Ethernet PHY Transceiver Reference Guide

Ethernet PHY Transceiver
Industrial, automotive, and consumer applications
ti.com/ethernet
2016
Overview
The Ethernet PHY is a transceiver that bridges the digital
world – including processors, field-programmable gate
arrays (FPGAs), and application-specific integrated circuits
(ASICs) – to the analog world. An Ethernet PHY is designed
to provide error-free transmission over a variety of media
access controllers (MACs). The MAC is usually integrated into
a processor, FPGA or ASIC and controls the data-link-layer
portion of the OSI model. There are a number of interfaces
between the MAC and the PHY that are available which
provide minimal pin count and varied data rates depending
on system requirements.
MII/RMII
Ethernet PHY
GMII/RGMII/SGMII
Power over Ethernet
25 MHz Crystal
or Clock Input
Status
LEDs
Magnetics
MCU / CPU
FPGA / ASIC
MAC Address
Texas Instruments provides the world’s most reliable and
robust 10/100/1000 Ethernet PHY transceivers. From the
industry’s first 10/100 PHY and now the first Gigabit Ethernet
PHY tailored for the industrial market, TI has targeted the
industry’s highest precision standards with the lowest
deterministic latency while giving off less noise emission/
interference with other components on the board.
RJ45
Fiber
Transceiver
For more information, please visit www.ti.com/ethernet
Key Characteristics
EMI mitigation
Robust ESD performance
Designed for low latency
Less noise emission means less
Built-in ESD protection allows for
Faster response time, greater
interference, which allows for more
fewer components and lowers
predictability, and more nodes can
margin in the system design
costs for more robust and
be daisy-chained for more accurate
reliable systems
and efficient systems
Ethernet PHY Transceiver
2
Texas Instruments 2016
Featured Products
DP83822
Industrial
DP83822
1.0
Differential Voltage (V)
Industry’s lowest-power 10/100 Mbps
Ethernet PHY for industrial applications
• Offers the highest operating temperature of
any Ethernet PHY
• Lowest power consumption of any 10/100 Mbps Ethernet
PHY on the market (<120 mW)
0.5
0
-0.5
-1.0
0
• Only 10/100 Mbps Ethernet PHY to support RGMII
MAC interface
2
4
6
10
8
Time (ns)
12
14
16
DP83822 eye diagram
• Flexible options with both copper and fiber support
• Time saving low loop latency by minimizing delay
between events
• IEEE 1588 SFD, WoL and EEE power saving feature
• 8 kV IEC 61000-4-2 ESD protection
DP83822-EVM evaluation board
Key Portfolio Products
= QFN
= QFP
Package
DP83822HF – MII, RMII, RGMII
Fiber
DP83848Q – MII, RMII, SNI
AEC -Q
DP83620 – MII, RMII
Single Port 10/100
NEW
Fiber
DP83630 – MII, RMII
IEEE1588
DP83640 – MII, RMII
IEEE1588
DP83848YB – MII, RMII, SNI
DP83848 - EP – MII, RMII, SNI
DP83867IRPAP – MII, RGMII, GMII
IEEE1588
NEW
IEEE1588
NEW
DP83849C
Single Port
10/100/1000
DP83867IS – SGMII, RGMII
DP83849C
DP83867E – SGMII, RGMII
IEEE1588
NEW
DP83849C – MII, RMII, SNI
Dual Port 10/100
DP83849IF – MII, RMII, SNI
-55
Ethernet PHY Transceiver
-40
0
Media Converter
Temperature Range (°C)
3
70
85
105
125
Texas Instruments 2016
Featured Products
DP83848Q-Q1
Automotive
DP83848Q-Q1
10/100 PHY customized for
automotive applications
• Automotive AEC-Q100 grade 2
• Deterministic, low transmit and receive latency
• Excellent jitter tolerance
• Auto-MDIX for 10/100 Mbps
• MII/RMII/SNI MAC interfaces
• Industrial temperature range (-40°C to 105°C)
• Low power consumption at 264 mW
• 4 kV (AEC Q100-002) ESD protection
TI Reference Design
The main benefit of using Ethernet within an OBD-II system is
that Ethernet operates at 100 times the speed of a CAN bus
and 20 times faster than CAN with flexible data rate (CAN-FD).
This increased bandwidth enables software and firmware
upgrades in minutes, rather than hours. The longer cable
reach also allows for more flexibility in end-of-the-line testing.
• Low power
consumption
(264 mW)
• Meets EN55011
Class A radiated
emission requirements
TIDA-00207 reference design
Single-Port 10/100 Ethernet PHY
Device
Automotive
diagram Temp
Interface application
Package
Range (°C)
Cable
Length (m)
No.
LEDs
JTAG
WoL
DP83822H*
MII, RMII, RGMII
QFN-32
–40 to 125
150
3
•
DP83822HF*
MII, RMII, RGMII
QFN-32
–40 to 125
150
3
•
DP83822I*
MII, RMII, RGMII
QFN-32
–40 to 85
150
3
•
DP83822IF*
MII, RMII, RGMII
QFN-32
–40 to 85
150
3
•
Fiber
Support
IEEE1588
Support
50 MHz
Clock Out
Cable
Diagnostics
SFD**
•
•
•
SFD**
•
•
SFD**
•
•
•
SFD**
•
•
DP83620
MII, RMII
QFN-48
–40 to 85
150
3
•
•
•
•
DP83630
MII, RMII
QFN-48
–40 to 85
150
3
•
•
•
•
•
DP83640
MII, RMII
QFP-48
–40 to 85
150
3
•
•
•
•
•
DP83848C
MII, RMII, SNI
QFP-48
0 to 70
137
3
DP83848-EP
MII, RMII, SNI
QFP-48
–55 to 125
150
3
DP83848H
MII, RMII
QFN-40
–40 to 125
137
1
DP83848I
MII, RMII, SNI
QFP-48
–40 to 85
150
3
DP83848J
MII, RMII
QFN-40
0 to 70
137
2
DP83848K
MII, RMII
QFN-40
–40 to 85
137
2
DP83848Q
MII, RMII, SNI
QFN-40
–40 to 105
150
1
•
•
DP83848VYB
MII, RMII, SNI
QFP-48
–40 to 105
150
3
•
DP83848YB
MII, RMII, SNI
QFP-48
–40 to 125
150
3
•
*New product
** Start of frame detect
Ethernet PHY Transceiver
4
Texas Instruments 2016
Featured Products
DP83867
Industrial
DP83867
Industry’s first gigabit PHY customized
for harsh industrial environments
• Exceeds industry’s performance
at ISO/IEC 8 kV
• Lowest latency for both 100 Mbps and 1 Gbps
modes, <90 ns TX & <290 ns RX
80
• Multiple MAC interfaces: S/R/GMII and MII
60
dBµV/m
70
• Industrial temperature range (–40°C to 105°C)
• Low power consumption <460 mW
50
40
30
20
• Small QFP and QFN package options available
10
• Output clock: 25 MHz or 125 MHz for daisy chaining
or supporting system clock
0
10
1000
100
MHz
• JTAG (IEEE 1149.1) for easy design-in and debug
DP83867E radiated emissions EN55011 class b (30 MHz to 1000 MHz)
generated from DP83867ERGZR EVM
• Start of frame detect for IEEE 1588 time stamp
TI Reference Design
• Dual-port Gigabit PHY evaluation kit with wide input voltage
range: 18-60 V
• Exceeds immunity requirements as per IEC61000-4-2,
IEC61000-4-3, IEC61000-4-4, and IEC61000-4-6
• Full reference schematics available for easy design-in
TIDA-00204 reference design
Single-Port 10/100/1000 Gigabit Ethernet PHY
Interface
Package
Temp
Range (°C)
ESD
(kV)
Cable
Length (m)
No.
LEDs
JTAG
WoL
IEEE1588
Support
25/125 MHz
Clock Out
Cable
Diagnostics
DP83867CS*
SGMII, RGMII
QFN-48
0 to 70
8
130
4
•
•
•
•
•
DP83867CR*
RGMII
QFN-48
0 to 70
8
130
4
•
•
•
•
•
Device
DP83867IRPAP*
GMII, RGMII, MII
QFP-64
-40 to 85
8
130
4
•
•
•
•
•
DP83867IRRGZ*
RGMII
QFN-48
-40 to 85
8
130
4
•
•
•
•
•
DP83867IS*
SGMII, RGMII
QFN-48
-40 to 85
8
130
4
•
•
•
•
•
DP83867E*
SGMII, RGMII
QFN-48
-40 to 105
8
130
4
•
•
•
•
•
*New product
Ethernet PHY Transceiver
5
Texas Instruments 2016
Featured Products
DP83849IF
Industrial
DP83849IF
Dual-port 10/100 Ethernet PHY
Port B
DP838491F
MPU / CPU
• Fiber support
Port A
25 MHz
Clock
Source
RJ45
MII/R MII/S NI
Magnetics Magnetics
MAC
• JTAG (IEEE 1149.1) for easy design-in and debug
MII/R MII/S NI
MAC
• Flexible port management
10BASE-T
or
100BASE-TX
RJ45
10BASE-FX
• Copper-to-fiber media converter
10BASE-T
or
100BASE-TX
10BASE-FX
Status
LEDs
Typical application block diagram
TX
10BASE-T
100BASE-TX
or
100BASE-FX
TX
MAC A
Port A
RX
RX
Flexible port switching allows the data path between the
cable side ports and the MAC interfaces to be modified
either at system development or dynamically via the
controlling software.
Multiple uses include the following:
• Extender
TX
TX
10BASE-T
100BASE-TX
or
100BASE-FX
Port B
MAC B
RX
• Software-assisted failover
• Dedicated copper/fiber ports
RX
• Ring network
Flexible-port block diagram
TX
Fiber
Switch
1-km Fiber Cable
Port A
RX
Fiber
TX
Port B
CAT5
Cable
RX
The DP83849IF features a media converter mode as
depicted in the figure to the left, allowing conversion
of copper to fiber and vice-versa at 100 Mbps. This
configuration allows longer run fiber to be used in
situations where fiber support is not built into the end
device. This can also be combined with power over
Ethernet on the copper side.
Node
Copper
Media conversion block diagram
Dual-Port 10/100 Ethernet PHY
Device
Temp
Range (°C)
ESD
(kV)
Cable
Length (m)
No.
LEDs
QFP-80
0 to 70
4
137
3
QFP-80
-40 to 85
4
137
3
•
MII, SMII, SNI
QFP-80
-40 to 85
4
137
3
•
•
•
MII, SMII, SNI
QFP-80
-40 to 85
4
137
3
•
•
•
Interface
Package
DP83849C
MII, RMII, SNI
DP83849I
MII, RMII, SNI
DP83849ID
DP83849IF*
JTAG
Fiber
Support
Cable
Diagnostics
•
•
* Flexible port
Ethernet PHY Transceiver
6
Texas Instruments 2016
End Applications
Commercial
Industrial
Automotive
Everyday consumer products
Robust and reliable
External gateway connections
Network printers
Factory automation (motor drives)
On-board diagnostics (OBD)
Broadband gateways
Smart grid (e-meters)
Firmware upgrades
Set-top boxes
Building automation (robots)
Navigation updates
Point of sale (POS)
Single-board computers (SBC)
Smart TVs
Motor control (stepper motors)
IP Phones
Power systems (relays)
Human machine interface (HMI)
Programmable logic controller (PLC)
Control panels
Ethernet PHY Transceiver
7
Texas Instruments 2016
TM
E2E Interface Forum
ti.com/e2einterface
Get more information on TI’s portfolio of high performance Ethernet products at ti.com/ethernet
Ethernet blogs
Ethernet instructional videos
Ethernet app notes
Latest Ethernet PHY blog posts
Hands-on instructional content
Advanced user guides
• Fiber in industrial applications
• Reduce design time with easy
IEEE 802.3 compliance
• Top three considerations for
harsh industrial Ethernet
• EMI/EMC compliant industrial temp
dual port gigabit Ethernet reference
design
• How Ethernet technology is
shifting modern markets
• RGMII interface timing budgets
• Ethernet PHY design and layout
guidelines
• Three things you should know
about Ethernet PHY
See more
See more
See more
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