Freescale Semiconductor TWR-MCF52259-Ethenet User Manual

TWR-MCF52259-Ethenet
Hareesh S
Sr.FAE
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
Ethernet Overview Session
Ethernet NIC
Ethernet Switch
Ethernet Cables
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
Ethernet Connector
TM
1
What is Ethernet?
It’s a cable I connect to my computer to surf the net
It’s how I do emails
My home router uses it to let all my computers talk
Why do we care about Ethernet?
Work is telling me I need it for my embedded product
It will let me remotely access my embedded product
Seems to be a cool way to have fast downloads
How will I use Ethernet?
Ethernet Overview Session
Just in factory application (i.e. local only)
Connected to WLAN (i.e. publicly accessible)
Through VPN only (i.e. secure tunnel)
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
2
Ethernet
Ethernet defines the mechanical/electrical connection between
devices (the physical layer).
Ethernet also defines a protocol used to communicate between
multiple devices (the MAC layer).
Ethernet is defined by the IEEE 802.3 standard
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
3
ColdFire
ColdFire
On-Chip
®
®
Generic ColdFire®Board Layout of Ethernet
MII – Media Independent Interface
Network
Network
Cable
Ethernet
PHY
PHY
MAC-Media Access Controller PHY-Physical Layer
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
Magnetics
Magnetics
Isolation
And
optional PoE
RJ45
RJ45
Jack
Line Voltage Levels
+2.8V or -2.8VDC
4
RJ45
RJ45
TM
MCF5223x
MCF5223x
M52233DEMO Board Layout of Ethernet
Network
Network
On-Chip Ethernet
PHY
w/ PHY
MAC-Media Access Controller PHY-Physical Layer
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
PHY
Magnetics
Magnetics
Isolation
And
optional PoE
Cable
RJ45
RJ45
Jack
Line Voltage Levels
+2.8V or -2.8VDC
5
RJ45
RJ45
TM
Connectors
RJ-45
Cables
CAT-5
Ethernet Overview Physical Session
24 AWG solid
bare copper
Four unbounded
twisted pairs
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
6
Ethernet Cable: Straight Through Pinout
The following table demonstrates the proper color scheme.
Wire pair #1:
Wire pair #2:
Wire pair #3:
Wire pair #4:
White/Blue Blue
White/Orange Orange
White/Green Green
White/Brown Brown
RJ-45 Pin
Sign al
Directi on
RJ-45 Pin
1--->TX+1
2--->TX-2
3<---RX+3
4--4
5--5
6<---RX-6
7--7
Source: http://www.netspec.com/helpdesk/wiredoc.html
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
8--8
TM
7
Ethernet Cable: Crossover Pinout
The following is the proper pin out and cable pair/color order for the "crossover" end.
Pair#2 is connected to pins 1 and 2 like this:
white/green Pin 1 wire color:
greenPin 2 wire color:
Pair#3 is connected to pins 3 and 6 like this:
white/orangePin 3 wire color:
orangePin 6 wire color:
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
8
* Distance Signal Travels at 100 Mbits?
Name Transmission Medium Data Rate
(Mb/s)
100BASE-TX 2 pairs of Category UTP-5,
alternative 2 pairs of STP, 150 Impedance, Cable Code MLT-3, Full Duplex
100BASE-FX 2 Multimode Optical Fiber (62.5/125
µm), Cable Code 4B5B, NRZI, Full Duplex
100BASE-T4 4 pairs of Category 3 UTP-(3/4/5) or
better, 100 Impedance, Cable Code 8B6T, No Full Duplex
100BASE-T2 2 pairs of Category 3 UTP-(3/4/5) or
better, Cable Code PAM5, Full Duplex
x
3
2
2
S
u
p
p
o
t
r
e
d
b
y
CF
M
5
100 100
100 2,000
100 100
100 100
Requires using external PHY
Distance
(m)
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
9
TM
Full Duplex Ethernet Links
Full duplex operation means that devices at each end of a full duplex
link can send and receive data simultaneously.
This means, theoretically, that Full Duplex has twice the bandwidth of normal (half duplex) Ethernet.
Since there are only two devices on a full duplex link, there is no shared channel and no collisions.
CSMA/CD protocol
prevents this
Full DuplexHalf Duplex
DTE
DTE
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
R
DTE
DTE
DTE
10
S
DTE
TM
Hub
= Multiport
repeater
Basic Ethernet Network
Ethernet
Switch
Router/Gateway
= Switching
physically
star topology (common transport medium
CSMA/CD!)
Logically
bus topology
Outputs all
incoming signals on
Hub, LAN Switch
Real star
topology
Physical
connection only for the duration of the communication
all outputs
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
11
Basic Ethernet Bus
Co-axial based Ethernet connection daisy chain connection
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
12
Collisions
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
13
HUB
Centralized connection Can bypass not connected
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
14
Switch
The switch reads the destination addresses and 'switches' the signals directly to the recipients without broadcasting to all of the machines on the network. This 'point to point' switching alleviates the problems associated with collisions and considerably improves network speed.
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
15
Ethernet Router/Gateway
A Router or Gateway is used to translate one protocol to
another.
It is also used when the physical layer changes mediums.
Ethernet to fiber
At one time there was a difference between a router and a
gateway.
The gateway was strictly used as a medium translator ( electrical ) and the router was strictly used as protocol
translator ( software ).
Now routers and gateways are normally combined and
called a routers.
Note: Ethernet to WiFi is a router functionality.
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
16
*Media Independent Interface (MII)
The MII links the Ethernet MAC with
the PHY.
An MII may support both 10-Mb/s and
100-Mb/s operation, allowing network devices to connect to both 10BASE-T and 100BASE-T media segments.
The MII electronics may be linked to
an outboard transceiver through a 40-pin MII connector and a short (0.5m) MII cable.
The MII is internally connected to the
EPHY on the MCF5223x
4-bit wide Tx and Rx data @2.5MHz or 25MHzTTL signal levels
Typical MII Interface
TXDn_<3:0> TX_ERn
TX_ENn TX_CLKn
RXDn_<3:0>
RXDVn
(MAC)
Controller
Media Access
RX_ERn RX_CLKn
CRSn COLn
Magnetics/Fiber Transceiver
PHY with
MII
Full duplexMedia status signals:Carrier Presence & Collision
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
17
*Autonegotiation
Auto-Negotiation is the exchange of information about each stations abilities over a link segment allows the stations to achieve the best possible mode of operation.
The highest performance mode of operation that Auto-Negotiation can achieve is based on a priority table.
The Auto-Negotiation protocol contains a set of priorities which result in the devices selecting their highest common set of abilities.
If the devices at both ends of the link can support full duplex operation, and if they also both support Auto-Negotiation of this capability, then they will automatically configure for full duplex.
The priorities are listed in the table below...
Auto-Negotiation priority Resolution Table
A 100 Base-TX Full Duplex B 100 Base-T4 C 100 Base-TX D 10 Base-T Full Duplex E 10 Base-T Half Duplex
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
Full duplex is given a
higher priority than
half duplex, since it
can send more data.
TM
18
The Ethernet Data Packet Format
Ethernet Data Frame – old/original format used
Preamble
Destination
Address
Source
Address
Frame
Type
Frame
User Data
FCS
Checksum
8 Byte 6 Byte 6 Byte 2 Byte 46 – 1500 Byte 4 Byte 64-1518
IEEE 802.3 Data Frame
SOF
Destination
Preamble
Address
7 Byte 1 Byte 2/6 Byte 2/6 Byte 2 Byte 46 – 1500 Byte 4 Byte
Source
Address
Length
Type
Frame
User Data
DSAP SSAP Control Data
FCS
Checksum
1 Byte 1 Byte ½ Byte
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
19
Terminology
CSMA - Carrier Sense Multiple Access
CD - Collision Detection OSI - Open Systems
Interconnection
ISO - International Organization for Standardization
LAN - Local Area Network
WAN- Wide Area Network
MAC - Medium Access Control
BD - Buffer Descriptor
PHY - Physical Layer Device
MDI - Medium Dependent Interface
CRC - Cyclic Redundancy Checking FCS - Frame Checksum IP - Internet Protocol TCP - Transmission Control
Protocol
UDP - User Datagram Protocol
ICMP - Internet Control Message Protocol
FEC - Fast Ethernet Controller
MII - Media Independent Interface
AUI - Attachment Unit Interface DTE - Data Terminal Equipment MAU - Medium Attachment Unit
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
20
Ethernet Definition…
Ethernet - http://dictionary.reference.com/search?q=Ethernet
<networking> A local area network first described by Metcalfe & Boggs of Xerox PARC in 1976. Specified by DEC,
Intel and XEROX (DIX) as IEEE 802.3 and now recognised
as the industry standard.
Data is broken into packets and each one is transmitted using the CSMA/CD algorithm until it arrives at the destination without colliding with any other packet. The first contention slot after a transmission is reserved for an acknowledge packet. A node is either transmitting or receiving at any instant. The bandwidth is about 10 Mbit/s. Disk-Ethernet-Disk transfer rate with TCP/IP is typically 30 kilobyte per second.
Version 2 specifies that collision detect of the transceiver must be activated during the inter-packet gap and that when transmission finishes, the differential transmit lines are driven to 0V (half step). It also specifies some network
management functions such as reporting collisions, retries
and deferrals.
Ethernet cables are classified as "XbaseY", e.g. 10base5, where X is the data rate in Mbps, "base" means "baseband" (as opposed to radio frequency) and Y is the category of cabling. The original cable was 10base5 ("full spec"), others are 10base2 ("thinnet") and 10baseT ("twisted pair") which is now (1998) very common. 100baseT ("Fast
Ethernet") is also increasingly common
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
21
More Ethernet References
Web sites:
http://www.tcpipguide.com/
http://www.uni-trier.de/infos/ether/ethernet-guide/ethernet-
guide.html#HDR%202.0%20%20%202%2062
http://www.lauraknapp.com/presentation.htm
http://www.ethermanage.com/ethernet/ethernet.html
http://osiris.sunderland.ac.uk/online/ethernet/ethernet.html
http://computer.howstuffworks.com/ethernet.htm
References:
Ethernet, The Definitive Guide Charles E. Spurgeon O'Reilly 2000 ISBN 1-56592-660-9
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
22
IP - Internet Protocol
The IP defines how a network of more then 2 devices is formed. IP
is the network Layer.
IPv4 uses 32 bit addressing IPv6 uses 128 bit addressing
A IPv4 node is defined by its IP address, and subnet mask.
IPv4 sample address 192.168.1.0 subnet 255.255.255.0
A IPv6 node is defined by its IP address
IP
2001:0DB8:0000:0000:0000:0000:1428:57ab
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
23
IP Classes
With IP V4, there are not enough IP addresses for everbody. To solve this problem, subnetting is used. IP addresses consists of 2 parts, a node address and a network
address. The class of the address and the subnet mask determine which part
belongs to the network address and which part belongs to the node address.
Each class is defined by the first 4 bits of the IP address.
Class A = 0xxx, or 1 to 126
Class B = 10xx, or 128 to 191
Class C = 110x, or 192 to 223
Class D = 1110, or 224 to 239
Class E = 1111, or 240 to 254
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
24
IP Subnetting
Each IP address contains a node address and a network address. The subnet mask determines which bits identify a node address, and
which bits identify a network address. The network bits are the 1’s, the node bits are the 0’s. Default subnet masks
Class A – 255.0.0.0 255 networks, > 16million nodes
Class B – 255.255.0.0 64K networks, 64K nodes
Class C – 255.255.255.0 >16 million networks, 255 nodes
CIDR = Classless Inter Domain Routing
Eliminates class restrictions giving finer control to netmask. Uses 192.168.1.99/24 nomenclature ( 24 = # of ones from left )
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
25
IPv4 network classes
Your IP address identifies the “neighborhood” your node is in.
“Private IP addresses” are not assigned by the IANA (Internet Assigned Numbers Authority)
Total # of addressesClassRFCPurposeCIDR EquivalentAddresses
0.0.0.0 - 0.255.255.255
10.0.0.0 - 10.255.255.255
127.0.0.0 -
127.255.255.255
169.254.0.0 -
169.254.255.255
172.16.0.0 - 172.31.255.255
192.0.2.0 - 192.0.2.255
192.88.99.0 - 192.88.99.255
192.168.0.0 -
192.168.255.255
198.18.0.0 - 198.19.255.255
224.0.0.0 -
239.255.255.255
240.0.0.0 -
255.255.255.255
16,777,216ARFC 1700Zero Addresses0.0.0.0/8
16,777,216ARFC 1918Private IP addresses10.0.0.0/8
16,777,216ARFC 1700Localhost Loopback Address127.0.0.0/8
65,536BRFC 3330Zeroconf169.254.0.0/16
1,048,576BRFC 1918Private IP addresses172.16.0.0/12
256CRFC 3330Documentation and Examples192.0.2.0/24
256CRFC 3068IPv6 to IPv4 relay Anycast192.88.99.0/24
65,536CRFC 1918Private IP addresses192.168.0.0/16
131,072CRFC 2544Network Device Benchmark198.18.0.0/15
268,435,456DRFC 3171Multicast224.0.0.0/4
268,435,456ERFC 1700Reserved240.0.0.0/4
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
26
NAT
Network Address Translation (NAT, also known as network masquerading or IP-masquerading)
involves re-writing the source and/or destination addresses of IP packets as they pass through a router or firewall.
Most systems using NAT do so in order to enable multiple hosts on a private network to access the
Internet using a single public IP address.
NAT is a non-standard protocol
Local
192.168.1.1
192.168.1.2
192.168.1.3
192.168.1.4
192.168.1.5
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
Router/Gateway
running NAT
IP=10.1.2.3
Default Gateway is where packets addressed outside the subnet are sent to.
Global
10.1.2.3192.168.1.0
internet
TM
27
Default Gateway
192.168.1.1
192.168.1.2
Router/Gateway
10.1.2.3192.168.1.0
internet
running NAT
192.168.1.3 IP=10.1.2.3
192.168.1.4
Default Gateway is where packets
192.168.1.5
addressed outside the subnet are sent to.
Local Global
Node 192.168.1.5 needs to send a packet to 207.68.172.246 (msn.com)
Node 192.168.1.5 identifies that 207.68.172.246 is outside the subnet (255.255.255.0 )
The packet is sent to 192.168.1.0, the default gateway
NAT translates the source field to 10.1.2.3
The internet sees a packet from 10.1.2.3 to 207.68.172.246
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
28
Getting packets into a NAT network
Default node gets all packets from internet from connection s not originated from subnet
Local
192.168.1.1
192.168.1.2
Router/Gateway
Global
10.1.2.3192.168.1.0
internet
running NAT
192.168.1.3 IP=10.1.2.3
192.168.1.4
Default node is where all packets
192.168.1.5
from internet that are not responses to packets from subnet are routed to.
If the connection originates from the internet ( like connecting to a web server on an embedded device ) NAT has a default node.
The default node is defined in the router/gateway.
Some routers/gateways always default to x.x.x.1
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
29
TCP is One of the Protocols in the Internet Protocol Suite
TCP - Transport Control Protocol
TCP provides a “virtual” connection from one point to another.
The protocol guarantees reliable and in-order delivery of sender to
receiver data. TCP also distinguishes data for multiple, concurrent
applications (e.g. web server and email server) running on the same
host.
TCP supports many of the Internet's most popular application
protocols and resulting applications, including the world wide web, and
email.
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
30
TM
Other Protocols in the Internet Protocol Suite
HTTP - HyperText Transport Protocol - Supported by Freescale Web Server
Used to transport HTML (web pages)
POP3 - Post Office Protocol
Used to “pull” email from a server
TFTP - Trivial File Transfer protocol - Supported by ColdFire Lite stack
Used to transfer blocks of data
UDP - User Datagram Protocol - Supported via Interniche
Used to transfer data without a connection
Provides 65535 multiplexed ports per IP address
PPP - Point to Point Protocol - Supported via Interniche
used to establish a direct connection between two nodes
DHCP - Dynamic Host Configuration Protocol - Supported by ColdFire Lite stack
Used to dynamically configure a device on a network
BOOTP – Bootstrap Protocol - Supported by ColdFire Lite stack
Another much simpler method of dynamically configuring a device on a network
DNS – Dynamic Name System - Supported via Interniche
A client/server based system to translate host/domain names or URL’s to IP addresses.
ARP – Address Resolution Protocol - Supported by ColdFire Lite stack
A lower level protocol required to match IP addresses and Ethernet MAC addresses
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
31
TM
The OSI 7 Layer Model
The Open Systems Interconnection Reference Model (OSI Model or OSI Reference Model for short) is a layered abstract description for communications and computer network protocol design, developed as part of the Open Systems Interconnect initiative.
TCP/IP Four
Layer 7 – Application
HTTP, SMTP, POP3, TFTP
Layer 6 – Presentation
Berkeley Socket Interface, XTI, Custom
Layer 5 – Session
Berkeley Socket Interface, XTI, Custom
Layer 4 – Transport
TCP, UDP
Layer 3 – Network
IP, ARP, ICMP (Internet Control Message Protocol)
Layer 2 – Data Link (MAC)
Ethernet, PPP
Layer 1 – Physical (PHY)
Layers
Equivalent:
Application
Transport
Network
Link
RS232, 10BASE-T, DSL, T1
All People Seems To Need Data Processing”.
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
32
Some Interesting RFC’s
0008 Functional specifications for the ARPA Network. G. Deloche. May-05-1969. (Not online) (Status: UNKNOWN)
0009 Host software. G. Deloche. May-01-1969. (Not online) (Status: UNKNOWN)
0011 Implementation of the Host-Host software procedures in GORDO. G. Deloche. Aug-01-1969. (Not online) (Obsoleted by
RFC0033) (Status: UNKNOWN)
0015 Network subsystem for time sharing hosts. C.S. Carr. Sep-25-1969. (Format: TXT=10695 bytes) (Status: UNKNOWN)
0016 M.I.T. S. Crocker. Aug-27-1969. (Format: TXT=682 bytes) (Obsoletes RFC0010) (Obsoleted by RFC0024) (Updated by RFC0024,
RFC0027, RFC0030) (Status: UNKNOWN)
0017 Some questions re: Host-IMP Protocol. J.E. Kreznar. Aug-27-1969. (Format: TXT=6065 bytes) (Status: UNKNOWN)
0018 IMP-IMP and HOST-HOST Control Links. V. Cerf. Sep-01-1969. (Format: TXT=634 bytes) (Status: UNKNOWN)
0019 Two protocol suggestions to reduce congestion at swap bound nodes. J.E. Kreznar. Oct-07-1969. (Format: TXT=3392 bytes)
(Status: UNKNOWN)
0020 ASCII format for network interchange. V.G. Cerf. Oct-16-1969. (Format: TXT=18504 bytes) (Status: UNKNOWN)
0021 Network meeting. V.G. Cerf. Oct-17-1969. (Format: TXT=2143 bytes) (Status: UNKNOWN)
0022 Host-host control message formats. V.G. Cerf. Oct-17-1969. (Format: TXT=4606 bytes) (Status: UNKNOWN)
0023 Transmission of Multiple Control Messages. G. Gregg. Oct-16-1969. (Format: TXT=690 bytes) (Status: UNKNOWN)
0031 Binary Message Forms in Computer. D. Bobrow, W.R. Sutherland. Feb-01-1968. (Format: TXT=11191 bytes) (Status:
UNKNOWN)
0033 New Host-Host Protocol. S.D. Crocker. Feb-12-1970. (Format: TXT=44167 bytes) (Obsoletes RFC0011) (Updated by RFC0036,
RFC0047) (Status: UNKNOWN)
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
33
TM
Freescale solution for Ethernet
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
Flash
Production - Available NOW
Execution - Specification frozen, in design
Planning - Specification subject to Change
Flexis 8-bit
Compatible
2009
ColdFire MCU Roadmap
1MB
MCF5216
512KB
MCF521/2/3/4
256KB
MCF52110
128KB
MCF52100
64KB
General Purpose /
Low Power
CAN
MCF51AC
CAN
RTC
RTC
MC51QE
Ultra Low
Power
MC51QE
Ultra Low
Power
5V Motor
Control
MCF51AC
5V Motor
Control
MCF5282
10/100 CAN
MCF5281
10/100 CAN
Ethernet
MCF52233/4/5
10/100 + PHY
CAN
Encryption
MCF52230/1
10/100 + PHY
CAN
MCF52236
10/100 +
PHY
MCF52232
10/100 +
PHY
Low cost
MCF5225x
10/100 USB
otg MQX
MCF5225x
10/100 USB
otg, MQX
MCF51CN128
Ethernet,
External Bus
RTOS
RTOS
MCF52223
USB otg (FS)
MCF52211
USB otg (FS)
MCF52210
USB otg (FS)
USB
MCF52213
USB otg (FS)
MCF52212
USB otg (FS)
MCF51JM
USB otg (FS)
CAN
Encryption
MCF51JM
USB otg (FS)
CAN
Encryption
MC51FQE
32KB
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
Ultra Low
Power
TM
35
Cold
Cold
Fire V2 Core
Fire
• Up to 76 Dhrystone 2.1 MIPS @ 80 MHz
• MAC Module and HW Divide
Encryption – CAU
External Bus
• Up to 64K bytes SRAM
Up to 512K bytes Flash
USB 2.0 full-speed Host/Device/On-the-go
Controller
CAN – (FlexCAN)
FEC (10/100 Ethernet)
• 3 UARTs
• Serial Peripheral Interface (Queued SPI)
• I2C bus interface modules
• 4 ch. 32-bit timers with DMA support
• 4 ch. 16-Bit Capture/Compare/PWM timers
• 2 ch. Periodic Interrupt Timer
• 8 ch. PWM timer with enhanced DAC capabilities
• 2ndWatchdog timer with independent clock
• Real Time Clock with 32kHz crystal oscillator
• 8 ch. 12-bit A-to-D converter with simultaneous sampling
• Up to 56 5V Tolerant General-Purpose I/O
• System Integration (PLL, SW Watchdog)
512KBytes
Flash
64KBytes
SRAM
256KBytes
Flash
64KBytes
SRAM
256KBytes
Flash
32KBytes
SRAM
Memory Options
Crypto
(CAU)
RNGA
Optional
Cold
Cold
USB
otg
Flash SRAM
10/100
FEC
CAN
EMAC
Fire: MCF5225x
Fire
DMA
Cold
Cold
Core
4ch 32-bit
Timer
4ch 16-bit
Timer
RTC
2ch PIT
V2
®
®
Fire
Fire
32kHz
Osc.
8-ch 12-bit
System
Integration
I2C
QSPI
ADC
8ch
PWM
GPI/O JTAGPLLBDM
UART
UART
UART
4ch DMA
Ext
Bus
EZPORT
•Single 3.3V supply
•Temperature Range: -40°C to +85°C
•Available Speeds: 66 and 80MHz
•Available packages: 100 LQFP, 144 LQFP, 144 BGA
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
36
MCF52259 –FEC features
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
37
MCF52259-FEC Fetures
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
38
MCF522xx – Ethernet Media Access Controller (MAC)
The Ethernet MAC supports 10/100 Mbps Ethernet/IEEE
802.3 networks
IEEE 802.3 full duplex flow control
Support for full-duplex operation (40Mbps throughput) with a minimum system clock rate of 50MHz
Support for half-duplex operation (20Mbps throughput) with a minimum system clock rate of 25MHz
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
39
The ePHY (embedded PHYsical layer interface) is IEEE 802.3 compliant
Supports both the media­independent interface (MII) and the MII management interface
Full-/half-duplex support in all modes
MCF5223x - ePHY
Requires a 25-MHz crystal for its basic operation
Supports Loopback modes
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
40
MCF51CN
Up to 46 Dhrystone 2.1 MIPS
@ 50 MHz
Mini-FlexBus support up to
2MB external memory
Ethernet:
• 10/100 FEC – Fast Ethernet Controller with DMA
• MII Interface with Output Clock for PHY
• Support Half/Full Duplex
MII
10/100
FEC
2x 3ch TPM
MCF51CN
PHY Clk
Out
12 Ch 12-Bit
DMA
GPI/O
ADC
RTC
Complete Ethernet Solution
Freescale MQX™
Rapid GPI/O
2x I2C
2x SPI
2x MTIM8
MCG
3x UART
MQX Software
Reuse of softwareFull production source code
16ch KBI
128K
Flash
Developers keep their source
modifications
Small, configurable footprintIntegrated communication
BDM
ColdFire
Core
V1
®
DBG
System
Integration
suite (RTCS)
Eliminates initial software
investment hurdle
$95K worth of software from
day one
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
24K
SRAM
Ext
Bus
www.freescale.com/mqx
41
41
TM
®
68K/
68K/
Cold
Cold
Fire
Fire
®
V1 Core
Up to 46 Dhrystone 2.1 MIPS @ 50 MHz
Mini Flexbus support up to 1MB external memory (80LQFP) support 2
Devices
Memory
128K bytes flash
24K bytes SRAM
MII
10/100
FEC
MCF51CN128
PHY Clk
Out
12 Ch 12-Bit
DMA
GPI/O
ADC
Rapid GPI/O
2x I2C
Features
Ethernet:
10/100 FEC – Fast Ethernet Controller with DMA
MII Interface with Output Clock for PHY
Support Half/Full Duplex
Low power mode – Ethernet operation supported at 3V and above
Ultra-small (7x7mm) 48-pin package
12-Ch, 12-Bit ADC
3x UARTs (2 on 48 pin, 3 on 64/80 pin)
2x SPI
2x I2C bus interface
Real Time Counter
Up to 70 General-Purpose I/O
System Integration
(PLL, SW Watchdog)
Single Voltage Supply 1.8-3.6V
PackagePart #
ADC
Ch
KBI
Port
I/O
Rapid
GPIO
2x 3ch TPM
2x MTIM8
16ch KBI
BDM
Cold
Cold
SCI
(UART)
V1
Core
Fire
Fire
®
®
TPM
Ch
RTC
MCG
128K
Flash
DBG
Integration
Ext Bus lines
addr/data/chip
System
select
2x SPI
3x UART
24K
SRAM
Ext
Bus
10K# SRP
$3.3120 / 8 / 2631670161280LQFPMCF51CN128CLK
$3.21 -631654121264LQFPMCF51CN128CGT
$2.99 -6383861248QFNMCF51CN128CLH
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
42
Freescale Complimentary Software Solution
InterNiche and Freescale have collaborated to provide and OEM
version of InterNiche’s NicheLite optimized for the ColdFire
architecture.
Key Features:
Address Resolution Protocol (ARP) Internet Protocol (IP) Internet Control Messaging Protocol
(ICMP) User Datagram Protocol (UDP) Transmission Control Protocol (TCP) Dynamic Host Configuration Protocol
(DHCP) Client Bootstrap Protocol (BOOTP) Trivial File Transfer Protocol (TFTP)
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
43
CodeWarrior
development
environment
(MQX OS Aware)
CodeWarrior
Processor
Expert
MQX PC host
tools
3rdParty:
IAR
(MQX OS Aware)
Open Source BDM
3rdparty:
Emulator/Probe
Demo Code
Application tasks &
industry-specific libraries
MQX RTOS
Optional
Services
Core Services MQX RTOS
BDM/
JTAG
Freescale Complete Solution
Applications
Customized
Applications
File System
Ethernet
(RTCS)
BSP/PSP
MCF5225x Microcontroller
USB
CAN
3 Party & FSL
• MCF5225x is a one-stop-shop connectivity MCU with on-chip USB,
Application
Discrete Driver
rd
Enablement
Layer
HAL
Hardware
Ethernet, CAN and encryption.
• MQX offers RTOS, USB Stack and drivers, RTCS of Ethernet stack, file systems and more functions
• A single CodeWarrior development studio supports the entire ColdFire Family.
• Processor Expert allows GUI-enabled interface.
• Cost effective and full function development tools with built in BDM module for in-circuit debug
PC-Hosted On-Device
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
Freescale Enablement (MQX)
TM
44
RTCS – Real-time TCP/IP Communications Suite
RPC
XDR
Telnet
SSH XML
Sockets
ICMP TCP
ICMP UDP
NAT CIDR
IP-E IPCP PAP CHAP CCP LCP
FTP
BootP
BootP
SSL
IP
IP
SMTP
TFTP
DHCP
DHCP
RIP
UDP IGMP
POP3
HTTP
DNSSNMPTFTP SNTP
Protocols
ARP
ARP
Ethernet
Ethernet
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
PPP
Serial
Serial
PPPoE
HDLC
TM
45
Freescale owns
Source code, rights to distribute and modify across the Freescale Portfolio
Freescale MQX Software Solutions
Full- Featured and Powerful
Full- Featured and Powerful
.
Benefits
Full production source code* with silicon
Commercial-friendly licensing model that lets
developers keep their source modifications
Small, configurable footprint
Integrated stacks (TCP/IP, USB, etc.)
Value
Eliminates initial software investment hurdle
$95K worth of software from day one
Proven
Market-proven on Freescale processors for over 15 years and used in millions end use products, now a part of the offering.
One Collaborative Source
Hardware: MCF5225x (ColdFire)
Tool: CodeWarrior ™(CW7.1 plus v7.1.1) & IAR
System (RTOS Task aware debugging)
Run-time software: Freescale MQX
Strong Third Party Support Network
What is Freescale MQX?
RTOS (Full priority-based, pre-emptive
scheduler)
Real-time TCP/IP Communication Suite
(RTCS)
TCP/IP, FTP, Telnet, DHCP, SNMP etc..
USB Host - HID, MASS, HUBUSB Device - HID, MASS, CDCMS-DOS File System (MFS ) BSP I/O Driver: CAN, UART etc…HTTP Web server
Past Customer Problem
The Solution
* Complimentary with MCF5225x. Subject to License Agreement
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
4646
HTTP server
Coldfire TCP/IP Stack Features
Transmission control protocol (TCP)
HTTP client
RSS/XML client
TCP/UDP client and server
Serial to Ethernet client and server
TFTP
DHCP or Manual IP configuration
Domain name server client (DNS)
User Datagram protocol (UDP)
Internet controlling message protocol (ICMP)
BOOT strap protocol
Address resolution protocol (ARP)
Internet protocol (IP)
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
47
TCP/IP stack overview
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
48
TCP/IP stack structure
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
49
More details about the stack
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
50
Coldfire TCP/IP flash and RAM requirement
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
51
Ethernet LABs
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
Install the Given exe file TCP_IPLite_MCF5225xI.exe
LAB1
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
53
Directory Structure
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
54
Directory Structure
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
55
Open the codewarrior for coldfire
Open the Coldifre_Lite7x …*.mcp project file.
Project file
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
56
Project file details
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
57
Coldfire TCP/IP lite stack files
Main.C – setting IP and MAC address
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
58
LAB1
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
Connect the board via USB and serial to the board
Select the Coldfire_Lite project in code warrior.
Compile the code. Flash the program into the
controller using codewarrior
Flashing and booting the board
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
60
Compiler the code
Make button
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
61
Flash progamming
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
62
Flash file selection
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
63
Erase and program the flash
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
64
Baudrate – 115200 Stop bit – NO Data bit – 8 Parity None
Hyper terminal setting
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
65
Reset the board- Should receive the message
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
66
Commands
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
67
Setting IP address at PC side
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
68
Comunicating between the board and PC – PING COMM
Connect the Ethernet cable between the MCF52259 board to PC
Type the command ping “192.168.0.98” from PC side.
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
69
IP Address changing
Open the Main.c file Change the IP address. Check with the ping command as well as in boot mointor about the
changes you have done for IP address is working or not.
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
70
LAB2 – Serial to Ethernet and Visa versa
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
TM
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
Freescale Semiconductor Confidential Proprietary. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2004
TM
72
LAB3 – Web server
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
Webserver project
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
74
Webserver demo
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
TM
75
TM
April 7, 2010
TWR-MCF52259-USB
TM
Hareesh S
Sr.FAE
a
K2u/USB Workshops-on-Demand Series
d n
e g
A e
l u d
o M
This module contains
Introduction to USB
Basic Operation of USB hardware and software
USB Data Structures for K2/3u
USB API Calls for K2/3u
:
TM
Introduction To USB
TM
In This Section:
Introduction to USB
Motivation for the USB Standard
TM
History and Evolution of USB
USB Topology
USB Connectors
U
S
M
USB - Universal Serial Bus was born out of the need to provide designers and end-users with:
an alternative to Apple’s 1394 digital link
otiva
tio
n
fo
r
B
Introduction to USB
standard (FireWire )
®
a fast, bi-directional, low-cost, dynamically attachable serial interface
that removes the port availability constraints for the PC and other devices
TM
M
Introduction to USB
otiva
tio
n
fo
r
U
S
TM
B
n o
i
t a
v
i
t
o
Introduction to USB
M
and adds true plug-and-play attributes for a wide range of devices simultaneously
with minimal or no user intervention required for configuration
and is very end-user friendly
H
sto
i
y a
r
d E
n
olu
v
tio
n
Introduction to USB
U
5 9 9 1
S
B
g
r
o
u
p
n
c
o
i
t
a
c
i
f
i
B
S
U
8 9 9 1
1
.
1
c
e
p
S
d
e
m
r
o
f
B
S
U
1996
1
.
0
S
e
p
n
o
i
t
a
c
i
f
i
c
e
p
S
TM
0
.
2
B
S
U
2000
n
o
i
t
a
c
i
f
i
O
B
S
U
1 0 0 2
n
o
G
-
e
h
t
-
Introduction to USB
o
t
d
n
r
t
s
o
H
i
Current USB Speeds and Limitations
y
a
E
v
olu
i
n
Introduction to USB
Spec
USB 1.1 Low­speed
USB 2.0 Low­speed
USB 1.1 Full­speed
USB 2.0 Full­speed
USB 2.0 High­speed
Performance
1.5 Mbps / 10­100 Kbps
12 Mbps / 5-10 Mbps
480 Mbps / 25­400 Mbps
Keyboard, mouse, joystick
Printers, audio devices, floppy drives
Video, storage, imaging
NotesApplicationsData Rate and
Low cost but limited
TM
performance; type and number of endpoints are limited
Moderate performance; guaranteed latency; guaranteed bandwidth
Vast bandwidth improvements
Introduction to USB
l
p
o
o
T
USB Spec Provides for a Flexible Tiered Star Topology
o
g
y
y g o
l o p o
T B
S U
Introduction to USB
Single Host – The host controls communication with each device
Up to 127 devices can be attached
Devices are one of the following:
TM
Hubs (provide additional attachment points)
Functions (devices) which provide capabilities to the system (e.g.,
printer, thumb drive, I-pod)
Up to 7 tiers
Can have up to 5 hubs deep with a max of 5 meters between each
hub
y g o
l o p o
T
o
p
log
o
y
Host
Root Hub
Hub
- Tiered Star
TM
Hub
Hub
T B
S U
Introduction To USB
Hub
U
S
B
Introduction to USB
S
t
a
n
d
a
d C
r
o
n
n
e
c
t
o
r
s
Introduction To USB
A-connector (upstream)
B-connector (downstream)
A
Connector types
B
Root Hub
A
A
B
A
B
Hub
A
A
B
B
A
B
Hub
TM
B
A
B
B
Hub
A
A
B
y g o
l
Introduction to USB
o p o
T B
S U
Software
General Concepts
TM
In This Section:
How Data is Transferred in USB
TM
How Does the Host Know the Device’s Requirements?
The Enumeration Process: What happens when a device is connected?
A More Detailed Look at What Comprises a Frame
API Calls: What happens after enumeration?
Software – General Concepts
s
c
r
B
e
r
n
e
G
h
T
USB is a token-based (packet) standard. Data is transferred between the host and the device in a series of frames, transfers, transactions, and packets within1 Ms/1500 byte frames.
e
How Data is Transferred in USB
l U
a
S
P
o
e
s
Software – General ConceptsTMSoftware – General Concepts
Transfer 1
Transaction
Start of Frame
Transaction 1
Packet 1
Packet 2
Frame
Transfer 2
Transaction 2
Packet 3
Packet 1
1500 bytes / 1 Ms
Packet 2
Packet 3
Transaction 3
Packet 1
Packet 2
TM
Transfer 3
Transaction 1
Packet 3
Packet 1
Packet 2
Packet 3
s
T
h
e
G
e
n
e
r
l U
a
S
B
P
r
o
c
e
s
How Data is Transferred in USB
Frames are made up of transfers, which are made up of transactions, which are made up of packets. The USB host schedules these 1mS frames when communicating with the low and full speed devices.
Frame
Transfer Transfer
Transaction
1 t e k c a
P
2 t e k c a
P
3 t e k c a
P
Transaction Transaction Transaction
1 t e k c a
P
2 t e k c a
P
3 t e k c a
P
e k c a
P
1 t
2 t e k c a
P
3 t e k c a
P
1 t e k c a
P
2 t e k c a
P
3 t e k c a
P
T
h
r
B
e
r
n
G
e
Transfer Transfer
e
How Data is Transferred in USB
There are 4 types of data transfer:
1. Interrupt
2. Bulk
3. Isochronous
l U
a
Frame
S
P
o
TM
c
e
s
s
Software – General Concepts
4. Control
The type of transfer depends upon the type of device and its data requirements (this is discussed in more detail later).
T
h
B
e
r
n
e
G
e
How Data is Transferred in USB
l U
a
Transfer
S
P
r
o
c
e
s
s
Software – General Concepts
Transaction
Each transfer can contain multiple transactions and a transaction can span multiple frames
The host schedules transactions within the 1mS frame.
Transaction
TM
T
h
B
e
r
n
e
G
e
How Data is Transferred in USB
l U
a
S
P
r
o
c
e
s
s
Transaction
1 t e k c a
P
For each transaction there are three types of packets that communicate the data between host and device:
1. Token Packet – the header that defines what follows
2. Optional Data Packet – contains the data being transmitted
3. Status/Handshake Packet – used to acknowledge transactions
2 t e k c a
P
e k c a
P
3 t
Transaction
1 t e k c a
P
2 t e k c a
P
3 t e k c a
P
TM
Software – General Concepts
and provide a means of error correction
s
c
r
B
e
r
n
e
G
h
T
How Does the Host Know a Device’s Requirements?
When a USB device is plugged into a USB port the host communicates with the device and configures each device according its unique
e
l U
a
S
P
o
e
s
Software – General Concepts
requirements such
1. Type of transfer required (interrupt, bulk, isochronous, or control
2. Who supplies the power (host or device)
3. Maximum packet size
4. The number of configurations (e.g., a single device can be configured to use its own power or power from the host)
5. Manufacturer’s product ID and registration information
6. Etc.
This configuration process is called enumeration. Enumeration is be covered in greater detail later in this presentation
as:
TM
s
c
r
B
e
r
n
e
G
h
T
How Does the Host Know a Device’s Requirements?
These requirements are communicated to the host through a hierarchy of C program descriptors. The types of descriptors include:
1. Device Descriptors
2. Configuration Descriptors
3. Interface Descriptors
4. Endpoint Descriptors
e
l U
a
S
P
o
e
TM
s
Software – General Concepts
5. String Descriptors
s
c
r
B
e
r
n
e
G
h
T
How Does the Host Know a Device’s Requirements?
This hierarchy of the most commonly used descriptors looks like this:
e
l U
a
Device Descriptor
S
P
o
e
TM
s
Endpoint
Descriptor
Software – General Concepts
Interface
Descriptor
Endpoint
Descriptor
Configuration
Descriptor
Endpoint
Descriptor
Interface
Descriptor
Endpoint
Descriptor
Interface
Descriptor
Endpoint
Descriptor
Configuration
Descriptor
Endpoint
Descriptor
Interface
Descriptor
Endpoint
Descriptor
Endpoint
Descriptor
e
r
n
e
G
h
T
How Does the Host Know a Device’s Requirements?
Device Descriptor
Since the device descriptor represents the entire device, there can be only one per device. This descriptor specifies basic information such as: USB version supported, maximum packet size, the number of configurations, and vendor and product ID info.
e
l U
a
s
c
r
B
S
//-----------------------------------------------------------­// Sample Standard Device Descriptor Type // Definition Fields //------------------------------------------------------------
Length (18 bytes) Descriptor Type (DEVICE) USB Spec Release Number (0200h) Device class (hub type…Human Interface defined in
Device Sub-class (00h) Device protocol (00h) Maximum Packet size (64 bytes – max for the
Vendor ID (ID assigned by USB IF) Product ID (ID assigned by product manufacturer) Device release number (revision code of device) Manufacturer (ABC Corp) Product (string identifier) Serial Number (1234) Number of configurations (1 or more configurations
P
o
other descriptor, CDC described here)
e
TM
can follow)
s
endpoint)
Software – General Concepts
e
r
n
e
G
h
T
How Does the Host Know a Device’s Requirements?
Configuration
Descriptor
The configuration descriptor is a header to the interface descriptors. It specifies how this configuration of the device is powered, what the maximum power consumption is, and how many interfaces there are. There can be more than one configuration descriptor (for example: if the device can switch between self-power and
e
l U
a
s
c
r
B
S
//-----------------------------------------------------------­// Sample Standard Configuration Descriptor Type // Definition Fields //------------------------------------------------------------
Length (9 bytes) Descriptor Type (CONFIGURATION) Total Length (total length in bytes of data returned) Number of Interfaces (number of interfaces present
for this configuration) Configuration Value (value used by the SetConfiguration request to select this configuration) Configuration (Index of String Descriptor describing this configuration) Attributes (bus powered, self powered, remote wakeup) Max Power (Maximum Power Consumption in 2mA units)
P
o
e
TM
s
host-power).
Software – General Concepts
Loading...