參數(shù)資料
型號: 82559
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: Fast Ethernet Multifunction PCI/CARD bus controller(快速以太網(wǎng)多功能PCI/CARD 總線控制器)
中文描述: 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PBGA196
封裝: 15 X 15 MM, BGA-196
文件頁數(shù): 77/124頁
文件大?。?/td> 1332K
代理商: 82559
Networking Silicon — 82559
Datasheet
67
8.2.2
Modem Command Register
The Modem Command field is a 16 bit word register and provides basic control over the modem’s
ability to respond to PCI/CardBus accesses. The Command register’s structure is shown in the table
below.
8.2.3
Modem Status Register
The Modem Status field is a 16 bit word register. It provides basic track of CardBus related events.
All bits are cleared by PCI RST#.
Table 12. Power Management Control and Status Register
Bits
Default
Read/Write
Description
15:10
000000b
Read Only
Reserved.
These bits are reserved and should be set to 000000b.
9
0b
Read Only
Fast Back-to-Back.
8
0b
Read/Write
System Error Enable.
7
0b
Read Only
Wait Cycle Enable.
6
0b
Read/Write
Parity Error Enable.
5
0b
Read Only
VGA (define).
4
0b
Read Only
Memory Write and Invalidate.
3
0b
Read Only
Special Cycle.
2
0b
Read Only
Master Enable.
1
0b
Read/Write
Memory Access Enable.
0
0b
Read/Write
I/O Access Enable.
Table 13. Modem Status Register
Bits
Default
Read/Write
Description
15
0
Read/Write
Parity Error.
14
0
Read/Write
System Error Enable.
13:11
000
Read Only
Signaled/Received Target Abort.
10:9
01
Read Only
Device Select Timing.
8
0
Read Only
Data Parity Detect.
7
0
Read Only
Fast Back-to-Back Capable.
6:5
00
Read Only
Reserved.
These bits are reserved and should be set to 00b.
4
1
Read Only
New Capability.
3:0
0000
Read Only
Reserved.
These bits are reserved and should be set to 0000b.
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