80303 Datasheet PDF - Intel


www.Datasheet-PDF.com

80303
Intel

Part Number 80303
Description I/O Processor
Page 30 Pages

80303 datasheet pdf
View PDF for PC
80303 pdf
View PDF for Mobile


No Preview Available !

Intel® 80303 I/O Processor
Design Guide
April 2002
Order Number: 273308-006



No Preview Available !

Information in this document is provided in connection with Intel® products. No license, express or implied, by estoppel or otherwise, to any intellectual
property rights is granted by this document. Except as provided in Intels Terms and Conditions of Sale for such products, Intel assumes no liability
whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to
fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not
intended for use in medical, life saving, or life sustaining applications.
Intel may make changes to specifications and product descriptions at any time, without notice.
Designers must not rely on the absence or characteristics of any features or instructions marked reservedor undefined.Intel reserves these for
future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
The Intel® 80303 I/O Processor may contain design defects or errors known as errata which may cause the product to deviate from published
specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
Copies of documents which have an ordering number and are referenced in this document, or other Intel literature may be obtained by calling 1-800-
548-4725 or by visiting Intels website at http://www.intel.com.
Copyright© Intel Corporation, 2002
*Other brands and names are the property of their respective owners.
2 Intel® 80303 I/O Processor Design Guide



No Preview Available !

Contents
1.0 Introduction......................................................................................................................... 7
2.0 Intel® 80303 I/O Processor Ball Map ................................................................................. 8
2.1 Intel® 80303 I/O Processor H-PBGA Signal Ball Map........................................... 8
3.0 Routing Guidelines ............................................................................................................. 9
3.1 Trace Length Limits............................................................................................... 9
4.0 Intel® 80303 I/O Processor Memory Subsystem..............................................................10
4.1 ROM, SRAM, or Flash Guidelines.......................................................................10
4.1.1 Layout Guidelines...............................................................................11
4.1.2 Wait State Profiles ..............................................................................11
4.2 SDRAM Guidelines .............................................................................................12
4.2.1 Layout Guidelines...............................................................................13
4.2.2 SDRAM Clocking................................................................................20
4.2.3 SDRAM Power Failure Guidelines .....................................................21
4.2.4 System Assumptions ..........................................................................21
4.2.5 External Logic Required for Power Failure.........................................22
5.0 Interrupt Routing...............................................................................................................24
5.1 Intel® 80303 I/O Processor Implementation on a MotherBoard ..........................24
5.2 Intel® 80303 I/O Processor Implementation on an Add-in Card..........................25
6.0 Clocking Guidelines..........................................................................................................26
6.1 Layout Guidelines for Add-in Cards ....................................................................26
6.2 Layout Guidelines for Motherboards ...................................................................27
7.0 Intel® 80303 I/O Processor Signals Requiring Pull-Up/Down Resistors ..........................29
8.0 Intel® 80303 I/O Processor 5 V and 3.3 V Design Considerations ..................................31
8.1 VCC5REF Pin Requirement (VDIFF) ......................................................................31
8.2 VCCPLL Pins Requirement ...................................................................................32
8.3 Pull-ups and Pull-down Resistors........................................................................32
8.4 FAIL# Pin Implementation ...................................................................................32
9.0 Processor Power Supply Decoupling ...............................................................................33
9.1 High Frequency Decoupling ................................................................................33
10.0 Intel® 80303 I/O Processor Based Reference Design .....................................................35
11.0 Debug Connector Recommendations ..............................................................................36
11.1 PBGA Sockets and Headers ...............................................................................36
11.2 Logic Analyzer Connectivity ................................................................................38
11.3 JTAG Connector and Test Interface....................................................................39
11.3.1 Intel® 80303 I/O Processor JTAG Emulator .......................................39
11.3.2 Intel® 80303 I/O Processor Target Debug Interface Connector .........39
11.3.3 Connecting The Emulator To The Target ...........................................41
11.3.4 Other Tools.........................................................................................42
Intel® 80303 I/O Processor Design Guide
3



No Preview Available !

12.0 Design for Manufacturability............................................................................................. 43
13.0 Thermal Solutions ............................................................................................................ 44
13.1 Thermal Recommendations ................................................................................ 44
13.2 3-Dimensional View: Processor With Heat Sink Attached .................................. 45
13.3 PCB Heatsink Hole Dimensions.......................................................................... 46
13.4 Clearances of PCI Board and Components ........................................................ 48
13.5 Heat Sink Information.......................................................................................... 49
13.5.1 Socket Information ............................................................................. 49
13.5.2 Socket-Header Vendor....................................................................... 49
13.5.3 Burn-in Socket Vendor ....................................................................... 49
13.5.4 Shipping Tray Vendor......................................................................... 50
13.5.5 JTAG Emulator Vendor ...................................................................... 50
14.0
References....................................................................................................................... 51
14.1 Related Documents............................................................................................. 51
14.2 Electronic Information ......................................................................................... 51
Figures
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
540L H-PBGA Diagram (Bottom View) ................................................................. 8
Examples of Stubless and Short Stub Traces....................................................... 9
4 Mbyte Flash Memory System........................................................................... 11
Dual-Bank SDRAM Memory Subsystem............................................................. 13
Single DIMM Address, Data and Control Signals ............................................... 15
Dual DIMM Address, Data and Control Signals .................................................. 15
Single DIMM SCE[1:0] Signals ........................................................................... 16
Dual DIMM SCE[1:0] Signals .............................................................................. 16
Single DIMM SCKE[1:0] Signals ......................................................................... 17
Dual DIMM SCKE[1:0] Signals............................................................................ 17
Single DIMM SDQM[7:0] Signals ........................................................................ 17
Dual DIMM SDQM[7:0] Signals........................................................................... 18
Discrete SDRAM Address and Control Signals .................................................. 18
Discrete SDRAMs Data Signals.......................................................................... 19
Discrete SDRAMs DQM[7:0] Signals .................................................................. 19
Clocking for a Dual-Bank SDRAM DIMM ............................................................ 20
External Power Failure State Machine................................................................ 22
External Power Failure Logic in the System ....................................................... 22
Logic Generating PWRDELAY and SYSTEM_RST#.......................................... 23
PWRDELAY Timings .......................................................................................... 23
Example Secondary PCI Connector Interrupt Routing........................................ 25
PCI Add-in Card Example Configuration............................................................. 26
Motherboard Example Configuration .................................................................. 28
VCC5REF Current-Limiting Resistor...................................................................... 31
VCCPLL Lowpass Filter ........................................................................................ 32
Recommended FAIL# Circuit .............................................................................. 32
High-Frequency Capacitor Values and Layout ................................................... 34
540L PBGA Header ............................................................................................ 36
4 Intel® 80303 I/O Processor Design Guide




80303 datasheet pdf
Download PDF
80303 pdf
View PDF for Mobile


Similiar Datasheets : 80303 8031AH 8031AH 8031AH 80321 80321 8032AH 8032AH 8035AHL 8037 80386DX 80386DXRP 80386EX 80386SXSA 80387DX 8038ACP 8039AHL

Index :   0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z   

This is a individually operated, non profit site. If this site is good enough to show, please introduce this site to others.
Since 2010   ::   HOME   ::   Privacy Policy + Contact