Product specifications

VT8237R Data Sheet
Revision 2.06 December 15, 2004 -ii- Table Of Contents
TABLE OF CONTENTS
REVISION HISTORY .......................................................................................................................................................................I
TABLE OF CONTENTS.................................................................................................................................................................. II
LIST OF FIGURES .......................................................................................................................................................................... V
LIST OF TABLES ...........................................................................................................................................................................VI
PRODUCT FEATURES.................................................................................................................................................................... 1
OVERVIEW....................................................................................................................................................................................... 4
PINOUTS............................................................................................................................................................................................ 7
PIN DESCRIPTIONS...................................................................................................................................................................... 10
V-Link Pin Descriptions....................................................................................................................................................... 10
CPU, APIC and CPU Control Pin Descriptions ................................................................................................................ 11
PCI Bus Pin Descriptions..................................................................................................................................................... 12
MII, Serial EEPROM and Low Pin Count Pin Descriptions............................................................................................ 13
USB, SMB Pin Descriptions................................................................................................................................................. 14
Enhanced IDE Interface Pin Descriptions.......................................................................................................................... 15
Serial ATA Pin Descriptions................................................................................................................................................ 16
AC’97 Audio and Modem Pin Descriptions ....................................................................................................................... 17
Serial IRQ and PC / PCI DMA Pin Descriptions............................................................................................................... 17
Internal Keyboard Controller and Speaker Pin Descriptions .......................................................................................... 18
Programming Chip Selects Pin Descriptions ..................................................................................................................... 19
General Purpose Inputs Pin Descriptions........................................................................................................................... 19
General Purpose Outputs Pin Descriptions........................................................................................................................ 20
Power Management and Event Pin Descriptions............................................................................................................... 21
Clocks, Resets, Power Status, Power and Ground Pin Descriptions................................................................................ 22
Strap Pin Descriptions.......................................................................................................................................................... 23
REGISTERS..................................................................................................................................................................................... 24
REGISTER OVERVIEW ................................................................................................................................................................. 24
REGISTER DESCRIPTIONS ........................................................................................................................................................... 43
Legacy I/O Ports ................................................................................................................................................................... 43
Keyboard Controller I/O Registers........................................................................................................................................................ 44
DMA Controller I/O Registers .............................................................................................................................................................. 46
Interrupt Controller I/O Registers.......................................................................................................................................................... 47
Timer / Counter Registers......................................................................................................................................................................47
CMOS / RTC I/O Registers................................................................................................................................................................... 48
Keyboard / Mouse Wakeup Index / Data Registers........................................................................................................... 49
Keyboard / Mouse Wakeup Registers................................................................................................................................. 49
Memory Mapped I/O APIC Registers ................................................................................................................................ 50
Indexed I/O APIC Registers ................................................................................................................................................ 50
Configuration Space I/O ...................................................................................................................................................... 52
Device 15 Function 0 Registers – Serial ATAController................................................................................................... 53
PCI Configuration Space Header........................................................................................................................................................... 53
SATA-Controller-Specific Configuration Registers.............................................................................................................................. 55
SATA Transport Control Registers ....................................................................................................................................................... 58
SATA Link Control Registers ............................................................................................................................................................... 58
SATA PHY Control Registers............................................................................................................................................................... 59
Transport Status Registers..................................................................................................................................................................... 59
PHY Status Registers ............................................................................................................................................................................ 60
Channel Control Registers..................................................................................................................................................................... 60
Power Management Control Registers .................................................................................................................................................. 60
Miscellaneous Control Registers ........................................................................................................................................................... 60