參數(shù)資料
型號： 1893YI-10
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 網(wǎng)絡(luò)接口
英文描述： DATACOM, INTERFACE CIRCUIT, PQFP64
封裝： 10 X 10 MM, TQFP-64
文件頁數(shù)： 25/152頁
文件大小： 943K
代理商： 1893YI-10
ICS1893 Rev C 6/6/00
June, 2000
120
Chapter 9
Pin Diagram, Listings, and Descriptions
ICS1893 Data Sheet - Release
Copyright 2000, Integrated Circuit Systems, Inc.
All rights reserved.
RXDV
10RXDV
36
Output
10M (Serial Interface) Receive Data Valid.
The ICS1893 asserts 10RXDV to indicate to the MAC/repeater
that data is available on the MII Receive Bus (RXD[3:0]). The
ICS1893:
Asserts 10RXDV after it detects and recovers the
Start-of-Stream delimiter, /J/K/. (For the timing reference,
see Chapter 10.5.6, “MII / 100M Stream Interface:
Synchronous Receive Timing”.)
De-asserts 10RXDV after it detects either the End-of-Stream
delimiter (/T/R/) or a signal error.
Note: 10RXDV is synchronous with the Receive Data Clock,
10RCLK.
RXER
–
39
No
connect
Receive Error.
For the 10M Serial Interface, this pin is a no connect. For more
information, see Table 6-2.
RXTRI
41
Input
Receive (Interface), Tri-State.
The input on this pin is from a MAC. When the signal on this
pin is logic:
– Low, the MAC indicates that it is not in a tri-state condition.
– High, the MAC indicates that it is in a tri-state condition. In
this case, the ICS1893 acts to ensure that only one PHY is
active at a time.
If the PHY address is 00, the ICS1893 acts as if the RX-TRI
pin is held high.
TXCLK
10TCLK
43
Output
10M (Serial Interface) Transmit Clock.
This pin’s description is the same as that given in Table 9-5.
TXD0
10TD
45
Input
10M (Serial Interface) Transmit Data.
This pin’s description is the same as that given in Table 9-5.
TXD1,
TXD2,
TXD3
–
46,
47,
48
No
connect
Transmit Data 1–3.
For the 10M Serial Interface, these pins are a no connect. For
more information, see Table 6-2.
TXEN
10TXEN
44
Input
10M (Serial Interface) Transmit Enable.
This pin’s description is the same as that given in Table 9-5.
TXER
–
42
No
connect
Transmit Error.
For the 10M Serial Interface, this pin is a no connect. For more
information, see Table 6-2.
Table 9-7.
MAC/Repeater Interface Pins: 10M Serial Interface (Continued)
MII Pin
Name
100M
Symbol
Pin
Name
Pin
No.
Pin
Type
Pin Description
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