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參數(shù)資料
| 型號： | ICS1893BKILFT |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 45/133頁 |
| 文件大小： | 0K |
| 描述： | PHYCEIVER LOW PWR 3.3V 56-VQFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 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： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1252 (CN2011-ZH PDF) |
| 其它名稱： | 800-1795-6 |
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Chapter 4 Operating Modes Overview
ICS1893BF, Rev. F, 5/13/10
May, 2010
19
ICS1893BF Data Sheet Rev. F - Release
Copyright 2009, IDT, Inc.
All rights reserved.
4.1.2.3 Software Reset
Entering Software Reset
Initiation of a software reset occurs when a management entity writes a logic one to Control Register bit
0.15. When this write occurs, the ICS1893BF enters the reset state for two REF_IN clock cycles.
Note: Entering a software reset is nearly identical to entering a hardware reset or a power-on reset,
except that during a software-initiated reset, the ICS1893BF does not enter the power-down state.
Exiting Software Reset
At the completion of a reset (either hardware, power-on, or software), the ICS1893BF sets all registers to
their default values. This action automatically clears (that is, sets equal to logic zero) Control Register bit
0.15, the software reset bit. Therefore, for a software reset (only), bit 0.15 is a self-clearing bit that indicates
the completion of the reset process.
Note:
1. The RESETn pin is active low but Control Register bit 0.15 is active high.
2. Exiting a software reset is nearly identical to exiting a hardware reset or a power-on reset, except that
upon exiting a software-initiated reset, the ICS1893BF does not re-latch its Serial Management Port
Address into the Extended Control Register. [For information on the Serial Management Port Address,
3. The Control Register bit 0.15 does not represent the status of a hardware reset. It is a self-clearing bit
that is used to initiate a software reset. During a hardware or power-on reset, Control Register bit 0.15
does not get set to logic one. As a result, this bit 0.15 cannot be used to indicate the completion of the
reset process for hardware or power-on resets.
4.2 Power-Down Operations
The ICS1893BF enters the power-down state whenever either (1) the RESETn pin is low or (2) Control
Register bit 0.11 (the Power-Down bit) is logic one. In the power-down state, the ICS1893BF disables all
internal functions and drives all MAC Interface output pins to logic zero except for those that support the MII
Serial Management Port. In addition, the ICS1893BF tri-states its Twisted-Pair Transmit pins (TP_TXP and
TP_TXN) to achieve an additional reduction in power.
There is one significant difference between entering the power-down state by setting Control Register bit
0.11 as opposed to entering the power-down state during a reset. When the ICS1893BF enters the
power-down state:
By setting Control Register bit 0.11, the ICS1893BF maintains the value of all Management Register bits
except for the latching low (LL), latching high (LH), and latching maximum (LMX) status bits. Instead,
these LL, LH, and LMX Management Register bits are re-initialized to their default values.
During a reset, the ICS1893BF sets all of its Management Register bits to their default values. It does not
maintain the state of any Management Register bit.
For more information on power-down operations, see the following:
Section 9.4, “DC Operating Characteristics”, which has tables that specify the ICS1893BF power
consumption while in the power-down state
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS1893BKIT | 功能描述:PHYCEIVER LOW PWR 3.3V 56-VQFN RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:PHYceiver™ 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| ICS1893BKLF | 功能描述:PHYCEIVER LOW PWR 3.3V 56-VQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:PHYceiver™ 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| ICS1893BKLFT | 功能描述:PHYCEIVER LOW PWR 3.3V 56-VQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:PHYceiver™ 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| ICS1893BKT | 功能描述:PHYCEIVER LOW PWR 3.3V 56-VQFN RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:PHYceiver™ 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| ICS1893BRIEF | 制造商:ICS 制造商全稱:ICS 功能描述:3.3-V 10Base-T/100Base-TX Integrated PHYceiver |
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