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Intel 450NX PCIset
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CONTENTS
Chapter 11
Clocking and Reset .......................................................................................................................... 11-1
11.1
Clocking ..................................................................................................................................................... 11-1
11.2
System Reset ............................................................................................................................................ 11-2
11.2.1
Intel
450NX PCIset Reset Structure ......................................................................................... 11-2
11.2.2
Output States During Reset ........................................................................................................ 11-5
11.2.2.1
MIOC Reset State ..................................................................................................... 11-6
11.2.2.2
PXB Reset State ........................................................................................................ 11-8
11.2.2.3
RCG Reset State ....................................................................................................... 11-9
11.2.2.4
MUX Reset State ....................................................................................................... 11-9
Chapter 12
Electrical Characteristics ................................................................................................................. 12-1
12.1
Signal Specifications ................................................................................................................................. 12-1
12.1.1
Unused Pins ................................................................................................................................ 12-1
12.1.2
Signal Groups ............................................................................................................................. 12-1
12.1.3
The Power Good Signal: PWRGD .............................................................................................. 12-3
12.1.4
LDSTB# Usage ........................................................................................................................... 12-5
12.1.5
VCCA Pins .................................................................................................................................. 12-5
12.2
Maximum Ratings ...................................................................................................................................... 12-6
12.3
DC Specifications ...................................................................................................................................... 12-7
12.4
AC Specifications .................................................................................................................................... 12-11
12.5
Source Synchronous Data Transfers ...................................................................................................... 12-20
12.6
I/O Signal Simulations: Ensuring I/O Timings ......................................................................................... 12-21
12.7
Signal Quality Specifications ................................................................................................................... 12-21
12.7.1
Intel
450NX PCIset Ringback Specification ............................................................................ 12-21
12.7.2
Intel
450NX PCIset Undershoot Specification ........................................................................ 12-24
12.7.3
Skew Requirements .................................................................................................................. 12-24
12.8
Intel
450NX PCIset Thermal Specifications .......................................................................................... 12-25
12.8.1
Thermal Solution Performance ................................................................................................. 12-25
12.9
Mechanical Specifications ....................................................................................................................... 12-26
12.9.1
Pin Lists Sorted by Pin Number: ............................................................................................... 12-26
12.9.2
Pin Lists Sorted by Signal ......................................................................................................... 12-72
12.9.3
Package information ............................................................................................................... 12-118
12.9.3.1
324 BGA Package Information .............................................................................. 12-118
12.9.3.2
540 PBGA Package Information ............................................................................ 12-120