參數(shù)資料
型號： LM4560VJD
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 消費(fèi)家電
英文描述： Advanced PCI Audio Accelerator
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： PLASTIC, TQFP-100
文件頁數(shù)： 7/54頁
文件大小： 380K
代理商： LM4560VJD
3.0 Register Description
3.1 PCI CONFIGURATION REGISTER MAP
Offset
00h
04h
08h
0Ch
10h
14h
18–28h
2Ch
30h
34h
38h
3Ch
40h
44h
48h
DCh
E0h
+3h
+2h
+1h
+0h
Device ID
Status
Vendor ID
Command
Class Code
Header Type
Revision ID
Cache Line Size
BIST
Latency Timer
Audio IO Base Address
Audio Memory Base Address
RSVD
Subsystem ID
Subsystem Vendor ID
RSVD
RSVD
Cap_Ptr
RSVD
MAX_LAT
MIN_GNT
Interrupt Pin
Interrupt Line
DDMA Slave CFG
PM_CFG
PM_Timer
LEGACY_DMA
INT_VEC
PM_Next_Ptr
LEGACY_IOBASE
INTA_SNOOP_ENA
PM_Cap_ID
PMCSR
RSVD
PMC
Power Value Data
PMCSR_BSE
3.1.1 PCI Configuration Register Description
3.1.1.1 Device ID & Vendor ID
PCI Configuration
Address:
00h–03h
Default:
001B100Bh
Description:
read/write,
CFG46h[6]=1
Bit 31–16 device ID: default 001Bh
Bit 15–0 vendor ID: default 100Bh
can
be
written
only
when
3.1.1.2 Status & Command:
PCI Configuration
Address:
04h–07h
Default:
02900000h
Description:
Bit 2–0: R/W
Bit 28: TA Received target abort. Write 1 to clear.
Bit 29: MA Received master abort. Write 1 to clear.
Bit 20: PM PCI Power Management support, hardwired to 1
Bit 23, 25: hardwired to 1
The rest bits: hardwired to 0
3.1.1.3 Class Code & Revision ID:
PCI Configuration
Address:
08h–0Bh
Default:
04010001h
Description:
read only
Bit 7–0: 01 revision ID
Bit 31–24: 04 Base class: Multimedia
Bit 23–16: 01 Sub-class: Audio device
Bit 15–8: 00 Interface
3.1.1.4 BIST, Header Type, Latency Timer & Cache Line
Size:
PCI Configuration
Address:
0Ch–0Fh
Default:
00000000h
Description:
Bit 15–12: R/W
The rest bits: hardwired to 0
3.1.1.5 Audio IO Base Register:
PCI Configuration
Address:
10h–13h
Default:
00000001h
Description:
Bit 31–8: R/W Audio IO base
Bit 7–1: Hardwire to 0
Bit 0: Hardwire to 1
3.1.1.6 Audio MEM Base Register:
PCI Configuration
Address:
14h–17h
Default:
00000000h
Description:
Bit 31–12: R/W Audio MEM base
Bit 11–0: Hardwire to 0
3.1.1.7 Subsystem ID & Subsystem vendor ID:
PCI Configuration
Address:
2Ch–2Fh
Default:
001B100Bh
Description:
read only
Bit 31–16: subsystem ID: default 001Bh
Bit 15–0: subsystem vendor ID: default 100Bh
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