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參數(shù)資料
| 型號(hào)： | L64381 |
| 廠商： | LSI Corporation |
| 英文描述： | 4-Port Ethernet Controller(四端口以太網(wǎng)控制器) |
| 中文描述： | 4端口以太網(wǎng)控制器（四端口以太網(wǎng)控制器） |
| 文件頁(yè)數(shù)： | 43/109頁(yè) |
| 文件大?。?/td> | 815K |
| 代理商： | L64381 |
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Network Interface Signals
3-3
3.1
Network
Interface
Signals
This section describes the signals that comprise the L64381 Network
Interface.
COLLIN[3:0]
Negative Collision Threshold
COLLIN[3:0] and COLLIP[3:0] are used to detect colli-
sions. COLLIN[3:0] are valid only in AUI mode (TP/AUI
signal is LOW), and should be connected to the outputs
of the negative collision threshold differential receivers.
COLLIN[3:0] correspond to Ports [3:0], respectively.
Input
COLLIP[3:0]
Positive Collision Threshold
COLLIN[3:0] and COLLIP[3:0] are used to detect colli-
sions. COLLIP[3:0] are valid only in AUI mode (TP/AUI
signal is LOW), and should be connected to the outputs
of the positive collision threshold differential receivers.
COLLIP[3:0] correspond to Ports [3:0], respectively.
Input
CREF[3:0]
Collision Reference
These inputs are the reference voltages for the
COLLIN[3:0] and COLLIP[3:0] inputs. The internal
circuitry follows:
Input
DATAI[3:0]
Serial Data In
Each port receives serial data from the network on these
pins.
Input
DATAN[3:0]
Negative Manchester-Encoded Data
Each port transmits negative Manchester-encoded data
on these pins.
Output
DATAP[3:0]
Positive Manchester-Encoded Data
Each port transmits positive Manchester-encoded data
on these pins.
Output
COLLINP
COLLINN
COLLIPx
COLLINx
CREFx
Port x
L64381
+
–
+
–
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