ICS1893Y-10LFT IDT, Integrated Device Technology Inc, ICS1893Y-10LFT Datasheet - Page 23
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ICS1893Y-10LFT
Manufacturer Part Number
ICS1893Y-10LFT
Description
PHYCEIVER LOW PWR 3.3V 64-TQFP
Manufacturer
IDT, Integrated Device Technology Inc
Series
PHYceiver™r
Type
PHY Transceiverr
Specifications of ICS1893Y-10LFT
Protocol
MII
Voltage - Supply
3.14 V ~ 3.47 V
Mounting Type
Surface Mount
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Drivers/receivers
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
1893Y-10LFT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ICS1893Y-10LFT
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
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5.3 Automatic Power-Saving Operations
5.4 Auto-Negotiation Operations
ICS1893 Rev C 6/6/00
The ICS1893 has power-saving features that automatically minimize its total power consumption while it is
operating.
Table 5-1.
The ICS1893 has an Auto-Negotiation sublayer and provides both an input pin, ANSEL (Auto-Negotiation
Select) and a Control Register bit (bit 0.12) to determine whether its Auto-Negotiation sublayer is enabled
or disabled. The ICS1893 HW/SW input pin exclusively selects whether the ANSEL pin (which is used for
the hardware mode) or Control Register bit 0.12 (which is used for the software mode) controls its
Auto-Negotiation sublayer.
When enabled, the ICS1893 Auto-Negotiation sublayer exchanges technology capability data with its
remote link partner and automatically selects the highest-performance operating mode it has in common
with its remote link partner. For example, if the ICS1893 supports 100Base-TX and 10Base-T modes – but
its link partner supports 100Base-TX and 100Base-T4 modes – the two devices automatically select
100Base-TX as the highest-performance common operating mode. For details regarding initialization and
control of the auto-negotiation process, see
Disable Inter-
nal Modules
STA Control
of Automatic
Power-
Saving
Features
Feature
ICS1893 - Release
Power-
Saving
Table 5-1
Automatic Power-Saving Features, 10Base-T and 100Base-TX Modes
In 10Base-T mode, the ICS1893 disables
all its internal 100Base-TX modules.
When an STA sets the state of the ICS1893
Extended Control Register 2, bit 19.0 to
logic:
•
•
Zero, the 100Base-TX modules always
remain enabled, even during 10Base-T
operations.
One, the ICS1893 automatically
disables 100Base-TX modules while the
ICS1893 is operating in 10Base-T
mode.
lists the ICS1893 automatic power-saving features for the various modes.
10Base-T Mode
Copyright © 2000, Integrated Circuit Systems, Inc.
All rights reserved.
Section 7.2, “ Functional Block: Auto-Negotiation”
23
Mode for ICS1893
In 100Base-TX mode, the ICS1893
disables all its internal 10Base-T modules.
When an STA sets the state of the ICS1893
Extended Control Register 2, bit 19.1 to
logic:
•
•
Zero, the 10Base-T modules always
remain enabled, even during
100Base-TX operations.
One, the ICS1893 automatically
disables 10Base-T modules while the
ICS1893 is operating in 100Base-TX
mode.
Chapter 5 Operating Modes Overview
100Base-TX Mode
.
June, 2000
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