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List of electrical characteristics of single [[collision domain]] [[Network segment|segment]] "slow speed" network buses:
{{Short description|List of single collision domain electronic communication bus systems}}
List of electrical characteristics of single [[collision domain]] [[Network segment|segment]] "slow speed" network [[Bus (computing)|buses]]:


{| class="wikitable sortable" style="width:100%;"
{| class="wikitable sortable" style="width:100%;"
! Name !! Multidrop !! Max nodes !! Electrical type !! Cable type !! Max bitrate [[[Data rate units#Kilobit per second|kbit/s]]] / Length !! Max length [m] / bitrate
! Name !! Multidrop !! Max nodes !! Electrical type !! Cable type !! data-sort-type="number"|Max bitrate [[[kbit/s]]]
!data-sort-type="number"|Length at max bitrate!! data-sort-type="number" |Max length [m]
!data-sort-type="number"|Bitrate at max length
|-
|-
<!--DO NOT REMOVE THIS LINE - to fix numeric sorting of columns-->| || ||<span style="display:none">0</span> || || || <span style="display:none">0</span>|| <span style="display:none">0</span>
<!--DO NOT REMOVE THIS LINE - to fix numeric sorting of columns-->| || ||<span style="display:none">0</span> || ||
| ||<span style="display:none">0</span>
| ||<span style="display:none">0</span>
|-
|-
| [[EIA-485]] {{nowrap|([[Universal asynchronous receiver/transmitter|UART]] based)}} || Y || 256 || [[EIA-485]] || [[Twisted pair]] || 1000 kbit/s || 1330 m / 64 kbit/s
| [[EIA-485]] {{nowrap|([[Universal asynchronous receiver/transmitter|UART]] based)}} || Y || 256 || [[EIA-485]] || [[Twisted pair]] || {{nowrap|1000 kbit/s}}
| || {{nowrap|1330 m}}
|{{nowrap|64 kbit/s}}
|-
|-
| [[SCSI|SCSI-1/2]] || Y || 8 || [[Open collector]] || [[Ribbon cable]] || {{nowrap|20 000 kbit/s}} / {{nowrap|3 m}}<!--Ultra Wide SCSI--> || 6 m / 5 Mbit/s/ch
| [[SCSI|SCSI-1/2]] || Y || 8 || [[Open collector]] || [[Ribbon cable]] || {{nowrap|20 000 kbit/s}}<!--Ultra Wide SCSI-->
|{{nowrap|3 m}}|| {{nowrap|6 m}}
|data-sort-value="5000"|{{nowrap|5 Mbit/s/ch}}
|-
|-
| [[SCSI|SCSI Ultra2]] || Y || 16 || [[EIA-485]] || [[Twisted pair]] || {{nowrap|40 000 kbit/s}} / {{nowrap|12 m}}<!-- DDR not considered --> ||
| [[SCSI|SCSI Ultra2]] || Y || 16 || [[Differential signalling|Differential]] || [[Ribbon cable]] with twisted pairs || {{nowrap|40 000 kbit/s}}<!-- DDR not considered -->
|{{nowrap|12 m}}||
|
|-
|-
| [[Local Interconnect Network|LIN]]<ref>{{Cite web|url=https://www.lin-cia.org/en/standards/|title=LIN Standards (older versions are free to download, newer to be bought on ISO web site)|website=www.lin-cia.org|access-date=2019-07-31}}</ref>|| Y || 16 ||[[Open collector]]||open collector with pull-up to 12V car supply
⚫
| [[Local Interconnect Network|LIN]] || Y || 16 || [[Single-ended signalling|Single ended]]<!-- correct? --> || || 19.2 kbit/s / 40 m ||
|{{nowrap|19.2 kbit/s}}
|{{nowrap|40 m}}||
|
|-
|-
| [[Serial Input/Output eXchange|SIOX]] || Y || 62 || || || 19.2 kbit/s ||
| [[Serial Input/Output eXchange|SIOX]] || Y || 62 || || || {{nowrap|19.2 kbit/s}}
| ||
|
|-
|-
| [[I²C]] || Y || 127 or 1023 || [[Open collector]] || || 3400 kbit/s || 7.6 m<!--Considering bus capacitance 400pF + cat5e 52pF/m rounding down. Good data missing.-->
| [[I²C]] || Y || 127 or 1023 || [[Open collector]] || || {{nowrap|5000 kbit/s}}
| || {{nowrap|7.6 m}}<!--Considering bus capacitance 400pF + cat5e 52pF/m rounding down. Good data missing.-->
|
|-
|-
| [[System Management Bus|SMB]] || Y || 128 || [[Open collector]] || || 100 kbit/s || <!--Assumed equal to I2C, correct?-->
| [[SMBus]] || Y || 128 || [[Open collector]] || || {{nowrap|100 kbit/s}}
| || <!--Assumed equal to I2C, correct?-->
|
|-
|-
| [[PMBus]] || Y || 128 || [[Open collector]] || || 400 kbit/s ||
| [[PMBus]] || Y || 128 || [[Open collector]] || || {{nowrap|400 kbit/s}}
| ||
|
|-
|-
| [[10Base-2]] || Y || 30 || [[Differential signaling|Differential]] || [[RG-58|RG58 Coax]] || {{nowrap|10 000 kbit/s}} / {{nowrap|185 m}} || {{nowrap|185 m}}
| [[10BASE5]] || Y || 100 || [[Single-ended signalling|Single ended]] || [[RG-8|RG-8X coaxial]] || {{nowrap|10 000 kbit/s}}
|{{nowrap|500 m}}||{{nowrap|500 m}}
|
|-
|-
⚫
| [[10BASE2]] || Y || 30 || [[Single-ended signalling|Single ended]] || [[RG-58|RG-58 coaxial]] || {{nowrap|10 000 kbit/s}}
⚫
| [[Controller–area network|CAN]] || Y || 128 || [[EIA-485]] || [[Twisted pair]] || 1000 kbit/s / 40 m || 1000 m / 40 kbit/s <ref name="ucpros_com-Microcontroller_20Communication_20Interfaces_203">{{cite web|title=Microcontroller Interfaces, Part 3|url=http://www.ucpros.com/work%20samples/Microcontroller%20Communication%20Interfaces%203.htm}} 090114 ucpros.com</ref>
|{{nowrap|185 m}}||{{nowrap|185 m}}
|
|-
|-
| [[Controller–area network|CAN]] || Y || 128 || [[ISO 11898-2]] Differential || [[Twisted pair]] || {{nowrap|1000 kbit/s}}
⚫
| [[DMX512-A]] || Y || 512 || [[EIA-485]] || [[Twisted pair]] {{nowrap|120 Ω}}<!-- correct?--><ref name="dmx512-online_com-physl">{{cite web|title=Ujjal's DMX512 Pages....DMX512 Physical properties|url=http://www.dmx512-online.com/physl.html}} 090610 dmx512-online.com</ref> || 250 kbit/s / 100 m || 150 m / 250 kbit/s<ref name="lanbox_com-chapter5">{{cite web|title=LanBox-LC FAQ, DMX FAQ and Specifications|url=http://www.lanbox.com/support/LanBox-LC_manual/chapter5.html}} 090610 lanbox.com</ref>
⚫
|{{nowrap|40 m}}|| {{nowrap|1000 m}}<ref name="ucpros_com-Microcontroller_20Communication_20Interfaces_203">{{cite web|title=Microcontroller Interfaces, Part 3|url=http://www.ucpros.com/work%20samples/Microcontroller%20Communication%20Interfaces%203.htm}} 090114 ucpros.com</ref>
|{{nowrap|50 kbit/s}}
|-
⚫
| [[DMX512-A]] || N || 32 || [[EIA-485]] || [[Twisted pair]] {{nowrap|120 Ω}}<!-- correct?--><ref name="dmx512-online_com-physl">{{cite web|title=Ujjal's DMX512 Pages....DMX512 Physical properties|url=http://www.dmx512-online.com/physl.html}} 090610 dmx512-online.com</ref> || {{nowrap|250 kbit/s}}
| {{nowrap|548 m}}|| {{nowrap|548 m (1800ft.)}}<ref name="lanbox_com-chapter5">{{cite web|title=DMX Wiring and Practice Quick Reference|url=https://www.pathwayconnect.com/index.php/support/reference-articles/99-dmx-wiring-and-practice-quick-reference}}</ref>
|{{nowrap|250 kbit/s}}
|-
|-
|-<!-- ! Name !! Multidrop !! Max nodes !! Electrical type !! Cable type !! Max bitrate / Length !! Max length / bitrate -->
|-<!-- ! Name !! Multidrop !! Max nodes !! Electrical type !! Cable type !! Max bitrate / Length !! Max length / bitrate -->
| [[Digital Command Control#How DCC works|DCC]] || Y || 127 || [[Single-ended signalling|Single ended]] || || 5 kbit/s ||
| [[Digital Command Control#How DCC works|DCC]] || Y || 127 || [[Single-ended signalling|Single ended]] ||
|{{nowrap|5 kbit/s}}||
| ||
|-
|-
| [[RS-232]] || N || 2 || [[Single-ended signalling|Single ended]] || || 128 kbit/s / ~1.5 m || 15 m / 19.6 kbit/s
| [[RS-232]] || N || 2 || [[Single-ended signalling|Single ended]] || || {{nowrap|128 kbit/s}}
|{{nowrap|1.5 m}} (approx)|| {{nowrap |15 m
|{{nowrap|19.6 kbit/s}}
|-
|-
| [[Peripheral Sensor Interface 5|PSI5]] || Y || || || [[Twisted pair]] || 189 kbit/s || 12 m (approx)
| [[Peripheral Sensor Interface 5|PSI5]] || Y || || || [[Twisted pair]] || {{nowrap|189 kbit/s}}
| || {{nowrap|12 m}} (approx)
|
|-
|-
| [[1-Wire]] || Y || 2<sup>48</sup> || [[Open collector]] || Single conductor, with ground || 16.3 kbit/s || {{nowrap|300 m}}
| [[1-Wire]] || Y || 2<sup>48</sup> || [[Open collector]] || Single conductor, with ground || {{nowrap|16.3 kbit/s}}
| ||{{nowrap|300 m}}
|
|-
|-
| [[X10 (industry standard)|X10]] || Y || 256 || || [[Power line communication|Power line]] || 0.05 kbit/s / 0.06 kbit/s ||
| [[X10 (industry standard)|X10]] || Y || 256 || || [[Power line communication|Power line]] || {{nowrap|0.05 kbit/s}} / {{nowrap|0.06 kbit/s}}
| ||
|
|-
|-
| [[FlexRay]] || || || || [[Twisted pair]] || {{nowrap|20 000 kbit/s}} ||
| [[FlexRay]] || || || || [[Twisted pair]] || {{nowrap|20 000 kbit/s}}
| ||
|
|-
| [[SENT (protocol)|SENT]]<ref>http://www.diva-portal.org/smash/get/diva2:1162587/FULLTEXT02 "Implementing and Analyzing SingleEdge Nibble Transmission (SENT)Protocol for Automotive Applications", Master thesis of Naseem Ullah, 2014</ref>||N
|2
|[[Single-ended signalling|Single ended]] || Single conductor, with {{nowrap|5 V}} power supply and ground || data-sort-value="39.216"|async. transmission,
min. 39.216&nbsp;kbits/s<!-- standard protocol with 32bit in 8 nibbles:
56 ticks sync, 8*27 ticks data, 3&nbsp;μs/tick -> 25.5&nbsp;μs/bit -->

|5 m
|
|
|-
|[[Short PWM Code|SPC]]<ref>{{Cite book|last1=Strasser|first1=Michael|last2=Rasbornig|first2=Friedrich|last3=Platzdasch|first3=Hagen|last4=Gastinger|first4=Ferdinand|last5=Eggiman|first5=Christoph|last6=Beaurenaut|first6=Laurent|title=SAE Technical Paper Series |date=2009-04-20|chapter=Single-Edge Nibble Transmission: Challenges and Evolutions|volume=1 |chapter-url=https://www.sae.org/publications/technical-papers/content/2009-01-0125/|language=English|location=Warrendale, PA|doi=10.4271/2009-01-0125 }}</ref>
|Y
|5
|[[Single-ended signalling|Single ended]] or
[[Open Collector|Open collector]]
|Single conductor, with {{nowrap|5 V}} power supply and ground, shielded when using higher speeds
|data-sort-value="150"|sync. and async. transmission,
variable up to ~150&nbsp;kbit/s
|~0.5 m
|5 m
|same as SENT
|-
| [[MIPI I3C sensor interface standard|I3C]] || Y || 127 || || || 12 500 kbits/s
| ||
|
|-
| [[Serial Peripheral Interface Bus|SPI]] || Y || || || ||data-sort-value="10000"|variable up to ~10000 kbit/s

(depends strongly on physical setup)
| ||
|
|-
|-
<!--DO NOT REMOVE THIS LINE - to fix numeric sorting of columns-->|<span style="display:none">ZZ</span> ||<span style="display:none">ZZ</span> ||<span style="display:none">9999999</span> ||<span style="display:none">ZZ</span> ||<span style="display:none">ZZ</span> || <span style="display:none">9999999</span>|| <span style="display:none">9999999</span>
<!--DO NOT REMOVE THIS LINE - to fix numeric sorting of columns-->|<span style="display:none">ZZ</span> ||<span style="display:none">ZZ</span> ||<span style="display:none">9999999</span> ||<span style="display:none">ZZ</span> ||<span style="display:none">ZZ</span>
| ||<span style="display:none">9999999</span>
| ||<span style="display:none">9999999</span>
|}
|}
<!-- 090114 All data sources are the ref avail + wikilinks -->
<!-- 090114 All data sources are the ref avail + wikilinks -->
Line 50: Line 128:


== See also ==
== See also ==
* [[Multidrop bus]]
* [[Characteristic impedance#Transmission line model|Characteristic impedance]]
* [[Characteristic impedance#Transmission line model|Characteristic impedance]]
* [[Category 5 cable#Electrical characteristics for Cat.5e UTP|Category 5 cable]]
* [[Category 5 cable#Electrical characteristics for Cat.5e UTP|Category 5 cable]]
* [[Telegrapher's equations]]
* [[Telegrapher's equations]]
* [[Single-ended signalling|Single ended]]
* [[Single-ended signaling]]
* [[Network segment]]
* [[Network segment]]
* [[CEBus]]
* [[CEBus]]
* [[KNX (standard)]] (EIB)
* [[KNX]] (EIB)


== References ==
== References ==

Latest revision as of 20:22, 15 May 2024

List of electrical characteristics of single collision domain segment "slow speed" network buses:

Name Multidrop Max nodes Electrical type Cable type Max bitrate [kbit/s] Length at max bitrate Max length [m] Bitrate at max length
0 0 0
EIA-485 (UART based) Y 256 EIA-485 Twisted pair 1000 kbit/s 1330 m 64 kbit/s
SCSI-1/2 Y 8 Open collector Ribbon cable 20 000 kbit/s 3 m 6 m 5 Mbit/s/ch
SCSI Ultra2 Y 16 Differential Ribbon cable with twisted pairs 40 000 kbit/s 12 m
LIN[1] Y 16 Open collector open collector with pull-up to 12V car supply 19.2 kbit/s 40 m
SIOX Y 62 19.2 kbit/s
I²C Y 127 or 1023 Open collector 5000 kbit/s 7.6 m
SMBus Y 128 Open collector 100 kbit/s
PMBus Y 128 Open collector 400 kbit/s
10BASE5 Y 100 Single ended RG-8X coaxial 10 000 kbit/s 500 m 500 m
10BASE2 Y 30 Single ended RG-58 coaxial 10 000 kbit/s 185 m 185 m
CAN Y 128 ISO 11898-2 Differential Twisted pair 1000 kbit/s 40 m 1000 m[2] 50 kbit/s
DMX512-A N 32 EIA-485 Twisted pair 120 Ω[3] 250 kbit/s 548 m 548 m (1800ft.)[4] 250 kbit/s
DCC Y 127 Single ended 5 kbit/s
RS-232 N 2 Single ended 128 kbit/s 1.5 m (approx) 15 m 19.6 kbit/s
PSI5 Y Twisted pair 189 kbit/s 12 m (approx)
1-Wire Y 248 Open collector Single conductor, with ground 16.3 kbit/s 300 m
X10 Y 256 Power line 0.05 kbit/s / 0.06 kbit/s
FlexRay Twisted pair 20 000 kbit/s
SENT[5] N 2 Single ended Single conductor, with 5 V power supply and ground async. transmission,

min. 39.216 kbits/s

5 m
SPC[6] Y 5 Single ended or

Open collector

Single conductor, with 5 V power supply and ground, shielded when using higher speeds sync. and async. transmission,

variable up to ~150 kbit/s

~0.5 m 5 m same as SENT
I3C Y 127 12 500 kbits/s
SPI Y variable up to ~10000 kbit/s

(depends strongly on physical setup)

ZZ ZZ 9999999 ZZ ZZ 9999999 9999999

The number of nodes can be limited by either number of available addresses or bus capacitance. None of the above use any analog domain modulation techniques like MLT-3 encoding, PAM-5 etc.

PSI5 designed with automation applications in mind is a bit unusual in that it uses Manchester code.

See also

[edit]

References

[edit]
  1. ^ "LIN Standards (older versions are free to download, newer to be bought on ISO web site)". www.lin-cia.org. Retrieved 2019-07-31.
  2. ^ "Microcontroller Interfaces, Part 3". 090114 ucpros.com
  3. ^ "Ujjal's DMX512 Pages....DMX512 Physical properties". 090610 dmx512-online.com
  4. ^ "DMX Wiring and Practice Quick Reference".
  5. ^ http://www.diva-portal.org/smash/get/diva2:1162587/FULLTEXT02 "Implementing and Analyzing SingleEdge Nibble Transmission (SENT)Protocol for Automotive Applications", Master thesis of Naseem Ullah, 2014
  6. ^ Strasser, Michael; Rasbornig, Friedrich; Platzdasch, Hagen; Gastinger, Ferdinand; Eggiman, Christoph; Beaurenaut, Laurent (2009-04-20). "Single-Edge Nibble Transmission: Challenges and Evolutions". SAE Technical Paper Series. Vol. 1. Warrendale, PA. doi:10.4271/2009-01-0125.{{cite book}}: CS1 maint: location missing publisher (link)
[edit]
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