參數(shù)資料
型號(hào): ICS1893BKLFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 133/133頁
文件大?。?/td> 0K
描述: PHYCEIVER LOW PWR 3.3V 56-VQFN
標(biāo)準(zhǔn)包裝: 1,000
系列: PHYceiver™
類型: PHY 收發(fā)器
規(guī)程: MII
電源電壓: 3.14 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 56-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 56-VFQFP-EP(8x8)
包裝: 帶卷 (TR)
其它名稱: 1893BKLFT
Chapter 8 Pin Diagram, Listings, and Descriptions
ICS1893BF, Rev. F, 5/13/10
May, 2010
99
ICS1893BF Data Sheet Rev. F - Release
Copyright 2009, IDT, Inc.
All rights reserved.
RXD0
RXD1
RXD2
RXD3
31
30
29
28
Output
Receive Data 0–3.
RXD0 is the least-significant bit and RXD3 is the most-significant bit of
the MII receive data nibble.
While the ICS1893BF asserts RXDV, the ICS1893BF transfers the
receive data signals on the RXD0–RXD3 pins to the MAC Interface
synchronously on the rising edges of RXCLK.
RXDV
32
Output
Receive Data Valid.
The ICS1893BF asserts RXDV to indicate to the MAC that data is
available on the MII Receive Bus (RXD[3:0]). The ICS1893BF:
Asserts RXDV after it detects and recovers the Start-of-Stream
delimiter, /J/K/. (For the timing reference, see Chapter 9.5.6,
De-asserts RXDV after it detects either the End-of-Stream delimiter
(/T/R/) or a signal error.
Note: RXDV is synchronous with the Receive Data Clock, RXCLK.
RXER
35
Output
Receive Error.
When the MAC Interface is in:
10M MII mode, RXER is not used.
100M MII mode, the ICS1893BF asserts a signal on the RXER pin
when either of the following two conditions are true:
– Errors are detected during the reception of valid frames
– A False Carrier is detected
Note:
1. An ICS1893BF asserts a signal on the RXER pin upon detection of a
False Carrier so that repeater applications can prevent the
propagation of a False Carrier.
2. The RXER signal always transitions synchronously with RXCLK.
3. The signal on RXER pin is conditioned by the RXTRI pin.
TXCLK
37
Output
Transmit Clock.
The ICS1893BF generates this clock signal to synchronize the transfer of
data from the MAC Interface to the ICS1893BF. When the mode is:
10Base-T, the TXCLK frequency is 2.5 MHz.
100Base-TX, the TXCLK frequency is 25 MHz.
Table 8-7. MAC Interface Pins: Media Independent Interface (MII) (Continued)
Pin
Name
Pin
Number
Pin
Type
Pin Description
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