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參數(shù)資料
| 型號： | AM79C873KCW |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 網(wǎng)絡接口 |
| 英文描述： | NetPHY⑩ -1 10/100 Mbps Ethernet Physical Layer Single-Chip Transceiver with 100BASE-FX Support |
| 中文描述： | DATACOM, ETHERNET TRANSCEIVER, PQFP100 |
| 封裝： | PLASTIC, QFP-100 |
| 文件頁數(shù)： | 10/44頁 |
| 文件大小： | 543K |
| 代理商： | AM79C873KCW |
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10
Am79C873
P R E L I M I N A R Y
LNKSTS
Link Status Register Bit
This pin reflects the status of bit 2 register 1.
OPMODE0-OPMODE3
OPMODE0-OPMODE3
These pins are used to control the forced or advertised
operating mode of the NetPHY-1 device (see table be-
low). The value is latched into the NetPHY-1 device reg-
isters at power-up/rese..
Output
Input
RTPR/NODE
Repeater/Node Mode
When set high, this bit selects REPEATER mode; when
set low, it selects NODE. In REPEATER mode or
NODE mode with Full Duplex configured, the Carrier
Sense (CRS) output from the NetPHY-1 device will be
asserted only during receive activity. In NODE mode or
a mode not configured for Full Duplex operation, CRS
will be asserted during receive or transmit activity. At
power-up/reset, the value on this pin is latched into
Register 16, bit 11.
BPALIGN
Bypass Alignment
This pin allows 100 Mbps transmit and receive data
streams to bypass all of the transmit and receive oper-
ations when set high. At power-up/reset, the value on
this pin is latched into bit Register 16, bit 13.
BP4B5B
Bypass 4B5B Encoder/Decoder
This pin allows 100 Mbps transmit and receive data
streams to bypass the 4B to 5B encoder and 5B to 4B
decoder circuits when set high.
value on this pin is latched into Register 16, bit 15.
BPSCR
Bypass Scrambler/Descrambler
This pin allows 100 Mbps transmit and receive data
streams to bypass the scrambler and descrambler cir-
cuits when set high. At power-up/reset, the value on
this pin is latched into Register 16, bit 14.
10BTSER
Serial/Nibble Select
10 Mbps Serial Operation:
Input
Input
Input
At power-up/reset, the
Input
Input
When set high, this input selects a serial data transfer
mode. Manchester encoded transmit and receive data
is exchanged serially with a 10 MHz clock rate on the
least significant bits of the nibble-wide MII data buses,
pin TXD[0] and RXD[0] respectively. This mode is in-
tended for use with the NetPHY-1 device connected to
a device (MAC or Repeater) that has a 10 Mbps serial
interface. Serial operation is not supported in 100 Mbps
mode. For 100 Mbps, this input is ignored.
10 and 100 Mbps Nibble Operation:
When set low, this input selects the MII compliant nib-
ble data transfer mode. Transmit and receive data is ex-
changed in nibbles on the TXD[3:0] and RXD[3:0] pins
respectively.
At power-up/reset, the value on this pin is latched into
Register 18, bit 10.
OP-
MODE3
OP-
MODE2
OP-
MODE1
OP-
MODE0
Function
0
0
0
0
Auto-Negotiation
enable with all
capabilities with
Flow Control
0
0
0
1
Auto-Negotiation
enable without all
capabilities without
Flow Control
0
0
1
0
Auto-Negotiation
100TX FDX with
Flow Control only
0
0
1
1
Auto-Negotiation
100TX FDX/HDX
without Flow
Control
0
1
0
0
Auto-Negotiation
10TP FDX with
Flow Control only
0
1
0
1
Auto-Negotiation
10TX FDX/HDX
without Flow
Control
0
1
1
0
Manual select
100TX FDX
0
1
1
1
Manual select
100TX HDX
1
0
0
0
Manual select
10TX FDX
1
0
0
1
Manual select
10TX HDX
1
0
1
0
Manual select
100FX FDX
1
0
1
1
Manual select
100FX HDX
1
1
1
1
Auto-Negotiation
10/100TX. HDX
only
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C874 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:NetPHY-1LP Low Power 10/100-TX/FX Ethernet Transceiver |
| AM79C874KC/W | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Transceiver |
| AM79C874VC | 制造商:Advanced Micro Devices 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP |
| AM79C874VD | 制造商:Advanced Micro Devices 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP |
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