88F6281
Hardware Specifications
Doc. No. MV-S104859-U0 Rev. E
Copyright © 2008 Marvell
Page 8
Document Classification: Proprietary Information
December 2, 2008, Preliminary
Table of Contents
Product Overview ....................................................................................................................................... 3
Features....................................................................................................................................................... 4
Preface....................................................................................................................................................... 15
About this Document .......................................................................................................................................15
Related Documentation...................................................................................................................................15
Document Conventions ...................................................................................................................................16
1
Pin and Signal Descriptions ....................................................................................................... 17
1.1
Pin Logic .........................................................................................................................................................18
1.2
Pin Descriptions ..............................................................................................................................................19
1.3
Internal Pull-up and Pull-down Pins ................................................................................................................48
2
Unused Interface Strapping........................................................................................................ 49
3
88F6281 Pin Map and Pin List .................................................................................................... 50
4
Pin Multiplexing ........................................................................................................................... 51
4.1
Multi-Purpose Pins Functional Summary ........................................................................................................51
4.2
Gigabit Ethernet (GbE) Pins Multiplexing on MPP ..........................................................................................57
4.3
TSMP (TS Multiplexing Pins) on MPP.............................................................................................................59
5
Clocking ....................................................................................................................................... 60
5.1
Spread Spectrum Clock Generator (SSCG)....................................................................................................62
6
System Power Up/Down and Reset Settings ............................................................................ 63
6.1
Power-Up/Down Sequence Requirements......................................................................................................63
6.2
Hardware Reset ..............................................................................................................................................64
6.3
PCI Express Reset ..........................................................................................................................................66
6.4
Sheeva
™
CPU TAP Controller Reset..............................................................................................................66
6.5
Pins Sample Configuration..............................................................................................................................66
6.6
Serial ROM Initialization ..................................................................................................................................70
6.7
Boot Sequence................................................................................................................................................71
7
JTAG Interface ............................................................................................................................. 73
7.1
TAP Controller.................................................................................................................................................73
7.2
Instruction Register .........................................................................................................................................73
7.3
Bypass Register ..............................................................................................................................................74
7.4
JTAG Scan Chain ...........................................................................................................................................74
7.5
ID Register ......................................................................................................................................................74
Содержание Integrated Controller 88F6281
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