Intel 41110 manuale d’uso

Intel® 41 1 10 Serial to Parallel PCI Bridge Design Guid e March 2006 Order Num ber: 31033 5-001[...]

ii Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide INFORMA TION IN THIS DOCUM ENT IS PROVIDE D IN CONNECTION WIT H INTEL ® PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTO PPEL OR OTHERWISE, T O ANY INTELLECTUAL PROPERTY RIG H TS IS GRANTED BY THIS DOCUMENT . EXCEPT AS PROVIDED IN INTEL'S TERMS AND CONDITI ONS OF SALE FOR SUCH PRO[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide iii Contents Contents 1 About This Document ................... ............. ................... ............. ................... ............. ................... 7 1.1 Terminology and Defin itions . ................... ............. ................... ............. ...................[...]

iv Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Contents 10.2 41110 Refe rence and Co mpensati on Pins ........ ............ .................... ............. ................... . 48 11 41110 Customer Reference Boards ............. ............. ................... ............. ................... ............. . 51 11.1 Board Stac[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide v Contents 10 Embedd ed PCI-X 133 MHz Routing Re commenda tions ........... ................... ............. ................. 36 11 Embedd ed PCI-X 100 MHz Routing Re commenda tions ........... ................... ............. ................. 37 12 PCI-X 66 MHz Embed ded Routin g Reco[...]

vi Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Contents Revision History Date Revision Description March 2006 001 Initial release.[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 7 About This Document 1 Thi s d ocu m ent provi des l a you t inf orma tion a nd gu idel ines for de sign ing p latf orm o r add- in bo ard applications with the Intel® 411 10 S erial to Parallel PCI Bridge (also called the 4 1 1 10 Bridge). It is recommended th at this do cumen t be used[...]

8 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide About This Document PCB Printed circuit board. Example manufacturing process consists of the following steps: • Consists of alt ernating layers of core and prepreg stacked • The finished PCB is heated and cured. • The via hol es are drilled • Plating covers holes and outer surface[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 9 Introduction 2 The Intel® 41 1 10 Serial to Parallel PCI Bridge integrates a PCI Express-to-PCI bridge. The bridge follows the PCI-to-PCI Bridge pr ogramming model. The PCI Express po rt is compliant to th e PCI Expr ess Specification , Revision 1.0. The PCI b us interface is fully comp[...]

10 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Introduction • Up to two downstream delayed (memory read, I/O read/write and configuration read/write) transaction. • T unable i nbound read prefetch algo rithm for PCI MRM/MRL commands • Local initialization v ia SMBu s • Secondary side initializat ion via T ype 0 configuration [...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 11 Introduction Figur e 1. Microc ont rol ler Blo ck Diagra m 2.4.2 Micro control ler Connections to the 41 1 10 Figu re 2 shows the SMB interface from th e 41 1 10 to the microcontr oller . S e r ia l to P a r a lle l PCI Br i d ge[...]

12 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Introduction Figure 2. 41 1 1 0 M icr ocontroller Connections 2.5 JT AG • Compliant with IEEE S tandar d T est Access Port and Bo undary Sca n Ar chitectur e 1 149.1a 2.6 Related Documents • . • PCI Expr ess Specification , Revi sion 1.0, from www .pci-sig.com. • PCI Express Desi[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 13 Introduction 2.7 Intel® 41 1 10 Serial to Parallel PCI Bridge Applications This section provides a block diag ram for a typical the 41 1 10 application. This appl ication shows a PCI-E adapter card with two Dual 2Gb Fibre Chann e l controllers. Each of the PCI-X bus segmen ts is connec[...]

14 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Introduction Figure 4. 41 1 10 Adapter Card Block Diagram Seri a l to Pa ra lle l PCI Bridge[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 15 Package Information 3 3.1 Package Specification The 41 1 10 Bridge is in a 5 67-ball F CBGA package, 31mm X 31mm i n size, with a 1.27mm bal l pitch (see Figure 5 and Fi gur e 6 ). Figure 5. 41 1 10 Bridge Pack age Dimen sions (T op V iew) Die Keepout Area Handling Exclusion Area 0 . 49[...]

16 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Package Information Figure 6. 41 1 10 Bridge Package Dimensions (Side V iew) Note: Primary datum -C- and s eating plane are defin ed by the spherical crowns of the solder balls. Note: Al l dime n si on s and t oler ance s con f orm t o A NSI Y14. 5M -1982 0. 20 0. 20 -C - 2. 4 45±0. 102[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 17 Power Plane Layout 4 This chapt er provid es details on the decoup ling and v oltage planes needed to b ias the 41 1 10 package. 4.1 41 1 10 Deco upling Gu idelines Ta b l e 2 lists the decoup ling guidelines for the 41 1 10. Fig ure 7 and Figure 8 provid e th e d ecoupling capacitors a[...]

18 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Power P lane Layout Figure 8 . D ecoupling Placement for PCI/P CI-X 1.5V an d 3.3V V oltage Planes B2714-01 Capacitor Legend 0603-0.1 F 0603-1 F 1206-10 F[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 19 Power Plan e La yout T abl e 2. 41 1 10 Decoupling G uidelines 4.2 S plit V oltage Planes There are two 1.5V volt age planes that supply pow er to the 41 1 10: • VCC15:1 .5V ±5% (1.5V core vol tage) • VCCPE:1.5V ±3% (1.5 V PCI Expres s voltag e) The 41 1 10 Bridge core (VC C15), P[...]

20 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Power P lane Layout Note: Linear voltage r egulators ar e recommend ed when using 1.5 V olt pow er suppli es. Figure 9 . 4 1 1 10 Brid ge Single-L ayer Split V oltage Plan e B2715-01 re Core PCI Express[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 21 41 1 10 Reset and Power Timing Considerations 5 This chapter describes the 411 1 0 reset timing considerations. 5.1 A_RST# and PERST# T iming Requirements The PCI-X Specification req uires that there i s a 100ms delay from valid power (PER ST # ) to reset deassertion (A_RST#). 41 1 10 w[...]

22 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide 41 1 10 Reset and Power Timing Cons iderations This page intentionally le ft blank.[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 23 General Routing Guidelines 6 This chapter pr ovides some basi c routing gu idelines for layou t and design of a print ed circuit board using the 41 110 . The high-sp eed clockin g requir ed when designi ng with the 41 110 requir es speci al attention to signal integrity . In fact, it is[...]

24 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide General Routing Guidelines • A void slots in the gro und plane. S lots increas es mutual inductance th us increas ing crosstalk. • Make sure th at ground pl ane surro unding connect or pin fields are n ot completely cleared out. When this area is completely cleared out, aroun d the c[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 25 General Routing Guidelines 6.4 Power Distribution and Decoup ling Have ample deco upling to g round, for the power p l anes, to minimize the ef fects of the switching currents. Thr ee types of decoupling are: th e bulk, the high- frequency ceramic, and th e inter-plan e capacitors. • [...]

26 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide General Routing Guidelines Note: Using stripline transmiss ion lines may give better results than microst rip. This is due to th e difficulty o f precisely contro lling the dielectric cons tant o f the solder mask, and the difficulty in limiting the plated thick ness o f microstrip condu[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 27 Board Layout Guidelines 7 This chapter pr ovides details on adap ter card stack up suggestions. It is highly r ecommended that signal integrity simulations be run to verify each 41 1 10 PCB layou t especially if it deviates from the recommendations list ed in these design guidelines. 7.[...]

28 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Board Layout Guide lines Note: Each interface will set the trace spacing bas ed on its signal integrity of d ifferential imp edance requirements. For the purposes of the building the transmission line models, it is assum ed the artwork is very accurate and therefore a constant. All the v[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Gu ide 29 PCI-X Layout Guidelines 8 This chapter describes several factors to be co nsidered wi th a 41 1 10 PCI/PCI-X desi gn. These include the PCI IDSEL, PCI RCOMP , PCI Interrupts and PCI arbitration. 8.1 Int errupt s PCI Express provides interrupt messages that emul ate the legacy wired mech[...]

30 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide PCI-X Layo ut Guidelines Note: PCI Express A ssert_IN Tx/Deassert _INTx messag es are not i nhibited by the BME bi t. 8.1.1 Interrupt Routing for Devices Behind a Bridge Given the legacy inter rupt shari ng scheme s hown in Ta b l e 5 , to get the best legacy interrupt performance (by re[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 31 PCI-X Layout Guidelines • Bus parking on last PCI agent or the bridge. By defaul t, the arbit er parks the b us on the br idge and drives the A/D, C/BE# and P AR lines to a known value while the bus is idle. 8.2.1 PCI Resistor Compensation Figu re 15 provides th e recomm ended resistor[...]

32 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide PCI-X Layo ut Guidelines T able 7. PCI/PCI-X Frequency/Mode Stra ps Note: All signals s ampled on the rising ed ge of PERST # . 8.3.1 PCI Pullup Resistors Not Required PCI contr ol sign al s on the 41 1 10 do NOT require pul lup resi stors on the adapte r card to ens ure that they contai[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 33 PCI-X Layout Guidelines distributed to each PCI device. The 41 110 provides seven buf fered clocks o n t he PCI bus t o conn ect to multip le PCI-X devi ces. The Figure 16 shows the use of fo ur PC I “A” clock output s and len gth matching requirements. . The recommended clock buf fe[...]

34 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide PCI-X Layo ut Guidelines T able 8. PCI-X Clock Layout Requirement s Summary Paramet e r Routing Gui delines Signal Group PCI Clocks A_CLK[6:0] Reference Plane Route over unbroken ground or power plane S tripline Trace Width 4 mils S tripline Trace S pacing: Separation between two diff er[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 35 PCI-X Layout Guidelines 8.5 PCI-X T o pology Layo ut Guidelines The PCI-X Addendum to the PCI Local Bus Specification , R evision 1.0a compliant, recommends the foll owing guide lines f or th e number of loads for yo ur PC I-X de signs. Any deviati on fro m these maximum values requires [...]

36 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide PCI-X Layo ut Guidelines 8.6.1 Embedded PCI-X 133 MHz This section l ists the routing recommendations fo r PCI-X 133 MHz wi thout a slot. Figure 1 7 shows the block di agram of thi s topol ogy and Ta b l e 1 0 describe s the rou ting recommen dations. Figure 17. Embedded PCI-X 133 MHz T [...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 37 PCI-X Layout Guidelines 8.6.2 Embedded PCI-X 100 MHz This section lists th e embed ded rou ting recommendations for PCI-X 100 MHz. Figur e 18 shows the bl ock diagr am of this t opol o gy and Ta b l e 1 1 describes the ro uting recomm endations. Figure 18. Embedded PCI-X 100 MHz T opolog[...]

38 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide PCI-X Layo ut Guidelines 8.6.3 PCI -X 66 MHz Embedded T op olo gy Figur e 19 an d Ta b l e 1 2 provide routi ng details f or a topolo gy with an emb edded PCI- X 66 MHz application. Figure 19. PCI-X 66 MHz Embedded Routing T opology T able 12. PCI-X 66 MHz Embedded Routing Recommendation[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 39 PCI-X Layout Guidelines 8.6.4 PCI 66 MHz Embedded T op ology Figu re 20 and Ta b l e 1 3 provi de routing det ails for a topology w ith an embedded P CI 66 MHz design. P Figure 20. PCI 66 MHz Embedded T opology T able 13. PCI 66 MHz Embedded T able Paramet er Routing Guideline for Lower [...]

40 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide PCI-X Layo ut Guidelines 8.6.5 PCI 33 MHz Embedded Mod e T o pology Figur e 21 an d Ta b l e 1 4 provide routi ng details f or a topolo gy with an emb edded PCI 33 MHz design. Figure 21. PCI 33 MHz Embedded Mode Routing T opology T able 14. PCI 3 3 MHz Embedded Routing Recommendations Pa[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 41 PCI Express Layout 9 This section provid es an overview of the PC I-Express stackup r ecommended based o n Intel presimulation results. For addition a l information, refer to the Intel® 41 1 10 Serial to Para llel PCI Bridge Developer’ s Manual or th e PCI Expr es s Specificatio n , R[...]

42 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide PCI Express Layo ut 9.2 PCI-Express Layout Guidelin es The layout guidel ines for PCI-Express were deve loped for an adapter card topologies. The models and assumptions used in development of t hese guidelines were as follows: • Add-In Card S tackup: 60 Ω single- ended impeda nce •[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 43 PCI Ex press Layou t Receive Tr ace Length (Card edge finger to 41 1 10 re ceiver pin 1.0” min - 6.0” max Length Matching Requirements: T otal allowable intra-pair length mis-m atch must not ex ceed 25 mi ls. Each routing segment should be matched as clos e as possible. T otal skew a[...]

44 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide PCI Express Layo ut This page intentionally le ft blank.[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 45 Circuit Implementations Circuit Implementations 10 This chapter describes 411 10 circuit implementations. 10.1 41 1 10 Analog V olt age Filters The 41 110 requires several external analog voltage filter circuits to be placed on the s ystem board, three for the PCI interface, one for the [...]

46 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Circuit Implementations 10.1.1 PCI Analog V olt age Filters The following filter circuit is recommended fo r the PCI interface. Three separate, identical versions of this circuit should be placed on the system board, one for each VCCAPCI[2:0] pin on the 41 1 1 0. Figure 22. PCI Analog V [...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 47 Circuit Implementations Figure 23. PCI Express Analog V oltage Filter Circuit Additional No tes : • Place C as close as possible to p ackage pin. • R must be placed between VC C 15 and L. • Route VCCAPE and V SSAPE as diff erential traces. • VCCAPE and VSSAPE traces must be groun[...]

48 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Circuit Implementations Figure 24. B andgap Analog V olt age Filter Circuit Ad dition al Note s : • Place C as close as pos sible to package p in. • R must be placed between the 2.5 V supply and L. • Route VCCBGPE and VSSBGPE as differ ential traces. • VCCBGPE and VSSBGPE traces [...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 49 Circuit Implementations Figure 25. Reference and Compensation Circuit Implement ations 10.2.1 SM Bus The SMBus interface does not have co nfiguration register s. The SMBus address is set by the states of pins SMBUS[ 5] and SMBU S [3 : 1] when PERST# is asserted as described in Ta b l e 1[...]

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Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 51 41 1 10 Customer Reference Boards 11 This chapt er describes the 41 1 10 Customer Reference Board (CRB). 1 1.1 Bo ard St a ck-up The proposed layout of the PCB is eight layers with the followin g stack up: • Sign a l #1 (T op / C omp o nent Si d e) • Ground Pl ane : GND • Sign a l [...]

52 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide 41 1 1 0 Customer Reference Boards 11 . 2 M a t e r i a l The following materials are us ed with the 41 110 CRB: • FR-4, 0.0 62 in. +/- .007, 1.0 oz Copper Power/G ND. • Full len gth PCI Raw C ard (3.3V Universal) 6.2” high x 7.00” l ong max with ½ inch cut away . 1 1.3 Impe dan[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 53 41 1 1 0 Custome r Reference Bo ards 1 1.4 Bo ard Outline Figu re 26 provides the mechanical outline of the 41 11 0 CRB. Figur e 26. Mechanic al Outline of the 41 1 10 U1 Serial to Parallel PCI Bridge[...]

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Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 55 Design Guide Checklist 12 This checkl ist highlight s design consideratio ns that s hould be review ed prior t o manufacturing an adapter card that implemen ts the 41 110 product. Th e items contained w ithin this checklist att empt to address important connections to these devices and a[...]

56 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Design Guide Checklist T able 20. PCI/PCI-X Interface Signals (Sheet 1 of 2) Signals Recomm endations Reason/Impact A_AD[63:32] A_CBE[7:4] # A_DEVSEL# A_FRAM E# A_IRDY# A_TRDY# A_STOP# A_PERR# A_SERR# A_REQ[5:0]# A_GNT[5:0]# A_LOCK# A_P AR A_P AR64 A_ACK64# A_REQ64# No external pullup re[...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 57 Design Guide Checklist A_M66E N Controls frequency of the PCI segment when running in conventional PCI mode (33 MHz or 66 MHz): 0 = 33 MHz PCI 1 = 66 MHz PCI • Pull-up using a 8.2K Ω resistor when the P CI bus is to operate at 66 MH z and not already pulled up by system board. This s[...]

58 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Design Guide Checklist CFGRETRY Input pin to configure 41 1 10 to retry configuration accesses on it's PCI Express interf ace. • T o retry configu ration accesses to the 4 111 0 , pul l high to 3.3V t hrough a 2K Ω r esistor . • T o al low con figurat ion acc esses t o the 41 [...]

Intel® 411 10 Serial to Pa rallel PCI Bridge Design Guide 59 Design Guide Checklist T abl e 23. Reset Pins Ballout Pin Name Usag e E6 STR AP_V_ 1 Pull u p to V CC33 B5 STR AP_V_ 2 Pull u p to V CC33 B3 STR AP_V_ 3 Pull u p to V CC33 A3 STR AP_V_ 4 Pull u p to V CC33 B4 STR AP_V_ 5 Pull u p to V CC33 D4 STRAP_V_6 Pull up to VCC33 F5 STRAP_V_7 Pull [...]

60 Intel® 41 110 Serial to Parallel PCI Bri dge Design Guide Design Guide Checklist T able 24. Power and Ground Signals Signal Re commendat ions Reason/Im pac t RCOMP 100 Ω ±1% (1/4 W) pul ldown resistor to ground. The trace impedance of this signal should be < 0.1 Ω. Analog compensation pin for PCI. 0.75V nominal. VCC15 Connect to 1.5V po[...]

T abl e 25. JT AG Signals Signal Recommendati ons R eason/Imp act TCK If not used for JT A G , leave as No Connect Internal pull-up TDI If not used for JT AG , leave as No Connect Internal pull-up TDO If not used for JT AG , leave as No Connect Internal pull-up TMS If not used for JT AG , leave as No Connect Internal pull-up TRST# Connect to ground[...]

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