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參數(shù)資料
| 型號： | AM79C875KC |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 網(wǎng)絡接口 |
| 英文描述： | NetPHY⑩ 4LP Low Power Quad 10/100-TX/FX Ethernet Transceiver |
| 中文描述： | DATACOM, ETHERNET TRANSCEIVER, PQFP100 |
| 封裝： | 14 X 20 MM, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 26/48頁 |
| 文件大?。?/td> | 2480K |
| 代理商： | AM79C875KC |
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26
Am79C875
MII Management Control Register (Register 0)
Table 7.
Reg
Bit
Name
Description
Read/
Write
Default
0
15
Reset
1 = PHY reset.
0 = Normal operation.
This bit is self-clearing.
RW/SC
0
0
14
Loopback
1 = Enable loopback mode. This will loopback TXD to RXD,
thus it will ignore all the activity on the cable media.
0 = Disable loopback mode. Normal operation.
RW
0
0
13
Speed Select
1 = 100 Mbps.
0 = 10 Mbps.
RW
Set by
FORCE100
pin
0
12
Auto-Neg Enable
1 = Enable Auto-Negotiation process (overrides 0.13 and 0.8).
0 = Disable Auto-Negotiation process.
RW
Set by
ANEGA pin
0
11
Power Down
1 = Power down. The NetPHY 4LP device
will shut off all
blocks except for MDIO/MDC interface.
0 = Normal operation.
RW
0
0
10
Isolate
1 = Electrically isolate the PHY from MII. However, PHY is still
able to respond to MDC/MDIO.
0 = Normal operation.
RW
0
0
9
Restart
Auto-Negotiation
1 = Restart Auto-Negotiation process.
0 = Normal operation.
RW/SC
0
0
8
Duplex Mode
1 = Full duplex.
0 = Half duplex.
Auto-Negotiation enabled: This bit is writable but will be
ignored.
Auto-Negotiation disabled: This pin is reset read value of
DPLX.
RW
Set by
DPLX pin
0
7
Collision Test
1 = Enable collision test, which issues the COL signal in
response to the assertion of TX_EN signal. Collision test is
enabled regardless of the duplex mode.
0 = disable COL test.
RW
0
0
6:0
Reserved
Write as 0, ignore on read.
RW
0
MII Management Control Register (Register 0)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C875KD | 制造商:Advanced Micro Devices 功能描述:PHY 4-CH 10Mbps/100Mbps 100-Pin PQR 制造商:Advanced Micro Devices 功能描述:NPD IC OPN ETHERNET TRANSCEIVER 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 4-CH 10Mbps/100Mbps 100-Pin PQR |
| AM79C875KF | 制造商:Advanced Micro Devices 功能描述:PHY 4-CH 10Mbps/100Mbps 100-Pin PQR 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 4-CH 10Mbps/100Mbps 100-Pin PQR |
| AM79C875KI | 制造商:Advanced Micro Devices 功能描述:PHY 4-CH 10Mbps/100Mbps 100-Pin PQR 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 4-CH 10Mbps/100Mbps 100-Pin PQR |
| AM79C90 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:CMOS Local Area Network Controller for Ethernet (C-LANCE) |
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