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| 型号： | DP83848C-MAU-EK |
| 厂商： | National Semiconductor |
| 文件页数： | 40/86页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION DP83848C |
| 标准包装： | 1 |
| 主要目的： | 接口，以太网 |
| 已用 IC / 零件： | DP83848C |
| 已供物品： | 板 |
| 相关产品： | DP83848CVVX/NOPBTR-ND - TXRX ETHERNET PHYTER 48-LQFP DP83848CVV-ND - IC TXRX ETHERNET PHYTER 48-LQFP |
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7.1.2 Basic Mode Status Register (BMSR)
Table 13. Basic Mode Status Register (BMSR), address 0x01
Bit
Bit Name
Default
Description
15
100BASE-T4
0, RO/P
100BASE-T4 Capable:
0 = Device not able to perform 100BASE-T4 mode.
14
100BASE-TX
Full Duplex
1, RO/P
100BASE-TX Full Duplex Capable:
1 = Device able to perform 100BASE-TX in full duplex mode.
13
100BASE-TX
Half Duplex
1, RO/P
100BASE-TX Half Duplex Capable:
1 = Device able to perform 100BASE-TX in half duplex mode.
12
10BASE-T
Full Duplex
1, RO/P
10BASE-T Full Duplex Capable:
1 = Device able to perform 10BASE-T in full duplex mode.
11
10BASE-T
Half Duplex
1, RO/P
10BASE-T Half Duplex Capable:
1 = Device able to perform 10BASE-T in half duplex mode.
10:7
RESERVED
0, RO
RESERVED: Write as 0, read as 0.
6
MF Preamble
Suppression
1, RO/P
Preamble suppression Capable:
1 = Device able to perform management transaction with preamble
suppressed, 32-bits of preamble needed only once after reset, invalid
opcode or invalid turnaround.
0 = Normal management operation.
5
Auto-Negotiation Com-
plete
0, RO
Auto-Negotiation Complete:
1 = Auto-Negotiation process complete.
0 = Auto-Negotiation process not complete.
4
Remote Fault
0, RO/LH
Remote Fault:
1 = Remote Fault condition detected (cleared on read or by reset).
Fault criteria: Far End Fault Indication or notification from Link Part-
ner of Remote Fault.
0 = No remote fault condition detected.
3
Auto-Negotiation Abili-
ty
1, RO/P
Auto Negotiation Ability:
1 = Device is able to perform Auto-Negotiation.
0 = Device is not able to perform Auto-Negotiation.
2
Link Status
0, RO/LL
Link Status:
1 = Valid link established (for either 10 or 100 Mb/s operation).
0 = Link not established.
The criteria for link validity is implementation specific. The occurrence
of a link failure condition will causes the Link Status bit to clear. Once
cleared, this bit may only be set by establishing a good link condition
and a read via the management interface.
1
Jabber Detect
0, RO/LH
Jabber Detect: This bit only has meaning in 10 Mb/s mode.
1 = Jabber condition detected.
0 = No Jabber.
This bit is implemented with a latching function, such that the occur-
rence of a jabber condition causes it to set until it is cleared by a read
to this register by the management interface or by a reset.
0
Extended Capability
1, RO/P
Extended Capability:
1 = Extended register capabilities.
0 = Basic register set capabilities only.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DP83848C-POE-EK | 功能描述:以太网开发工具 DP83848 POE CARD COMM TEMP RoHS:否 制造商:Micrel 产品:Evaluation Boards 类型:Ethernet Transceivers 工具用于评估:KSZ8873RLL 接口类型:RMII 工作电源电压: |
| DP83848CVV | 制造商:Texas Instruments 功能描述:IC, 10/100 ETHERNET PHY, SMD, LQFP48 |
| DP83848CVV/NOPB | 功能描述:以太网 IC PHYTER COMMERCIAL TEMP SGL PORT RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| DP83848CVV/NOPB | 制造商:Texas Instruments 功能描述:Ethernet Transceiver |
| DP83848CVVX | 制造商:Texas Instruments 功能描述:PHY 1-CH 10Mbps/100Mbps 48-Pin LQFP T/R |
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