INTEL82801 datasheet(16/414 Pages) INTEL

16 / 414 page

xvi

82801AA and 82801AB

Datasheet

10.2

USB I/O Registers ......................................................................................10-8

10.2.1 USBCMD—USB Command Register ............................................10-8

10.2.2 USBSTA—USB Status Register ..................................................10-11

10.2.3 USBINTR—Interrupt Enable Register..........................................10-12

10.2.4 FRNUM—Frame Number Register..............................................10-12

10.2.5 FRBASEADD—Frame List Base Address ...................................10-13

10.2.6 SOFMOD—Start of Frame Modify Register.................................10-13

10.2.7 PORTSC[0,1]—Port Status and Control Register........................10-14

SMBus Controller Registers (D31:F3) .....................................................................11-1

11.1

PCI Configuration Registers (SMBUS—D31:F3)........................................11-1

11.1.1 VID—Vendor Identification Register (SMBUS—D31:F3)...............11-2

11.1.2 DID—Device Identification Register (SMBUS—D31:F3) ...............11-2

11.1.3 CMD—Command Register (SMBUS—D31:F3).............................11-2

11.1.4 STA—Device Status Register (SMBUS—D31:F3) ........................11-3

11.1.5 RID—Revision ID Register (SMBUS—D31:F3).............................11-3

11.1.6 PI—Programming Interface (SMBUS—D31:F3)............................11-3

11.1.7 SCC—Sub Class Code Register (SMBUS—D31:F3)....................11-4

11.1.8 BCC—Base Class Code Register (SMBUS—D31:F3) ..................11-4

11.1.9 HEADTYP—Header Type Register (SMBUS—D31:F3)................11-4

11.1.10 SMB_BASE—SMBus Base Address Register

(SMBUS—D31:F3) ........................................................................11-4

11.1.11 SVID—Subsystem Vendor ID Register (SMBUS—D31:F3) ..........11-5

11.1.12 SID—Subsystem ID Register (SMBUS—D31:F3) .........................11-5

11.1.13 INTR_LN—Interrupt Line Register (SMBUS—D31:F3) .................11-5

11.1.14 INTR_PN—Interrupt Pin Register (SMBUS—D31:F3) ..................11-5

11.1.15 HOSTC—Host Configuration Register (SMBUS—D31:F3) ...........11-6

11.2

SMBus I/O Registers ..................................................................................11-6

11.2.1 HST_STA—Host Status Register ..................................................11-7

11.2.2 HST_CNT—Host Control Register ................................................11-8

11.2.3 HST_CMD—Host Command Register...........................................11-9

11.2.4 XMIT_SLVA—Transmit Slave Address Register ...........................11-9

11.2.5 D0—Data 0 Register......................................................................11-9

11.2.6 D1—Data 1 Register......................................................................11-9

11.2.7 BLOCK_DB—Block Data Byte Register ......................................11-10

AC’97 Audio Controller Registers (D31:F5).............................................................12-1

12.1

AC’97 Audio PCI Configuration Space (D31:F5) ........................................12-1

12.1.1 VID—Vendor Identification Register (Audio—D31:F5) ..................12-2

12.1.2 DID—Device Identification Register (Audio—D31:F5)...................12-2

12.1.3 PCICMD—PCI Command Register (Audio—D31:F5) ...................12-2

12.1.4 PCISTA—PCI Device Status Register (Audio—D31:F5)...............12-3

12.1.5 RID—Revision Identification Register (Audio—D31:F5)................12-3

12.1.6 PI—Programming Interface Register (Audio—D31:F5) .................12-3

12.1.7 SCC—Sub Class Code Register (Audio—D31:F5) .......................12-4

12.1.8 BCC—Base Class Code Register (Audio—D31:F5)......................12-4

12.1.9 HEADTYP—Header Type Register (Audio—D31:F5) ...................12-4

12.1.10 NAMBAR—Native Audio Mixer Base Address Register

(Audio—D31:F5) ............................................................................12-5

12.1.11 NABMBAR—Native Audio Bus Mastering Base Address

12.1.12 SVID—Subsystem Vendor ID Register (Audio—D31:F5)..............12-6

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