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	What is serial peripheral interface? - a definition from Whatis.com - see also: SPI
		In a computer, a serial peripheral interface (SPI) is an interface that enables the serial (one bit at a time) exchange of data between two devices, one called a master and the other called a slave.
		Serial interfaces have certain advantages over parallel interfaces.
		In addition, serial interface cables can be longer than parallel interface cables, because there is much less interaction (crosstalk) among the conductors in the cable.
	whatis.techtarget.com /definition/0,,sid9_gci959922,00.html (269 words)

	* Peripheral - (Computing): Definition (Site not responding. Last check: 2007-10-22)
		In a computer, a serial peripheral interface (SPI) is an interface that enables the serial (one bit at a time) exchange of data between two devices, one called a master and the other called a slave...
		A peripheral (truncation of "peripheral device") is any computer device that is not part of the essential computer (the processor, memory, and data paths) but is situated relatively close by...
		The term "peripheral" (a truncation of "peripheral device") is sometimes used as a synonym for device or for any input/output unit.
	www.bestknows.com /computing/peripheral.html (1468 words)

	ePanorama.net - Links
		In addition to this those interfaces generally need a common ground, which is the ground plane in circuit board applications and a seprate wire in inter-circuit-board connections.
		Interfacing I2C Devices with a PIC16C84 (Interfacing with a Philips PCF8574 8-Bit I/O Expander) - The discussion focuses on the implementation of low level I2C routines which are common to interfacing with most I2C devices.
		Interfacing SPI Peripherals to the MAX7651 Processor - This document has a good description of operation of SPI interface and how to interface to it.
	www.epanorama.net /links/serialbus.html (2810 words)

	mct.net: SPI - Serial Peripheral Interface
		With this article, the possibilities of serial communication with peripheral devices via SPI (Serial Peripheral Interface) will be discussed.
		The Serial Peripheral Interface is used primarily for a synchronous serial communication of host processor and peripherals.
		Serial EEPROMS SPI are available for different supply voltages (2.7V to 5V) allowing their use in low-voltage applications.
	www.mct.net /faq/spi.html (1593 words)

	Serial Interface
		The new Spansion® S25FL Flash memory family is designed to reduce costs and dramatically simplify system design of consumer electronics and PC peripherals such as hard disk drives, optical drives, printers, cordless phones, DSL/cable modems, and DVD players and recorders.
		Serial Flash memory communicates with processors in a different way than traditional parallel Flash memory.
		Traditional Flash memory inputs or outputs 8, 16, or 32 bits of data simultaneously, but serial Flash memory inputs and outputs only one data bit (a 1 or a 0) at a time.
	www.spansion.com /flash_memory_products/serial_interface.html (222 words)

	Serial Interface Techniques
		Serial communications in one form or another have been around long before computers were invented.
		The serial interface was created due to a need to send information over a distance with one or two wires.
		The original synchronous interface that I used was the UTS interface an UNISYS.
	www.sampson-jeff.com /article/interface/int.htm (1019 words)

	Embedded.com - Introduction to Serial Peripheral Interface
		The E220 series DC-AC inverter from Endicott Research Group combines up to 12 watts of output power with the company's unique vacuum-encapsulated design to ensure CCF lamp ignition for LCDs used in low-temperature environments.
		SPI interfaces are available on popular communication processors such as the MPC8260 and microcontrollers such as the M68HC11.
		It is a synchronous serial data link that operates in full duplex (signals carrying data go in both directions simultaneously).
	www.embedded.com /story/OEG20020124S0116 (1123 words)

	[No title]
		A third functional block of the 68332, the queued serial module (QSM), processes serial transactions on two channels: The first is the serial communications interface (SCI), which is an on-chip UART; the second is the queued serial peripheral interface (QSPI), a 4-wire synchronous serial bidirectional transfer mechanism.
		While a synchronous serial exchange between a CPU and a peripheral is slower than parallel bus communication, the smaller pin package of the synchronous serial periphal demands fewer printed wires and less board space.
		Another advantage of the synchronous serial peripheral is that the circuit designer, once having become familiar with such a peripheral device, is able to employ it in various designs without regard to the host microcontroller.
	www.fh-augsburg.de /~hhoegl/rt/68K/68332pro.txt (2781 words)

	Measured Loading Speed of Maxim's Serial Interface Software - Maxim/Dallas
		The parallel printer port of the PC is monitored with a logic analyzer to capture the serial bus transmissions.
		The three pins of the parallel printer port that need to be monitored when using the interface software with the MAX2361 are pins 2, 3 and 4.
		After studying many SPI bus transactions under control of the interface software, it becomes clear that some judgement is needed to state a simple numerical result.
	www.maxim-ic.com /appnotes.cfm?an_pk=813 (895 words)

	Creating a serial peripheral interface for communications between microprocessors and peripherals (Site not responding. Last check: 2007-10-22)
		The CoolRunner implementation of a serial peripheral interface (SPI) master described here can be used to add an SPI controller to microprocessors or microcontrollers that do not provide this interface.
		The address decode/bus Interface logic interprets the bus cycles of the microcontroller and performs the read/write operations to the register file.
		The register file is the interface between the µC and the SPI master logic, and allows the µC to configure and control the operation of the SPI master.
	dataweek.co.za /article.asp?pklarticleid=1547&pklissueid=485 (688 words)

	SPI Integrated Circuit Bus , IC Buses, an IC, Chip-to-Chip Bus
		SPI Bus Description The Serial Peripheral Interface or SPI-bus is a 4-wire serial communications interface used by many microprocessor peripheral chips operating at full-duplex.
		The Serial Peripheral Interface (SPI) circuit is a synchronous serial data link [1 megabaud] setup as a Master / Slave interface, operating as a full-duplexed protocol.
		The SCI bus which is used for Asynchronous Serial Communication may be seen next to the SPI bus on a microprocessor.
	www.interfacebus.com /SPI_Bus.html (337 words)

	TMS320C2000 Platform at Texas Instruments
		All TMS320C24x devices include the four-pin serial peripheral interface (SPI) module, except the 'LF2402, 'LC2402 and 'C242.
		The SPI is a high speed synchronous serial I/O port that allows a variable length serial bit stream to be shifted into and out of the device at a programmable bit-transfer rate.
		The SPI normally is used for communications between the DSP controller and external peripherals or another processor.
	www.ti.com /sc/docs/products/dsp/c2000/spi.htm (109 words)

	DSPI Serial Peripheral Interface – Master/Slave
		A writecollision detector indicates when an attempt is made to write data to the serial shift register while a transfer is in progress.
		As long as the first character is read out of the read data buffer before the next serial character is ready to be transferred, no overrun condition will occur.
		In some cases, the phase and polarity are changed between transfers to allow a master device to communicate with peripheral slaves having different requirements.
	www.hitechglobal.com /ipcores/DSPI.htm (892 words)

	DF 6811 8-bit Microcontroller IP Core , ASIC FPGA
		There are two serial interfaces: an asynchronous serial communications interface (SCI) and a separate synchronous serial peripheral interface (SPI).
		The DF6811 peripheral systems generate maskable interrupts, which are recognized only if the global interrupt mask bit (I) in the CCR is cleared.
		A write-collision detector indicates when an attempt is made to write data to the serial shift register while a transfer is in progress.
	www.hitechglobal.com /ipcores/DF6811.htm (1887 words)

	Serial Peripheral Interface
		The serial peripheral interface (SPI) allows high-speed synchronous data transfer between the microcontroller and peripheral devices or between several microcontroller devices.
		One of the most important functions of this interface is connect to the In System Programmer (ISP).
		In this project, we only use this interface to download the program to microcontroller.
	home.netvigator.com /~fai1221/PolyFYP/spi.htm (164 words)

	SPI Interface details
		SPI Interface or Serial Peripheral Interface bus is as you might
		interfaces so you don't have to route parallel buses around a pcb.
		With the SPI interface you can communicate with a device transmitting and receiving 8 bits of data at the same time and it is suited to high speed streaming data transfers.
	www.best-microcontroller-projects.com /spi-interface.html (748 words)

	Ease The Debugging Of Serial Peripheral Interfaces
		This is partly due to specialized peripherals often connected to a controller using a serial interface.
		The most common configuration among peripherals is a low-polarity clock, in which the peripheral clocks data in on the positive clock edge and out on the negative clock edge.
		Debugging the command-layer interface: While the SPI physical layer is somewhat standardized, the data layer varies dramatically from device to device, depending on the peripheral's functionality and complexity.
	www.elecdesign.com /Articles/Index.cfm?ArticleID=3670 (1227 words)

	Microchip datasheet pdf catalog
		The 25C160 is a 16K bit Serial Electrically Erasable PROM with memory accessed via a simple Serial Peripheral Interface (SPI™)...
		The 25C640 is a 64K-bit Serial Electrically Erasable PROM with memory accessed via a simple Serial Peripheral Interface (SPI™) compatible serial bus.
		The 25LC160 is a 16K bit Serial Electrically Erasable PROM with memory accessed via a simple Serial Peripheral Interface (SPI™) compatible serial bus.
	www.datasheetcatalog.com /microchip/16 (396 words)

	What is serial port? - A Word Definition From the Webopedia Computer Dictionary (Site not responding. Last check: 2007-10-22)
		A port, or interface, that can be used for serial communication, in which only 1 bit is transmitted at a time.
		A serial port is a general-purpose interface that can be used for almost any type of device, including modems, mice, and printers (although most printers are connected to a parallel port).
		This article, from August 1996, describes serial ports, introduces the most general and least expensive ISDN equipment, and provides an outline of the steps to exploit this new service.
	www.webopedia.com /TERM/s/serial_port.html (277 words)

	Nautilus Chip Project - The SPI
		The Nautilus chip is a single chip solution for receiving a standard 4-20 mA analog communications protocol, converting the received analog to 16-bit digital words, and transmitting the digital words on a standard SPI (Serial Peripheral Interface) interface.
		The SPI is essentially a three-wire serial bus for eight or sixteen bit data transfer applications.
		The SPI Side is essentialy a three wire bus with the SPI clock, serial input and serial output lines corresponding to the MOSI and MISO lines of the generic SPI specification.
	www.ece.osu.edu /ie/main/CurrentResearch/SPI_Nautilus_chip (1201 words)

	CAST SPI_MS Serial Peripheral Interface Master/Slave Core
		The Serial Peripheral Interface (SPI) allows high-speed synchronous serial data transfers between microprocessors, microcontrollers and peripheral devices.
		When operating in master mode, the core generates the serial data clock (SCK) and selects the slave device, which will be addressed.
		When operating in slave mode, another master device generates the serial data clock and activates the slave select input of the core, in order to communicate.
	www.cast-inc.com /cores/spi_ms (318 words)

	Cyclone Interface & Protocol Support (Site not responding. Last check: 2007-10-22)
		These interfaces and protocols are commonly used in many consumer, industrial, and communications applications.
		PCI is a standard bus interface used as an interconnect between integrated components, peripheral add-in boards, and processor and memory systems.
		Cyclone devices support a variety of serial bus interfaces such as serial peripheral interface (SPI), inter-integrated circuit (I2C), IEEE 1394 standard, and universal serial bus (USB), as shown in Table 1.
	www.altera.com /products/devices/cyclone/features/cyc-protospt.html (606 words)

	serial from FOLDOC
		The serial port is usually connected to an integrated circuit called a UART which handles the conversion between serial and parallel data.
		In the days before bit-mapped displays, and today on multi-user systems, the serial port was used to connect one or more terminals (teletypewriters or VDUs), printers, modems and other serial peripherals.
		Two computers connected together via their serial ports, possibly via modems, can communicate using a protocol such as UUCP or CU or SLIP.
	ftp.sunet.se /foldoc/foldoc.cgi?serial (1159 words)

	CAST ECP_SLAVE Extended Capabilities Parallel Port Slave Core
		When the host sends data to the peripheral, a transaction in the forward direction is taking place, and when the peripheral is sending data to the host, a reverse data transfer is taking place.
		The interface of the core with the peripheral simplifies this operation, by giving the peripheral the impression that reverse transfers are initiated by the host.
		The ECP_Slave core handles the task to initiate reverse transfers by requesting a byte from the peripheral every time data is available, so compliance with the IEEE1284 standard is preserved and a convenient interface to the parallel port is provided to the peripheral.
	www.cast-inc.com /cores/ecp_slave (842 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		SYNCHRONOUS SERIAL PORT INTERFACE (SPI) SETUP Synchronous serial communication between processors is possible using the Synchronous Serial Peripheral Interface (SPI) port on the 68HC12 EVB.
		Synchronous serial devices are not as well standardized as asynchronous RS-232 and are therefore less common.
		COMn: is created by using a USB to Serial converter and software that allows the USB port and hardware to emulate a second serial port on the PC.
	www.rpi.edu /dept/ecse/mpsd/MPSD_Serial_Lab_Ex4.doc (3116 words)

	The SF1000 Serial Flash card for expandable Flash memory
		These Serial Flash cards are ideal for applications that require temporary storage of large amounts of data collected from a system's controlling device.
		Any product can utilize the SF1000 with either a synchronous serial peripheral interface (SPI) or an emulated SPI via parallel I/O ports (Rabbit-based systems require Dynamic C® 7.05 or later software).
		Only six connections are required to interface the SF1000 with any SBC (2 are power).
	www.rabbitsemiconductor.com /products/sf1000 (233 words)

	Serial Peripheral Interface
		If a microcontroller needs to talk to multiple SPI peripherals, there are 2 ways to set things up: "cascaded slaves" or "independent slaves".
		The CS pin from each peripheral must be connected to a seperate pin on the microcontroller.
		With a lot of SPI peripherals, a lot of pins on the microcontroller can be tied up in CS selection in a "independent slave" setup.
	massmind.org /techref/io/serial/spis.htm (565 words)

	Serial EEPROM
		The 25AA080 is a 8K-bit Serial Electrically Erasable PROM with memory accessed via a simple Serial Peripheral Interface (SPI™)...
		The 25C080 is a 8K bit Serial Electrically Erasable PROM with memory accessed via a simple Serial Peripheral Interface (SPI™)...
		The 25C640 is a 64K-bit Serial Electrically Erasable PROM with memory accessed via a simple Serial Peripheral Interface (SPI™)...
	www.chipcatalog.com /Cat/510.htm (391 words)

	ST \| Serial interface (Site not responding. Last check: 2007-10-22)
		The Serial Peripheral Interface (SPI) protocol defines a 3-wire bus (Serial Clock, Serial Data In and Serial Data Out) and the ST950xx family supports clock rates up to 2MHz.
		The most common solution to support such increase of resolutions is to implement high speed display serial interfaces (DSI) between the base module and camera or display modules....
		The low-voltage high-speed serial interface decoder is capable of streaming full-resolution image data up to 416 - Mbit / s.
	www.st.com /site-index/Serial-interface.htm (1460 words)

	Atmel Corporation
		Atmel’s AT91SAM7S321 is a member of a series of low pincount Flash microcontrollers based on the 32-bit ARM RISC processor.
		Atmel’s AT91SAM7S32 is a member of a series of low pincount Flash microcontrollers based on the 32-bit ARM RISC processor.
		Atmel’s AT91SAM7S64 is a member of a series of low pincount Flash microcontrollers based on the 32-bit ARM RISC processor.
	www.atmel.com /dyn/products/devices.asp?family_id=605 (1129 words)

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