Bus and BackPlane Pinouts

Bus Pinouts Listed in Alphabetic Order
This is a reduced listing of the main Interface Bus page listing only pages with connector pinouts.

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Bus Interface Table {Many of the more common Interface buses listed here presented in a table, by Bus Function and speed for Comparison}

10Base2 / 10Base5 {Ethernet running over Coax, maximum bus length is 500 meters, at a maximum speed of 10M bits/sec}

10BaseT {Ethernet running over Twisted-Pair wire, maximum bus length is 100 meters, at a maximum speed of 10M bits/sec}

10GFC {10 Gigabit Fibre Channel, now runs at speeds as 12.75GBd [GigaBaud]}

100BaseX {Ethernet running over Twisted-Pair, Coax or Fiber, maximum bus length is 100 meters, at a maximum speed of 100M bits/sec}

Access Bus {A low speed 4-wire serial bus aimed at the PC. Access.Bus uses the I2C bus as the electrical hardware interface. The maximum speed is 100kbps over a max cable distance of 10 meters.}

ADB Bus {[Apple Desktop Bus] was a serial bus used by Apple computer to drive the mouse and keyboard. The cable consisted of one data line [ADB], a power line [+5v] and a ground line with a maximum data rate of 125kbps, actual bus speed was much lower. Firewire replaced the Obsolete ADB bus.}

AdvancedTCA Bus {ATCA Description}
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AES/EBU {AES/EUB [Audio Engineering Society/European Broadcasting Union] is one of the common names for a digital audio transfer standard See XLR.

AGP Bus {The Accelerated Graphics Port expansion slot was used as a Computer Local Video port. Version 1; AGP slot, Ver 2; AGP slot, and Ver 3; AGP 3 versions of the AGP slot were released before the AGP bus was replaced by the PCIe Bus.}

AMR Bus {Audio/Modem Riser. Specification defines a hardware scalable OEM PC mother board riser board and interface, which supports both audio and modem. An MR slot will provide a Modem function, while an AMR slot will provide both an Audio and Modem function }

Apple Computer Buses {Apple [Macintosh or MAC] Computer Bus}

ATA Bus {IDE/ATA Personal Computer [Parallel; PATA] cable Bus used for Hard drives, Floppy and CD drives. Top bus speed is 133MBytes/sec over an 18 inch Parallel cable. IDE: [Integrated Drive Electronics], ATA: [Advanced Technology Attachment].

ATX Motherboard Floppy Power, ATX Motherboard Fan, ATX Motherboard Main Power

AUI Attachment Unit Interface, Ethernet, or on the Apple Computer AUI Pinout

Automotive Bus(s) {MOST Bus, J1850 Bus, D2B, CanBus, IDB1394, FlexRay, byteflight, OBDII ..}

Avionics Bus(s) {ARINC, SFODB, SpaceWire, MIL-STD-1553, MIL-STD-1760, MIL-STD-1776..}

byteflight {is used for safety-critical applications in motor vehicles [air-bags]. Byteflight is a TDMA [Time Division Multiple Access] protocol that runs at 10Mbps over [2-Wire or 3-Wire] Plastic optical fibers [POF].

CAN Bus {Controller Area Network (CAN) specification defines the Data Link Layer, ISO 11898 defines the Physical Layer. The maximum cable length is 1000 meters. CAN Bus on Round Connectors}

Cardbus [PCMCIA] {Implementation the 32 bit PCI bus in a PCMCIA form factor: connector pin out.}

Centronics Bus {Personal Computer uni-Directional Parallel Peripheral Interface, mainly used as a Printer Bus. The maximum recommended length for a printer cable is 12 feet. The Centronics parallel bus was replaced by the IEEE-1284 printer bus in 1995.}

CMR Bus {The Communication and Networking Riser Specification defines a hardware scalable Original Equipment Manufacturer (OEM) mother board riser and interface that supports the audio, modem, and local area network (LAN) interfaces of core logic chip-sets. This standard does not support an expansion slot, but an OEM built in board.}

CompactFlash Card {Mass Storage removable card which operates like an ATA drive using Flash memory devices. CompactFlash is smaller then a PCMCIA card and operates up to 66MBps using a 50 pin connector.}

Compact PCI Bus {cPCI Bus is an embedded PCI bus using the Euro-card form factor; Mechanical description and pinouts provided.}

CompactPCIxpress {PCI Express [PCIe] on a 3U x 160mm form factor in a Compact PCI [cPCI] environment. See the CompactPCI or PCI Express listing for additional information, or the PCI Express listing.}

CompactTCA {offers fabric support similar to AdvancedTCA Bus but at a reduced bandwidth in a 6U "CompactPCI compatible" form factor. Refer to AdvancedTCA, or Compact PCI bus.}

Control S Bus {Sony S-Link Bus Information; Control-S}

cPCI Bus {Compact-PCI Bus connector pin out-Information-IC/Connector Links, Pinouts}

CT Bus {[Computer Telephony] Bus is a Telcom Bus implemented on either a PCI or cPCI card as a sub bus interconnected via a cable}

DataFlash Card {Mass Storage removable Flash Memory card. One of a number of removable Flash Memory cards.}

DFP [Digital Flat Panel] {Connector pinout and signal names}

DSL {DSL has a maximum cable distance of up to 18,000 feet, but the distance and speed depends on the type of DSL. Also called xDSL}

DVI {[Digital Visual Interface] is a standard for high-speed, high-resolution digital displays.}

EGA {[Enhanced Graphics Adapter]: This EGA video standard [1984] offered improved resolutions and more colors than CGA. EGA allowed graphical output up to 16 colors (chosen from a palette of 64) at screen resolutions of 640x350, or 80x25 text with 16 colors, all at a refresh rate of 60 Hz. The monitors have a digital interface. This interface is OBSOLETE.}

EIA-232 Bus {RS232 serial bus has a maximum cable length of less then 20 meters over copper, operating up to 20kbps.}

EIA-422/EIA485 Bus {EIA422/EIA485 [RS422/RS485] has a maximum cable length of 1200 meters at 200kbps over a balanced (differential) interface. [Copper wire interface]}

EIA-423 Bus {EIA423 [RS423] Bus Standard over copper}

EIA-449 Cable Buses {EIA-449 Bus cabling interface. The maximum cable distance is 60 meters [2.1Mbps] over copper}

EIA-530 Cable Bus {Defines a cabling interface, Using EIA422 /EIA423 as it's electrical interface. The maximum cable distance is 60 meters [2.1Mbps], over copper wire.}

EIA-568 / EIA-569 Bus {Commercial Building Telecommunications Wiring Standard using 100 ohm Un-shielded Twisted Pair; with Information and connector Pin Outs}

EIA-644 Bus {Low Voltage Differential Signaling [LVDS] Wiring Standard; with a description, Information, Interface Circuit, and OEM links. ANSI/TIA/EIA-644 only defines the Electrical layer so there is no pin-out provided by this specification. LVDS with CAT5 cable runs at ~20 meters @ 100Mbps, ~50 meters @ 50Mbps, ~100 meters @ 10Mbps}

EISA {Extended Industry Standard Architecture or Enhanced ISA bus: 8MHz @ 8/16/32 bits data bus, 32 bit address bus; PC Expansion Bus, compatible with ISA. An ISA card will work in a EISA slot, but an EISA card will not work in an AT slot. The EISA cards are the same size as the AT cards. This bus is OBSOLETE and was replaced by the PCI and AGP buses}

Ethernet Bus {Ethernet Bus pinouts}

EVC [Enhanced Video Connector] {Connector pin-out and signal names}

FDDI Protocol {Fiber Distributed Data Interface Protocol Standard-IC Links}

Fiber Channel {Fibre Channel, now runs at speeds as high as 2.125 Gbps [200 Mbytes/sec] over twisted-pair copper or optical-interconnect [optical distances up to 10 km]. Fibre Channel is primarily used in high-end server SANs [storage-area networks]. Used for transferring data to workstations, mainframes, supercomputers, desktop computers, storage devices, displays and peripherals}

Field Bus(s) {Serial Industrial Field Bus Standards, Descriptions and IC Links}

FireWire Bus {IEEE 1394 Bus Standard using CAT5 cable allows 100Mbps data to travel 100m}

FlexRay Bus {is a Point-to-Point [Star topology] 10Mbps [Fault-Tolerant] Automotive bus, running over UTP or STP cable.}

Floppy Drive {Pinout for the PC Floppy Drive}, ATX Floppy Power

Futurebus {Is a back-plane bus specification. Page gives a brief description of the bus and a description of each of the pins.}

Gigabit Ethernet {operates using either Shielded Twisted Pair [STP] copper, Un-Shielded Twisted Pair [UTP], CAT-5 copper, fiber cable or backplane at over 1GHz.}

GPIB Bus {IEEE-488 Parallel Equipment Bus, Digital Interface for Programmable Instrumentation operates at 1MBytes/s over a maximum cable length of 20 meters.}

HIC (IEEE-1355) (Is a bidirectional serial interconnect which builds a scalable parallel system using a pair(s) of unidirectional lines. HIC runs on 1 to 10 Meters cable distance at 38MBps over copper, and with fiber up to 100 to 3000 Meters cable distance at 169MBps, distance depends on fiber type)

HIPPI 'High-Performance Parallel Interface' (Parallel HIPPI operates with a throughput of 200 MBps [HIPPI-1600], up to 25 meters, using copper cabling. Serial HIPPI will run at 200 MBps [HIPPI-1600 Serial] using coaxial cable for distances up to 25 meter, and fiber optic cabling for distances up to 1K meter (Multi Mode) or 10K meters (Single Mode) HIPPI-6400 will run at 1.6Gbps.)

HPIB Bus {IEEE-488 Parallel Equipment Bus, also called GPIB}

HSSI Bus {High Speed Serial Interface used for leased lines [like DS3] and Wide Area Networks [WAN]. High Speed Serial Interface Bus specification has a Maximum rate of 52Mbps [bits per second] using differential ECL [Emitter Coupled Logic] over shielded twisted pair [STP] cable (similar to SCSI II) with a maximum distance of 50 feet.}

I2C Bus {Inter-IC [I2C] Originally designed to be a battery control interface, now used in microcontroller-based [uP] professional, consumer and telecommunications control, diagnostic and power management bus. The I²C bus uses a bi-directional Serial Clock Line [SCL] and Serial Data Lines [SDA]. Three speed modes are specified: Standard; 100kbps [Bits per Second], Fast mode; 400kbps, High speed mode 3.4Mbps all with a maximum bus capacitance is 400pF. The page provides a link to download the I2C Bus specification. Also called IIC Bus}

I²S Bus (Inter-IC Sound [I2S] is a serial bus designed for digital audio devices. The I2S design handles audio data separately from clock signals. An I2S bus design consists of three serial bus lines: a line with two time-division multiplexing (TDM) data channels, a word select line, and a clock line. The I2S bus turns up on DAC's or micro-processors. Also called IIC Bus)

IDE Bus {IDE, ATA or PATA, Internal parallel Bus used as a [Personal Computer] Hard-Drive interconnect. The current maximum bus speed is 133MBps over an 18 inch Parallel cable.}

IEEE-488 {Digital Interface for Programmable Instrumentation, HPIB Parallel Equipment Bus, also called GPIB; Detailed description with connector pinouts}

IEEE-1174 { [Serial Interface for Programmable Instrumentation] is basically IEEE-488 over an RS-232 link. IEEE-1174.0 defines the electrical and mechanical implementation over RS-232. IEEE-1174.1 defines ports GPIB onto the serial interface. IEEE-1174.2 details the functionality and implementation of the required IEEE-488.2 over the serial link [EIA/TIA-574].}

IEEE-1284 {Personal Computer parallel Bus Standard and IC Links. [Copper wire interface]. Used as a Bi-Directional Parallel Peripheral Interface, mainly used as a Printer Bus for Personal Computers. The maximum recommended length for a printer cable is 25 feet. The old Centronics parallel cables run out to 12 feet.}

IEEE 1394 Bus {IEEE 1394 Bus Standard using CAT5 cable allows 100Mbps data to travel 100 meters}

iLink { Sony's name for FireWire, based on IEEE-1394, using conventional metallic conductors.}

Industrial PCI Express {[IPCI-E], PICMG 1.3 adds PCI Express to the PCI-ISA Passive Backplane Specification.}

InfiniBand bus (Using Bi-direction differential LVDS wire pairs, over fiber or copper cable.)

ISA/AT Bus {8MHz @ 8 and 16 bits data bus, 24 bit address bus, +/- 12 volts, +/- 5 volts, 15 Interrupt lines. The standard drive level is 24mA for all non-Open Collector signals on the bus. The AT card used the standard (edge) connector provided by the XT bus and added an additional (edge) connector behind that with the same pin-spacing @ 0.1 inch center-to-center. The additional connector has only 38 (19 per side) fingers, while the XT connector had 62 (32 per side) fingers. The Mother Board could then accept either an 8 or 16 bit card in an 8 bit slot (XT), or (if the connector was provided) a 16 bit card in an AT slot. The additional connector provided 4 additional address lines , and 8 additional data lines. The PCI bus has replaced much of the PCAT market}

ISA/XT Bus {Obsolete; 4.77MHz @ 8 bits, +/- 12 volts, +/- 5 volts. The XT bus used a 62 pin (.1" center) edge connector; 31 pins per card side. Used a single oscillator of 14.31818MHz which was divided by 3. 8 Data lines, 0 to 7 (LSB=0). 20 Address lines, 0 to 19 (LSB=0). 1 Clock line (4.77MHz). 1 Reset line, 8 Interrupt lines. Some 8 bit cards have skirts which extend the board below the depth of the top of the connector to allow additional circuitry. These cards, with skirts, are not compatible with the 16 bit AT bus. The XT bus uses connector J1 (A/B), AT uses J1 (A/B), J2 (C/D).}

Joystick Interface Bus {The Joystick port used with Personal Computers uses a 15pin D connector}

Joystick Interface Bus {The Joystick port used with Apple IIc 9pin D connector}

JTAG Bus {Serial four wire test bus used to 'Boundary-Scan' IC's; at the chip level}

Keyboard Interface Bus {The serial Keyboard used on Personal Computers [PCs] is a 6 pin Circular DIN.}

LocalTalk {Apple Personal Computer LocalTalk pin out.}

LIN bus {[Local Interconnect Network] is used as an in-vehicle [Automotive] communication and networking serial bus between intelligent sensors and actuators. The LIN specification covers the transmission protocol [Physical Layer and the Data Link Layer of LIN], and the transmission medium. The maximum communication speed on a LIN bus is 19200 baud.}

LVDS Bus {[Low Voltage Differential Signaling] LVDS/M-LVDS is an electrical only standard working to a distance of 10 meters [referenced by other specifications], Description, Information and circuit implementations}

MCA {Micro Channel Architecture bus: Designed to correct the problems with the ISA bus, but never caught on out side of IBM machines. The bus is Obsolete and was later replaced by the PCI bus.; 10MHz @ 16 or 32 bits, uP independent, asynchronous, IBM proprietary on PS2 computers. With bus enhancements the speed reaches 80MBps, using clock doubling.}

Mezzanine Buses {Daughter Board form factors; PC MIP, PMC, IP}

MICROWIRE Bus {MICROWIRE is a [full-duplex] serial interface standard defined by National Semiconductor. The MICROWIRE protocol is essentially a subset of the SPI[tm] interface, namely CPOL = 0 and CPHA = 0. MICROWIRE operates up to 3Mbps}

MIL-STD-1553 Bus {MIL1553B is a dual redundant differential bus defined by Military Standard 1553 [MIL-STD-1553]. Operates at 1.0 megahertz.}

Mini PCI {Is a small form factor version of a PCI card for Laptops/NoteBook computers. Mini PCI uses a subset of the PCI specification with a 32-bit bus running at 33MHz.}

MOST bus: {Media Oriented Systems Transport, a multimedia fiber-optic point-to-point network implemented in a ring, star or daisy-chain topology for Automotive applications.}

Mouse Interface Bus {The serial mouse used on Personal Computers [PCs] is a 6 pin Circular DIN.}

MPI Bus {The serial MicroProcessor Interface [MPI] bus consists of a bidirectional [three-state] data line [DIO], and a Clock line [DCLK]. The clock frequency is 4.096MHz. The MPI bus is a synchronous Master/Slave serial bus. Using 8 bit words, MSB is transmitted first}

MTM Bus {Serial five wire Test and Maintenance Bus used to 'Boundary-Scan' cards; at the board level. The MTM bus tests at the board level, while JTAG tests at the chip or IC level.}

Multibus I/II {IEEE-1296 had a 32 bit bus which ran at 80MBps, the card sizes are 3U x 220mm, and 6U x 220mm. This bus is out-dated, not recommended for new designs.}

Multimedia Card {The Multimedia Card [MMC] is another flash memory card format. The device size is 32 mm x 24 mm x 1.4 mm}

OP iLink {is Sony's name for FireWire; OP i.Link is based on IEEE1394a-2000 using single-core plastic optical fiber.}

PC Bus {ISA/XT/EISA Computer Bus connector pin out}

PCI Bus {The Peripheral Component Interface 'PCI' [Parallel] Bus was developed as a local bus expansion for the PC. The first version of the PCI bus ran at 33MHz with a 32 bit bus (133MBps), the current version runs at 66MHz with a 64 bit bus. PCI operates either synchronously or asynchronously at the "mother Board bus rate.}

PCI-X Bus {The Peripheral Component Interface [PCI-X] addendum is an enhancement to the current 64 bit 66MHz PCI bus specification. The minimum clock speed for PCI-X is 66MHz [PCI-X 66]. Additional bus speeds include: PCI-X 133, PCI-X 266 and PCI-X 533 providing up to 4.3GBps [PCI-X 1066 in the works]. PCI-X is backwards compatible with PCI}

PCI Express Bus {Serial PCI Bus uses two low-voltage differential LVDS pairs, at 2.5Gb/s in each direction. Using 8B/10B encoding, and Supporting 1x, 2x, 4x, 8x, 12x, 16x, 32x bus widths. Set to replace the Parallel PCI bus; PCI, and PCI-X. Serial PCI Bus is a point to point serial interface over copper or optical}

PCI-ISA {A passive backplane which moves all active devices off the motherboard and onto a single card. The controller card used in the system has fingers [edge connectors] for both PCI and the ISA bus, the Mother Board only connectors. This allows additional cards to be added to the mother board which use either the ISA or PCI buses.}

PC/104 Bus {PC-104 Embedded Bus: IBM PC XT and AT buses in a different form factor}

PC/104-Plus Bus {PC104-Plus Embedded Bus: IBM PC XT, AT, and PCI bus in a different form factor}

PCI-104 Bus {Removes the IBM XT, and AT buses from the PC/104, and PC/104-Plus boards, but keeps the same PC104 form factor [board size] leaving only the 33MHz PCI bus.}

PCMCIA PC Card {Implementation of the 16 bit ISA Bus on a PCMCIA card: pin out}

PCMCIA Cardbus {Implementation the 32 bit PCI bus in a PCMCIA form factor: pin out}

PCMCIA Miniature Card {Miniature Card is a smaller implementation of PCMCIA. Miniature Cards dimensions: 3.5mm x 33mm x 38mm (TxLxW). The electrical specifications are a subset of the PC Card standard, restricted to memory applications only. It uses a 16-bit data bus and a 24-bit address bus to allow a single card to store up to 64MB.}

PCMCIA ExpressCard {ExpressCard "Newcard" is the new form factor for PCMCIA Circuit Cards and will utilize either USB and PCI Express buses. The new single width card is 34mm x 75mm. The double width card is 54mm x 74mm (has a 22mm notch). The single card is called ExpressCard/34, and the double width card is called ExpressCard/54. Both cards are 5mm high.}

PISA Bus {PC Expansion Bus [PCI + ISA]: A normal ISA card with an additional row of pins above the ISA pins. The new row of pins are used for the PCI bus. This card is normally only found in OEM industrial or embedded computers}

PXI {PCI eXtensions for Instrumentation [PXI] defines cPCI for Instrumentation adding additional enhancements, with the same form factor as cPCI.}

Reduced Size Multimedia Card {Reduced Size Multimedia Card [RS-MMC] is another flash memory card format type, the smaller version of MMC. The device size is 24 mm x 16 mm x 1.4 mm}

RS-232 Bus {RS232 connector pinout. A Copper wire interface}

RS-422/RS485 Bus {EIA422/EIA485 Bus Standard Description, Information, and IC Links. Copper wire interface}

RS-423 Bus {EIA423 Bus Standard, Information, and IC Links. Copper wire interface}

RS-449 Cable Buses {EIA-530 and 449 Buses Description, Information, and Pinouts. Copper wire interface}

RS-530 Cable Bus {EIA-530 and 449 Buses Description-Information-Pin outs}

RS-644 Bus {Low Voltage Differential Signaling [LVDS] Wiring Standard; listed here as a reference, there is no pinout defined in the RS644 standard.}

SCI Bus {Serial Communications Interface is an asynchronous serial communications bus used between uP [CPUs] and peripheral devices [EPROMs for example]. Two signal lines are used with SCI: TXD [Transmit], RXD [Receive]. The two wire bus operates in full Full-duplex [transmitting and receiving at the same time].}

SCSI Bus {Small Computer Systems Interface [SCSI]; SCSI Bus [Parallel Interface] may run up to 12 meters [version dependent].}

Serial ATA Bus {SATA; Is the new four-wire Mother Board to Hard-drive serial data bus, replaced the IDE [Parallel ATA, PATA] bus standard. Serial ATA uses only 4 signal pins, improving pin efficiency over the parallel ATA interface which uses 26 signal pins going between devices [over an 80 conductor ribbon cable onto a 40 pin header connector] . The 4 lines are used for transmitting and receiving differential pairs, plus an additional three grounds pins and a separate power pin. SATA has a maximum bus length of 1 meter with Data running at 150MBps}

Serial SCSI Bus {Serial Attached SCSI [SAS] uses the SCSI protocol with a Serial ATA physical interface runing at 1.5Gbps or 3.0Gbps.}

Serial Storage Architecture Bus {The 'SSA' spec defines the physical medium, to include [TTL] differential drivers/receivers, clocking, connectors and cables. Runs in full duplex with 20MBps transfer rate in each direction [40MBps]. At that rate the maximum distance is 680 meters. OBSOLETE.. }

SmartCard Bus {ISO 7816; Defines a plastic 'chip card' used to store data via a magnetic strip}

SMbus {System Management Bus is a two wire interface which is based on the I2C bus. The 2 lines are called SMBCLK, and SMBDAT and operate at a frequency of 100KHz.}

SPDIF {[Sony/Philips Digital Interface] is used on digital audio consumer products while the AES3 interface is used with professional products}

SPI Bus {Serial Peripheral Interface [SPI-bus] is a 4-wire serial communications [full-duplex] interface used by many microprocessor peripheral chips. The Serial Peripheral Interface (SPI) circuit is a synchronous serial data link [1 megabaud] setup as a Master / Slave interface. The SPI bus specifies two control lines Chip Select [CS] and Serial ClocK [SCLK] and two data lines Serial Data In [SDI] and Serial Data Out [SDO]. There may be other naming conventions such as MOSI [Master-Out-Slave-In], MISO [Master-In-Slave-Out], or SS [Slave-Select] that are used by Motorola. Devices may not have or use all four of the I/O pins. SDI [MOSI] may not be present if a device does not require an input [ADC for example], or SDO [MISO] may not be present if a device does not require an output [LCD controllers]. One SPI device acts as the SPI Master by controlling the data flow [generating [SCLK] and asserting device select [CS], then receives and or transmits data via the two data lines.}

SSFDC Bus {Solid State Floppy Disk Card}, Removable NAND-type small flash memory card [37mm x 45mm x 0.76mm]. Refer to the SmartMedia listing.}

SSI Bus {The Synchronous Serial Interface [SSI] bus consists of four signals; SCLK, SDATA, SDEN0, and SDEN1. SDATA is a bidirectional [three-state] data line which requires a pull-up or pull-down resistor. Data is sent in 8 bit bytes, LSB first. The SCLK signal is only active during transfers. Data is clocked out on the falling edge and clock in on the rising edge [of the Master]. The other two pins SDEN0 and SDEN1 are enable pins, active high.}

SVGA [Super VGA] {SVGA offers more colors and resolutions over a 15-pin D-sub connector.}

T1/E1 Buses {Transmission of 24/32 Digitized analog voice grade channels at 1.544 / 2.048Mbps; Definition and Rates.}

Token Ring Bus Pinout

USB Interface {Universal Serial Bus provides two-way communication between the PC and peripheral devices, over a Differential 4-wire serial interface 5 meter cable.}

V.35 Bus: {This bus was discontinued, replaced by the V.10/V.11 standard in 1989}

VGA [Video Graphics Array]: {VGA is a superset of EGA, incorporating all EGA modes and was released in 1987}

Video Buses {S-Video, Component/Composite Video, RS170, SCART, and DVI pinouts}

VLB {Video Electronic Standards Association Local bus [VLB or VL-Bus]: operates at 33MHz, with 16/32 data bits, and a 30 address bits as a PC Local Bus Expansion. The VLB bus is obsolete.}

VLYNQ (TI uses the proprietary VLYNQ bus in it's modems, wireless local area networks, voice broadband processors, digital media processors, and media processor chips.)

VMChannel Pinout [VESA Media Channel] {VMChannel describes a hardware interface for desktop multimedia systems.}

VME Bus {P1 pin out {IEEE 1014-1987}, P2 pin out {IEEE 1014-1987}, P1 pin out {ANSI/VITA 1-1994}, P2 pin out {ANSI/VITA 1-1994}}

VXI Bus {P1 Pinout, P2 Pinout for Slot 0 and Slot 1-to-12, P3 Pinout for Slot 0 and Slot 1-to-12}

XGA Pinout [Extended Graphics Array]: {The XGA video interface was introduced by IBM in 1990.}

{Back to Electronic Interface Bus Pinouts}

Many Bus types are listed on this page. Some links including the Automotive Buses, Avionics Buses, Field Buses, Mezzanine Buses, Switched Fabric, SoC buses, Video Buses, and VME add-on Buses provide a number of different bus types on their pages. All the links to bus types provide additional device links to connector and IC manufacturers, many pages provide standards and specification links. A brief description is provided after each bus listing, with a more detailed description of the bus provided on it's own bus page.

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