Sharc link ports pdf

So cdu clock distribution unit needs to be initialized to change the clock domain for the link port. Serial ports and link ports jtag test access port sharc family core architecture the adsp2106x includes the following architectural features of the adsp2 family core. Check out chapter 9 in the 2106x sharc users manual. To transfer data from external modules to the sharc modules via twisted pair cables the sharc link ports are used at the receiving side. If you only have a few messages now and then, it is a lot easier to set up a token ring.

Considering the timing specification of the sharc chip and the proposed nibble transfer rate of 30 mhz the maximum cable length is limited to 30 m if the standard sharc link flow control has to be used. However, these are unpopulated, and you will need to attach the connectors and other components yourself. In addition to memory, there are also differences between these family members in their io sections. The dsp link ports are backward compatible with the sharc link ports for basic transfers, including lsrq functions. Mbit sram memory 4 mbit on the adsp21060, host processor interface, dma controller, serial ports and link port and parallel bus connectivity for glueless dsp multiprocessing. The adsp21160 link ports can be configured to use four data lines for compatibility with older. Each link port consists of eight data lines lxdat70, a link clock line lxclk, and a link acknowledge line lxack. If you are ambitious, there are sections of the board that allow you to access the serial port, link ports only on the ezlab with its adsp21062, and processor bus. Adsp21261 sharc computer hardware pdf manual download.

Advantageous scalability over a wider range of applications. In total there are six sharc processors and their link ports need to rx and tx to the host. These are 4 bit wide parallel connections for combining dsps in multiprocessing systems, and other applications that require flexible highspeed io. Sharc processors on the host system or on other sharcpac modules up to 6 processors total per cluster which allows direct memory access through the sharc external bus see figure 21. A we do not offer any adspts20x link port compatible devices. The sharc processor family dominates the floatingpoint dsp market with exceptional core and memory performance and outsta. In mimd mode mesh architecture cannot function if data is lager then on chip available memory. Sharc processors are typically intended to have a good number of serial links to other sharc processors nearby, to be used as a lowcost alternative to smp. To maximize data throughput and simplify applications development, the tigersharc.

Adsp2106x sharc computer hardware pdf manual download. A highperformance communication service for parallel. Sharc digital signal processor adsp21160madsp21160n. Link ports can operate at a maximum frequency of 166 mhz. Sharc processor history n adsp2106x 2000 n single computational units based on predecessor adsp2100 family n 40 mhz core n adsp2116x 2001 n simd singleissue multipledata dual computational unit architecture added n 150200 mhz core, 12 mb ram n adsp2126x, adsp26x 2003 future n integrated audiocentric peripherals 128140db. This chapter also describes the specific registers for the io interfaces, the serial ports, and the dma interface.

For data transfers between multiple sharc processors, link ports provide a parallel command interface for faster data movement than is. Moving from the adsp21160m sharc dsp to the adsp21160n sharc dsp pdf. Some members of the sharc dsp family have link ports that enable pointto point communication between dsps. I would suggest chained double buffering dma for both receive and. This results in slower operation because of the conflict with the coefficients that must also be fetched along this path. Link port booting the adsp21161 sharc dsp pdf ee195. Current dsp applications in accelerator instrumentation and rf. The aspc2 is well suited to heterogeneous applications which require the combined benefits of floatingpoint dsp and general purpose processors. Sharc processor adsp21483adsp21486adsp21487adsp21488adsp21489 summary high performance 32bit40bit floatingpoint processor. The sharcs cpu executes using on or offchip memory. It will at least give you a few more things to think about. What is maximum speed of operation supported by link port. All rights reserved information furnished by analog devices is believed to be accurate and reliable. A sharc compatible link can be enabled by setting the upper lxclkd bit in the lctlx register selecting a 12 corerate transfer frequency and by.

External port with an asynchronous memory interface. Independent, parallel computation units the arithmeticlogic unit alu, multiplier and shifter all perform singlecycle instructions. Lxclk, lxack, and lxdat70 pins of the corresponding link port. Link port devices from adi connected to the tigersharc. They have a bunch of possible topologies for link ports.

Computation units alu, multiplier and shifter with a shared data. Figure 1 shows a block diagram of the adsp21062, illustrating the following architectural features. The transfer clock equals the processor core clock divided by lxclkd, where lxclkd65 is. The analog devices logo, ezkit lite, sharc, the sharc logo and.

Overview 92 adsp21161 sharc dsp hardware reference table 91 lists the pins associated with each link port. View and download analog devices adsp2106x sharc user manual online. Below we have list all the links as per the modules. History of satrack pdf handling, data reduction, operation, and performance of the sa track system are described. The adsp2106x processors are code and functioncompatible with the adsp21020. Sharc chips have two highspeed serial ports and a hostparallel port, providing a direct interface to offchip memory, peripherals, and a host processor. Bus, can bus, sharc link ports, ethernet, myrinet, internet, network based design. Sharc has 6 link ports that can transport data at high rate. The adsp21060 and adsp21062 the highend each have six link ports. Setting link port modes 86 adsp21160 sharc dsp hardware reference. Peripheral and external port buses for core connection.

In addition, sharc link ports, serial ports, flags, and interrupts provide alternate paths for communication and signaling. Adsp2106x sharc users manual 1996 analog devices, inc. Two 8bit wide link ports can connect to the link ports of other dsps or peripherals. Sharc is the name of a family of high performance 32bit floatingpoint processors based on a super harvard architecture. However, no responsibility is assumed by analog devices for its use. I wish the link ports included a frame sync signalit would really simplify things, especially when interfacing to external nonsharc hardware. Each ldatx lclkx lclkx link port each link lackx sharc lackx port sharc.

In simd mode one single master sharc drives the bus. The sharc processor, like most prevalent dsps, integrates multiple link ports and their associated dma controllers to provide highspeed, lowoverhead communications. Link ports facilitate interprocessor communication and bus arbitration among as many as six adsp2106x chips. For data transfers between multiple sharc processors, link ports provide a parallel command interface for faster data movement than is enabled by the processors. A multiprocessing system appears in figure 3 on page 6. The sharcs architecture has quite a few similarities with the transputer family such as its onchip programmable timer functions with interrupt facilities and its support of six 4bit link ports, and a dma controller. Here you can download the embedded computing systems vtu notes pdf ecs pdf of as per vtu syllabus. Sharcpac module standard promotes sharc multiprocessing. Setting link port modes 98 adsp21161 sharc dsp hardware reference link port clock divisor. The sharc ezextender expands the capabilities of the evaluation system by providing a connection between the parallel data access port pdap of the adsp21262 processor and an analog devices analogtodigital high speed converter adc hsc evaluation board. The trusted news source for powerconscious design engineers.

Adsp21160x family core architecture the adsp21160x processor includes the following architec. Four leds mounted on the board can be turned on and off by toggling bits. Other key control and instrumentation systems using the sharc will also come on line for the next run. By default the link port derives its clock from sclk0 which can support a frequency of up to 112. The adspts201s tigersharc processor has two computation blocks that support. The adsp2106x sharc dsp represents a new standard of integration for signal computers, combining a high performance floatingpoint dsp core with integrated, onchip system features including a 4 mbit sram memory 2 mbit on the adsp21062, 1 mbit on the adsp21061, host processor interface, dma controller, serial ports, and link port and. Either two separate memories or a single dualport memory. Aspc2 sharc pmc with 812mbytes dram overview the aspc2 is a pmc format card with an analog devices adsp2106x sharc dsp, 12mbytes of dram, 6x 40mbytesec link ports and mbyte sec pci interface. The analog devices sharc is a powerful computing device. For data transfers between multiple sharc processors, link ports provide a parallel command interface for faster data movement than is enabled by the processors serial peripheral interface spi. View and download analog devices adsp21261 sharc hardware reference manual online. You might also want to look at xapp609 about local clocking resources. Sharc processor preliminary technical data adsp21469.

Super harvard architecture singlechip computer wikipedia. Sharc links offer very high speed communications over local interconnects. Generally, link ports are meant for point to point communication between tigersharc processors, and in cases where link ports are used for connecting to other devices, the use of an fpga is necessary. The link ports can operate independently and simultaneously, with a maximum data throughput of 240 mbytes per second.

Adsp21160x sharc dsps h ptortos dma controller serial ports and link ports jtag test access port figure 2 shows a typical singleprocessor system. Key features include a large onchip memory, six link ports which can be used to interconnect to other sharcs for multiprocessing, and a 25ns. Six link ports for pointtopoint connectivity and array multiprocessing 240 mbytess transfer rate over parallel bus 240 mbytess transfer rate over link ports serial ports two 40 mbits synchronous serial ports with companding hardware independent transmit and receive functions table of contents. Able to simultaneously read or write data at one location and get instructions from another place in memory.

These bits select the transfer clock divisor for link buffer x lbuf0 or lbuf1. Iam planning to write my own core now, instead of trying to fix there core. Sharc processors dominate the floatingpoint digital signal processing market, delivering exceptional core and memory performance complemented by outstanding io throughput. Architecture of sharc processor pdf the super harvard architecture singlechip computer sharc is a high performance floatingpoint and fixedpoint dsp from analog devices. Herab fast control system sharc link long distance. I2c bus, can bus, sharc link ports, ethernet, martinet, internet, networkbased design. All sharc joined by their link ports and are connected to a common bus. Sharc link ports none vme64 master dbv66 6 512k x 48, 512k x 32 sram, 64m bytes dram, 512k x 8 flash, all shared sharc link ports 2 pmc sites vme64 master dbv64 4 3 banks either 16m bytes dram or 1m byte sram, all shared sharc link ports 2 io interface mezzanines vme64 master sharc io mezzanines for pc boards for vme boards module. Aspm91 fiberoptic link port sharcpac with jtag overview the aspm91 is an adsp2106x fiberoptic link port extender allowing link ports to be used beyond its normal physical limit and up to 500 m transparently and at 32mbytessec. The adsp2106x sharc represents a new standard of integration for signal computers, combining a high performance floatingpoint dsp core with integrated, onchip system features including up to 4m bit sram memory see table 1, a host processor interface, dma controller, serial ports and link port, and parallel bus connectivity for glueless dsp. The first thing to estimate is the bandwidth between processors. Link port in griffin can run up to a maximum speed of 150mhz. Adsp21060l datasheet and product info analog devices.