE
Manual-Version: 2.0
Hardware-Version: 2.2
USER MANUAL
April 2019
100BASE-T1 MediaConverter_BCM User Manual
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CONTENT
1GENERAL INFORMATION........................................................................................... 3
1.1 Functionality and Features of the 1000BASE-T1 SFP MODULE ....................... 3
1.2 Warranty and Safety Information ........................................................................ 5
1.3 Declaration of conformity .................................................................................... 6
2HARDWARE INTERFACES .......................................................................................... 7
2.1 Molex Connector................................................................................................... 7
2.2 SFP Socket Connector ......................................................................................... 8
3STARTUP AND CONFIGURATION.............................................................................. 9
3.1 Startup ................................................................................................................... 9
3.2 Self-Configuration................................................................................................. 9
3.3 I2C Interface........................................................................................................ 10
3.3.1 I2C configuration ......................................................................................... 10
3.3.2 I2C map register .......................................................................................... 11
3.3.3 I2C Device addressing and operation ........................................................ 11
3.3.3.1 I2C Current address read ..................................................................... 11
3.3.3.2 Random address read .......................................................................... 12
3.3.3.3 Sequential read ..................................................................................... 13
3.3.3.4 Byte Write .............................................................................................. 14
3.3.3.5 Sequential write .................................................................................... 14
3.3.4 I2C access to the 88Q2112_A0 transceiver .............................................. 15
3.3.4.1 Register description ............................................................................. 15
4ADDITIONAL INFORMATION.................................................................................... 17
5LIST OF FIGURES....................................................................................................... 18
6CHANGELOG ............................................................................................................. 19
7CONTACT................................................................................................................... 20
100BASE-T1 MediaConverter_BCM User Manual
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1GENERAL INFORMATION
1.1 Functionality and Features of the 1000BASE-T1 SFP
MODULE
Figure 1-1: 1000BASE-T1 SFP MODULE
The Technica Engineering 1000Base-T1 SFP Module fits into a standard Small Form-
factor Pluggable slot.
It uses the SGMII and generates 1000 Mbit/s full-duplex 1000BASE-T1.
It is self-configurating after powerup to Automotive 1000BASE-T1.
Note: SERDES interface is not supported!
Registers of the integrated transceiver are accessible via I2C interface for diagnosis
and reconfiguration.
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General Information:
Power requirement:
3.3 Volt DC +/-0.03 Volt
Size:
68 x 14 x 14 mm
Weight:
0,1 kg
International Protection:
IP 2 0
Operating temperature:
0 to +70 °Celsius
Integrated PHY
88Q2112_A0 from Marvell
LINKS:
The User can download the latest firmware and documentation for the 1000BASE-T1
SFP MODULE here:
https://technica-engineering.de/produkt/1000base-t1-sfp-module/
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1.2 Warranty and Safety Information
Before operating the device, read this manual thoroughly and retain
it for your reference.
The latest documentation for the 1000BASE-T1 SFP MODULE can be
downloaded here:
https://technica-engineering.de/produkt/1000base-t1-sfp-module/
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 li
ability for damage caused by using the device is
excluded.
100BASE-T1 MediaConverter_BCM User Manual
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1.3 Declaration of conformity
Figure 1-2: Declaration of conformity
100BASE-T1 MediaConverter_BCM User Manual
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2HARDWARE INTERFACES
2.1 Molex Connector
The 1000BASE-T1 line is connected by a Molex connector.
•Molex 0533250260 Header 2.0mm
•Molex 510900200 Housing
•Molex 50212-8000 Crimp Contact
Name
Picture
Part Number
Molex Header 2.0mm
0533250260
Molex Housing
51090-0200
Molex 50212-8000 Crimp Contact
50212-8000
Table 2-1: Parts Molex Connector
Pinning:
Pin
Function
Pin
Function
1
1000BASE-T1 Plus
2
1000BASE-T1 Minus
Table 2-2: Pinning of Molex Connector
100BASE-T1 MediaConverter_BCM User Manual
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2.2 SFP Socket Connector
Pinning:
Pin
Function
Pin
Function
1
GND
11
GND
2
GND
12
SGMII_RXD_N
3
n.c.
13
SGMII_RXD_P
4
I2C_DAT
14
GND
5
I2C_CLK
15
3.3. Volt
6
GND
16
3.3. Volt
7
n.c.
17
GND
8
GND
18
SGMII_TXD_P
9
n.c.
19
SGMII_TXD_N
10
GND
20
GND
Table 2-3: Pinning of SFP Socket Connector
100BASE-T1 MediaConverter_BCM User Manual
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3STARTUP AND CONFIGURATION
3.1 Startup
After 3.3 Volt power is applied, the SFP module starts up and self-configures the
88Q2112_A0 transceiver by MDIO interface. This lasts 100ms. Do not apply any I2C
activity on the bus during this time!
3.2 Self-Configuration
The SFP Module configures itself to 1000BASE-T1 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 pictures).
ON/right = as Master
OFF/ left = as Slave
Figure
3-1: DIP-Switch
100BASE-T1 MediaConverter_BCM User Manual
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3.3 I2C Interface
3.3.1 I2C configuration
100ms after power up of the module it can be configured by I2C.
The module operates with fSCL up to 53kHz without requiring clock stretching.
The module may clock stretch with fSCL greater than 53kHz 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 88Q2112_A0 transceiver can be accessed at I2C slave 7-bit address 0x40.
Note: b1000 000X = 0x80
The 88Q2112_A1 PHY does not support I2C interfaces. However, the microcontroller
acts as a bridge between the host and the PHY. Commands from the Host are
processed by the microcontroller. The microcontroller accesses to the PHY trough
MDIO interface and forwards the information to the Host.
For a complete register map please have a look at the 88Q2112_A1 datasheet (NDA
required).
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