FW82801E Intel, FW82801E Datasheet - Page 3

• Manufacturer Part Number: FW82801E
• Description: Communications I/O Controller Hub
• Manufacturer: Intel

Contents
1.0
2.0
3.0
4.0
Advance Information Datasheet
Introduction....................................................................................................................................7
1.1
1.2
Package Information ................................................................................................................... 11
2.1
2.2
Signal Descriptions ..................................................................................................................... 25
3.1
3.2
3.3
3.4
Electrical Characteristics............................................................................................................ 57
4.1
Overview ............................................................................................................................... 9
About this Document .......................................................................................................... 10
Ball Location ....................................................................................................................... 11
Mechanical Specifications .................................................................................................. 23
Alphabetical Signal Reference............................................................................................25
Signals Grouped By Type ................................................................................................... 36
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.2.9
3.2.10 Power Signals ........................................................................................................42
3.2.11 Processor Interface................................................................................................ 43
3.2.12 SMBus Interface .................................................................................................... 44
3.2.13 System Management Interface ..............................................................................44
3.2.14 Real Time Clock Interface .....................................................................................44
3.2.15 Other Clocks .......................................................................................................... 45
3.2.16 Universal Asynchronous Receive and Transmit (UART 0,1) .................................45
3.2.17 SIU LPC Interface .................................................................................................. 46
3.2.18 Miscellaneous Signals ........................................................................................... 47
3.2.19 General Purpose I/O .............................................................................................. 47
3.2.20 Power and Ground.................................................................................................48
Pin Straps ...........................................................................................................................49
3.3.1
3.3.2
3.3.3
3.3.4
Power Planes and Pin States ............................................................................................. 51
3.4.1
3.4.2
3.4.3
3.4.4
3.4.5
Absolute Maximum Ratings ................................................................................................ 57
Hub Interface to Host Controller ............................................................................ 36
Link to LAN Connect .............................................................................................. 36
EEPROM Interface ................................................................................................ 36
Firmware Hub Interface ......................................................................................... 37
PCI Interface .......................................................................................................... 37
IDE Interface .......................................................................................................... 40
LPC Interface ......................................................................................................... 41
Interrupt Interface .................................................................................................. 41
USB Interface ........................................................................................................42
Functional Straps ................................................................................................... 49
Test Signals ........................................................................................................... 49
3.3.2.1
3.3.2.2
External RTC Circuitry ........................................................................................... 50
V5REF/Vcc3_3 Sequencing Requirements ...........................................................51
Power Planes......................................................................................................... 51
Integrated Pull-Ups and Pull-Downs ...................................................................... 52
IDE Integrated Series Termination Resistors......................................................... 52
Output and I/O Signals Planes and States ............................................................ 53
Power Planes for Input Signals..............................................................................55
Test Mode Selection ..............................................................................49
Test Straps............................................................................................. 50
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