參數(shù)資料
型號: SAA7785
廠商: NXP Semiconductors N.V.
英文描述: ThunderBird Avenger(TM) PCI Audio Accelerator(雷鳥Avenger(TM)PCI音頻加速器)
中文描述: 雷鳥復(fù)仇者(商標(biāo))的PCI音頻加速器(雷鳥復(fù)仇者(商標(biāo))的PCI音頻加速器)
文件頁數(shù): 62/68頁
文件大?。?/td> 1303K
代理商: SAA7785
ThunderBird Avenger
TM
PCI Audio
Accelerator
SAA7785
Philips Semiconductors
Preliminary Specification
1999
Nov 12
62
TABLE 63
Subsystem Vendor ID - SUBVENID (RO)
TABLE 64
Subsystem ID - SUBSYSID (RO)
UARTBASE[15:8]
POR Value
0
0
0
0
0
0
0
0
D7
D6
D5
D4
D3
D2
D1
D0
UARTBASE[7:3]
R
R
IO
POR Value
0
0
0
0
0
0
0
1
Bit
Name
R/W
Function
31:3
UART-
BASE
RW
16650 UART base address. The address should be on a 8 byte boundary. For ref-
erence, 550 compatible UART legacy base addresses are 3E8h, 338h, 2E8h,
220h, 238h, 2E0h, 228h, 3F8h, and 2F8h.
2:1
R
RO
Reserved. These bits are reserved and always return zeros for plug and play.
0
IO
RO
I/O flag. This read only bit indicates that this is an I/O range.
PCI CFG 2
D15
D14
D13
D12
D11
D10
D9
D8
Offset 2Ch
SUBVEN_ID[15:8]
POR Value
0
0
0
1
0
0
0
0
D7
D6
D5
D4
D3
D2
D1
D0
SUBVEN_ID[7:0]
POR Value
0
0
0
0
0
1
0
0
Bit
Name
R/W
Function
15:0
SUBVEN_ID
RO
Subsystem Vendor ID. The Subsystem Vendor ID register allows the manu-
facturer to uniquely identify their board since more than one board OEM may
use the SSA7785 ThunderBird Avenger chip. The Subsystem Vendor ID
register is loaded by an external EEPROM via the Serial Configuration Port
after reset and before any access to the PCI configuration header. The PCI
target logic should force a retry if the Subsystem Vendor ID register has not
completed loading. The Subsystem Vendor ID is read only to the PCI inter-
face. If no external EEPROM is present, then the default Subsystem Vendor
ID is 1004h, that of Philips Semiconductors (VLSI).
PCI CFG 2
D15
D14
D13
D12
D11
D10
D9
D8
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