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參數(shù)資料
| 型號： | DM9000 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | ISA TO ETHERNET MAC CONTROLLER WITH INTEGRATED 10/100 PHY |
| 中文描述： | ISA以以太網(wǎng)MAC控制器，它集成10/100網(wǎng)卡芯片 |
| 文件頁數(shù)： | 24/54頁 |
| 文件大?。?/td> | 575K |
| 代理商： | DM9000 |
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DM9000
ISA to Ethernet MAC Controller with Integrated 10/100 PHY
24
Final
Version: DM9000-DS-F02
June 26, 2002
0.8
Duplex mode
1,RW
Duplex Mode
1 = Full duplex operation. Duplex selection is allowed when Auto-
negotiation is disabled (bit 12 of this register is cleared). With
enabled auto-negotiation, this bit reflects the duplex capability
selected by auto-negotiation
0 = Normal operation
Collision Test
1 = Collision test is enabled. When set, this bit will cause the COL
signal to be asserted in response to the assertion of TX_EN
0 = Normal operation
Reserved
Write as 0, ignore on read
0.7
Collision test
0,RW
0.6-0.0
RESERVED
0,RO
8.2 Basic Mode Status Register (BMSR) - 01
Bit
Bit Name
1.15
100BASE-T4
Default
0,RO/P
Description
100BASE-T4 Capable
1 = Able to perform in 100BASE-T4 mode
0 = Not able to perform in 100BASE-T4 mode
100BASE-TX Full Duplex Capable
1 = Able to perform 100BASE-TX in full duplex mode
0 = Not able to perform 100BASE-TX in full duplex mode
100BASE-TX Half Duplex Capable
1 = Able to perform 100BASE-TX in half duplex mode
0 = Not able to perform 100BASE-TX in half duplex mode
10BASE-T Full Duplex Capable
1 = Able to perform 10BASE-T in full duplex mode
0 = Not able to perform 10BASE-TX in full duplex mode
10BASE-T Half Duplex Capable
1 = Able to perform 10BASE-T in half duplex mode
0 = Not able to perform 10BASE-T in half duplex mode
Reserved
Write as 0, ignore on read
MII Frame Preamble Suppression
1 = PHY will accept management frames with preamble suppressed
0 = PHY will not accept management frames with preamble
suppressed
Auto-negotiation Complete
1 = Auto-negotiation process completed
0 = Auto-negotiation process not completed
Remote Fault
1 = Remote fault condition detected (cleared on read or by a chip
reset). Fault criteria and detection method is specific PHY
implementation. This bit will set after the RF bit in the ANLPAR (bit
13, register address 05) is set
0 = No remote fault condition detected
Auto Configuration Ability
1 = Able to perform auto-negotiation
0 = Not able to perform auto-negotiation
Link Status
1 = Valid link is established (for either 10Mbps or 100Mbps
1.14
100BASE-TX
full duplex
1,RO/P
1.13
100BASE-TX
half duplex
1,RO/P
1.12
10BASE-T
full duplex
1,RO/P
1.11
10BASE-T
half duplex
1,RO/P
1.10-1.7
RESERVED
0,RO
1.6
MF preamble
suppression
0,RO
1.5
Auto-
negotiation
Complete
Remote fault
0,RO
1.4
0,
0,RO/LH
1.3
Auto-
negotiation
Ability
Link status
1,RO/P
1.2
0,RO/LL
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