82801AB datasheet(17/414 Pages) INTEL

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82801AA and 82801AB

Datasheet

xvii

12.1.13 SID—Subsystem ID Register (Audio—D31:F5).............................12-6

12.1.14 INTR_LN—Interrupt Line Register (Audio—D31:F5) .....................12-6

12.1.15 INTR_PN—Interrupt Pin Register (Audio—D31:F5) ......................12-7

12.2

AC’97 Audio I/O Space (D31:F5)................................................................12-7

12.2.1 x_BDBAR—Buffer Descriptor Base Address Register ................12-10

12.2.2 x_CIV—Current Index Value Register .........................................12-10

12.2.3 x_LVI—Last Valid Index Register ................................................12-10

12.2.4 x_SR—Status Register ................................................................12-11

12.2.5 x_PICB—Position In Current Buffer Register ..............................12-12

12.2.6 x_PIV—Prefetched Index Value Register ....................................12-12

12.2.7 x_CR—Control Register ..............................................................12-13

12.2.8 GLOB_CNT—Global Control Register.........................................12-14

12.2.9 GLOB_STA—Global Status Register ..........................................12-14

12.2.10 CAS—Codec Access Semaphore Register .................................12-16

AC ’97 Modem Controller Registers (D31:F6) .........................................................13-1

13.1

AC ’97 Modem PCI Configuration Space (D31:F6) ....................................13-1

13.1.1 VID—Vendor Identification Register (Modem—D31:F6) ...............13-2

13.1.2 DID—Device Identification Register (Modem—D31:F6) ................13-2

13.1.3 PCICMD—PCI Command Register (Modem—D31:F6) ................13-2

13.1.4 PCISTA—Device Status Register (Modem—D31:F6) ...................13-3

13.1.5 RID—Revision Identification Register (Modem—D31:F6) .............13-3

13.1.6 PI—Programming Interface Register (Modem—D31:F6) ..............13-3

13.1.7 SCC—Sub Class Code Register (Modem—D31:F6).....................13-4

13.1.8 BCC—Base Class Code Register (Modem—D31:F6) ...................13-4

13.1.9 HEDTYP—Header Type Register (Modem—D31:F6) ...................13-4

13.1.10 MMBAR—Modem Mixer Base Address Register

(Modem—D31:F6) .........................................................................13-5

13.1.11 MBAR—Modem Base Address Register (Modem—D31:F6) ........13-5

13.1.12 SVID—Subsystem Vendor ID (Modem—D31:F6) .........................13-6

13.1.13 SID—Subsystem ID (Modem—D31:F6) ........................................13-6

13.1.14 INTR_LN—Interrupt Line Register (Modem—D31:F6) ..................13-7

13.1.15 INT_PIN—Interrupt Pin (Modem—D31:F6) ...................................13-7

13.2

AC’97 Modem I/O Space (D31:F6) .............................................................13-8

13.2.1 x_BDBAR—Buffer Descriptor List Base Address Register ..........13-10

13.2.2 x_CIV—Current Index Value Register .........................................13-10

13.2.3 x_LVI—Last Valid Index Register ................................................13-10

13.2.4 x_SR—Status Register ................................................................13-11

13.2.5 x_PICB—Position In Current Buffer Register ..............................13-12

13.2.6 x_PIV—Prefetch Index Value Register ........................................13-12

13.2.7 x_CR—Control Register ..............................................................13-13

13.2.8 GLOB_CNT—Global Control Register.........................................13-14

13.2.9 GLOB_STA—Global Status Register ..........................................13-14

13.2.10 CAS—Codec Access Semaphore Register .................................13-15

Electrical Characteristics..........................................................................................14-1

14.1

Absolute Maximum Ratings ........................................................................14-1

14.2

Thermal Characteristics ..............................................................................14-1

14.3

D.C. Characteristics ....................................................................................14-1

14.4

A.C. Characteristics ....................................................................................14-6

14.5

Timing Diagrams.......................................................................................14-16

82801AB Datasheet(PDF) 17 Page - Intel Corporation

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