Product specifications

VT8237R Data Sheet
Revision 2.06 December 15, 2004 -iii- Table Of Contents
SATA I/O Registers .............................................................................................................................................................................. 61
Device 15 Function 1 Registers - Enhanced IDE Controller............................................................................................. 62
PCI Configuration Space Header........................................................................................................................................................... 62
IDE-Controller-Specific Configuration Registers ................................................................................................................................. 64
IDE Power Management Registers........................................................................................................................................................ 68
IDE Back Door Registers ...................................................................................................................................................................... 68
IDE I/O Registers .................................................................................................................................................................................. 68
Device 16 Function 0 Registers - USB 1.1 UHCI Ports 0-1 ............................................................................................... 69
PCI Configuration Space Header........................................................................................................................................................... 69
USB 1.1-Specific Configuration Registers............................................................................................................................................ 70
USB 1.1 Ports 0-1 I/O Registers............................................................................................................................................................ 72
Device 16 Function 1 Registers - USB 1.1 UHCI Ports 2-3 ............................................................................................... 73
PCI Configuration Space Header........................................................................................................................................................... 73
USB 1.1-Specific Configuration Registers............................................................................................................................................ 74
USB 1.1 Ports 2-3 I/O Registers............................................................................................................................................................ 76
Device 16 Function 2 Registers - USB 1.1 UHCI Ports 4-5 ............................................................................................... 77
PCI Configuration Space Header........................................................................................................................................................... 77
USB 1.1-Specific Configuration Registers............................................................................................................................................ 78
USB 1.1 Ports 4-5 I/O Registers............................................................................................................................................................ 80
Device 16 Function 3 Registers - USB 1.1 UHCI Ports 6-7 ............................................................................................... 81
PCI Configuration Space Header........................................................................................................................................................... 81
USB 1.1-Specific Configuration Registers............................................................................................................................................ 82
USB 1.1 Ports 6-7 I/O Registers............................................................................................................................................................ 84
Device 16 Function 4 Registers - USB 2.0 EHCI................................................................................................................ 85
PCI Configuration Space Header........................................................................................................................................................... 85
USB 2.0-Specific Configuration Registers............................................................................................................................................ 86
EHCI USB 2.0 I/O Registers................................................................................................................................................................. 87
Device 16 Function 5 Registers - USB Direct Device Communications ........................................................................... 88
PCI Configuration Space Header........................................................................................................................................................... 88
USB-Device-Communications-Specific Registers ................................................................................................................................ 89
USB Device Controller Interface (UDCI) Memory Mapped I/O Registers........................................................................................... 92
Device 17 Function 0 Registers – Bus Control and Power Management......................................................................... 98
PCI Configuration Space Header........................................................................................................................................................... 98
ISA Bus Control .................................................................................................................................................................................... 99
LPC Firmware Memory Control ......................................................................................................................................................... 100
Miscellaneous Control......................................................................................................................................................................... 101
Function Control.................................................................................................................................................................................. 102
Serial IRQ, LPC, and PC/PCI DMA Control ...................................................................................................................................... 103
Plug and Play Control - PCI ................................................................................................................................................................ 103
GPIO and Miscellaneous Control........................................................................................................................................................ 104
Programmable Chip Select Control..................................................................................................................................................... 106
Output Control..................................................................................................................................................................................... 107
High Precision Event Timers (HPET) ................................................................................................................................................. 107
ISA Decoding Control......................................................................................................................................................................... 108
Power Management-Specific Configuration Registers........................................................................................................................ 110
System Management Bus-Specific Configuration Registers ............................................................................................................... 117
SMB GPIO Slave Command Codes .................................................................................................................................................... 117
General Purpose I/O Control Registers ............................................................................................................................................... 118
Watchdog Timer Registers .................................................................................................................................................................. 119
Power Management I/O-Space Registers ............................................................................................................................................ 120
System Management Bus I/O-Space Registers.................................................................................................................................... 129
Device 17 Function 5 Registers - AC97 Audio Controller............................................................................................... 132
PCI Configuration Space Header......................................................................................................................................................... 132
Audio-Specific PCI Configuration Registers....................................................................................................................................... 133
I/O Base 0 Regs – Audio Scatter / Gather DMA ................................................................................................................................. 135
Device 17 Function 6 Registers - AC97 Modem Controller ............................................................................................ 144
PCI Configuration Space Header......................................................................................................................................................... 144
Modem-Specific PCI Configuration Registers .................................................................................................................................... 145
I/O Base 0 Regs – Modem Scatter / Gather DMA............................................................................................................................... 147
Device 18 Function 0 Registers - LAN .............................................................................................................................. 150
PCI Configuration Space Header......................................................................................................................................................... 150
LAN-Specific PCI Configuration Registers ........................................................................................................................................ 150
LAN I/O Registers............................................................................................................................................................................... 152