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PEX 8112 Fwd Riser Hardware Reference Manual for Board Revision 1.0

–

Version 1.1

Copyright © 2010 by PLX Technology, Inc. All rights reserved

9

5. References

The following is a list of documentation to provide further details.

PLX Technology, Inc.
870 Maude Ave., Sunnyvale, CA 94085 USA
Tel: 408 774-9060 or 800 759-3735, Fax: 408 774-2169,

http://www.plxtech.com

PEX 8112BB Data Book, Version 0.83 or higher

PEX 8112RDK-R Hardware Reference Manual

PCI Special Interest Group (PCI-SIG)
5440 SW Westgate Drive #217, Portland, OR 97221 USA
Tel: 503 291-2569, Fax: 503 297-1090,

http://www.pcisig.com

PCI Express Card Electromechanical (CEM) Specification, Revision 1.0a

PCI Express-to-PCI Bridge Specification 1.0

PCI Local Bus Specification, Revision 3.0

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Содержание PEX 8112 Fwd Riser

Страница 1: ...Reference Design For Board Revision 1 0 Version 1 1 September 9 2010 Website www plxtech com Technical Support www plxtech com support Copyright 2010 by PLX Technology Inc All Rights Reserved Version 1 1 September 9 2010 ...

Страница 2: ...ions to this publication known as errata PLX assumes no liability whatsoever including infringement of any patent or copyright for sale and use of PLX products PLX Technology and the PLX logo are registered trademarks of PLX Technology Inc Other brands and names are the property of their respective owners Order Number PEX8112 FwdRiser ReferenceDesign 1 1 September 9 2010 ...

Страница 3: ...rs 5 3 6 PEX 8112 Fwd Riser Power 5 3 6 1 PEX 8112 Bridge Device Power 5 3 7 Power Management Signaling 6 3 7 1 Wakeup 6 4 MECHANICAL ARCHITECTURE 7 4 1 Monitoring Point Indicator Control and DIP Switch Summary 7 4 1 1 Monitoring Points 7 4 1 2 General Purpose I O PWR_OK Signals Access Points 7 4 1 3 PCI Bus Configurations 7 4 1 4 PCB Stackup 8 5 References 9 6 Bill of Materials and Schematics 10 ...

Страница 4: ...t has been made to ensure the accuracy of this manual PLX shall not be liable for any errors incidental or consequential damages in connection with the furnishing performance or use of this manual or examples herein PLX assumes no responsibility for damage or loss resulting from the use of this manual for loss or claims by third parties which may arise through the use of the PEX 8112 Fwd Riser or ...

Страница 5: ...be utilized in a PCI Express host system The PEX 8112 Fwd Riser allows the PEX 8112 bridge device upstream PCI Express port to be connected to a host system slot by way of a standard PCI Express edge connector the PEX 8112 Fwd Riser is designed to plug into a PCI Express motherboard slot The PEX 8112 Fwd Riser also allows one PCI adapter to be plugged into the downstream bus by way of a standard P...

Страница 6: ... x1 link dual simplex 2 5 Gbps SerDes Single PCI Express port capable of x1 link width Single PCI Bus segment supporting PCI protocol at 32 bit 66 MHz Low power consumption meeting designers demands for reduced power draws 3 3V I O and 5V tolerant PCI Serial EEPROM configuration option with Serial Peripheral Interface SPI 8 KB general purpose shared RAM 1 2 PEX 8112 Fwd Riser Features PLX PCI Expr...

Страница 7: ...sed on the PCI Local Bus Specification Revision 3 0 The PCI interface supports up to 32 bit transfers at up to 66 MHz The PEX 8112 Fwd Riser has one PCI slot female connector straddle mount The PCI Express interface supports one lane operating at 2 5 Gbps PEX 8112 Fwd Riser power is generated from 3 3 VDC provided through the PCI Express edge connector Limited PCI 5 VDC power is generated from 12 ...

Страница 8: ...om a serial EEPROM on power up However a serial EEPROM is not needed to bring up the PEX 8112 This interface is connected to an 8 pin DIP socket U2 which houses the serial EEPROM A pull up resistor R11 on the EERDDATA ball produces a value of FFh if there is no serial EEPROM installed The PEX 8112 supports up to 16 MB serial EEPROMs utilizing 1 2 or 3 byte addressing The PEX 8112 automatically det...

Страница 9: ...ed impedance microstrip differential pair Trace length mismatch is not greater than 0 005 3 4 2 PERST PERST is the fundamental Reset signal to the PEX 8112 from the PCI Express edge connector 3 5 LED Indicators The PEX 8112 Fwd Riser provides several LED indicators including power on indication and programmable PEX 8112 GPIO lane status indication Table 1 provides a quick explanation of each LED i...

Страница 10: ...message it stops sending PME messages upstream The PEX 8112 then sends a PME_TO_Ack message to the upstream device and places its link into the L2 L3 Ready state The downstream device is now ready to be powered down If the upstream device changes the PEX 8112 power state back to D0 PME messages are re enabled The PCI Express PME_Turn_Off message terminates at the PEX 8112 and is not communicated t...

Страница 11: ...he serial EEPROM socket U2 J2 Pin assignments are as follows J2 Pin Function 1 GPIO1 2 GPIO2 3 GPIO3 4 1 3 PCI Bus Configurations The PEX 8112 FWD Riser supports two different assembly configurations one for 3 volt keyed adapters and one for 5 volt keyed adapters These assembly configurations are described below 3 3 Volt PCI Bus Configuration Install straddle mount PCI slot connector J3 with keyed...

Страница 12: ...l thick PCB The target signal impedance for all routing layers is 60 Ohms 15 single ended impedance and 100 Ohms 5 differential Refer to Figure 5 L1 SIGNAL 1 SOLDERMASK PREPREG L2 GROUND LAMINATE L3 POWER PLANE PREPREG L4 POWER PLANE SIGNAL L5 GROUND LAMINATE PREPREG L6 SIGNAL 5 SOLDERMASK Controller Impedance microstrip Controller Impedance microstrip Figure 4 PEX 8112 Fwd Riser Stackup ...

Страница 13: ...ale CA 94085 USA Tel 408 774 9060 or 800 759 3735 Fax 408 774 2169 http www plxtech com PEX 8112BB Data Book Version 0 83 or higher PEX 8112RDK R Hardware Reference Manual PCI Special Interest Group PCI SIG 5440 SW Westgate Drive 217 Portland OR 97221 USA Tel 503 291 2569 Fax 503 297 1090 http www pcisig com PCI Express Card Electromechanical CEM Specification Revision 1 0a PCI Express to PCI Brid...

Страница 14: ... C59 C60 C61 C62 C63 C66 C67 C68 C69 C71 C72 4 1 AVX TAJD476K016R Cap Tantalum 47 uF 16V Case D 47 uF C5 5 11 AVX TAJB106K016R Cap Tantalum 10 uF 16V Case B 10 uF C9 C10 C20 C21 C36 C38 C39 C48 C49 C64 C65 6 2 AVX TAJB226K016R Cap Tantalum 22 uF 16V Case B 22 uF 16V C33 C70 7 1 Chicago CMD17 21VGC TR8 LED Green SMT 0805 SMLED0805 D1 8 1 Diodes Inc B130L Diode B130L SMT SMA B130L D2 9 1 n a n a n a...

Страница 15: ...0 1W 0402 100 R13 R14 24 5 AVX Kyocera LR32R100FT Resistor 0 01 Ohms 1 1206 0 01 1206 R15 R16 R17 R18 R19 25 1 Panasonic ERJ8GYJ470V Resistor 47 Ohms 5 1 4 W 1206 47 1206 R20 26 1 n a n a Test point plated thru hole n a TP1 27 1 PLX Technolog yInc PEX 8112 AA66BI F PCI Express to PCI Bridge PEX8112 144P U1 28a 1 Atmel AT25640A 10PU 2 7 Serial EEPROM SPI 25640 socketed AT25640 U2 28b 1 Mill Max 110...

Страница 16: ...al RN6 Updated component sizes in properties table L1 L2 change size to 0805 D12N1 change value to B130L change size to SMA 10 01 2007 Release 1 0 for fabrication J1 A2 A3 B1 B2 Pin name changed to 12VP no conn RN6 2 Connect to TRDY RN6 3 connect to IRDY L1 change value to FB0805 L2 change value to 47 uF change footprint to Toko p n S1023AS 470M Revision History Block Diagram 09 08 2010 C1 C2 chan...

Страница 17: ...4085 B 2 5 Wednesday September 08 2010 www plxtech com Title Size Document Number Rev Date Sheet of 1 0 PEX 8112 Part 1 PLX TECHNOLOGY INC 870 Maude Ave Sunnyvale CA 94085 B 2 5 Wednesday September 08 2010 www plxtech com R5 33 R5 33 R2 4 7K R2 4 7K C1 0 1 uF C1 0 1 uF R3 0 R3 0 R6 33 R6 33 C2 0 1 uF C2 0 1 uF J1 PCI Express x1 Edge J1 PCI Express x1 Edge 12VP B1 12VP B2 RSVD B3 GND B4 SMCLK B5 SM...

Страница 18: ... 1 uF C27 0 1 uF C8 0 1 uF C8 0 1 uF 1 2 C5 47 uF C5 47 uF 1 2 C11 0 01 uF C11 0 01 uF C16 0 1 uF C16 0 1 uF U2 AT25640 U2 AT25640 SCK 6 CS 1 SI 5 WP 3 SO 2 HOLD 7 GND 4 VCC 8 C12 0 1 uF C12 0 1 uF R25 2 7K R25 2 7K R10 10K R10 10K C22 0 01 uF C22 0 01 uF R7 0 18 0805 R7 0 18 0805 C28 0 01 uF C28 0 01 uF R9 274 R9 274 C17 0 01 uF C17 0 01 uF C24 0 01 uF C24 0 01 uF R24 2 7K R24 2 7K C3 1 uF C3 1 u...

Страница 19: ...Y INC 870 Maude Ave Sunnyvale CA 94085 B 4 5 Wednesday September 08 2010 www plxtech com PEX 8112 FWD RISER RN7 5 1K RN7 5 1K 1 2 3 4 5 6 7 8 RN3 2 7K RN3 2 7K 1 2 3 4 5 6 7 8 R14 100 R14 100 RN4 2 7K RN4 2 7K 1 2 3 4 5 6 7 8 R13 100 R13 100 R26 2 7K R26 2 7K J3 RT HD2 GT120ECN J3 RT HD2 GT120ECN TRST A1 12V B1 12V A2 TCK B2 TMS A3 GND B3 TDI A4 TDO B4 5V A5 5V B5 INTA A6 5V B6 INTC A7 INTB B7 5V ...

Страница 20: ...20 47 1206 R20 47 1206 C40 0 1 uF C40 0 1 uF C56 0 1 uF C56 0 1 uF C58 0 1 uF C58 0 1 uF C64 10 uF C64 10 uF C41 0 1 uF C41 0 1 uF L2 47 uH L2 47 uH 1 2 C57 0 1 uF C57 0 1 uF C59 0 1 uF C59 0 1 uF R15 0 01 1206 R15 0 01 1206 C38 10 uF C38 10 uF R19 0 01 1206 R19 0 01 1206 C42 0 1 uF C42 0 1 uF C60 0 1 uF C60 0 1 uF C39 10 uF C39 10 uF C43 0 1 uF C43 0 1 uF C70 22 uF 16V C70 22 uF 16V 1 2 C61 0 1 u...

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