IDT1893BFILF IDT, Integrated Device Technology Inc, IDT1893BFILF Datasheet - Page 46
![](/photos/31/26/312666/57648ssop_sml.jpg)
IDT1893BFILF
Manufacturer Part Number
IDT1893BFILF
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT1893BFILF.pdf
(138 pages)
Specifications of IDT1893BFILF
Lead Free Status / RoHS Status
Compliant
- Current page: 46 of 138
- Download datasheet (2Mb)
6.5.14 10Base-T Operation: Isolation Transformer
6.6 Functional Block: Management Interface
6.6.1 Management Register Set Summary
6.6.2 Management Frame Structure
ICS1893BF, Rev. E, 8/11/09
When an ICS1893BF detects a reversed signal polarity on its Twisted-Pair Receiver pins and the Auto
Polarity-Inhibit bit is also logic zero (enabled), the ICS1893BF (1) automatically corrects the data stream
and (2) sets its Polarity Reversed bit (bit 18.14) to logic one, to indicate to the STA that this situation exists.
Bit 18.14 is a latching high (LH) bit. (For more information on latching high and latching low bits, see
Section 7.1.4.1, “Latching High Bits”
Note:
The 10Base-T Isolation Transformer operates the same as the 100Base-TX Isolation Transformer. In fact,
in a typical ICS1893BF application they are the same unit. For more information, see
“100Base-TX Operation: Isolation
As part of the MAC Interface, the ICS1893BF provides a two-wire serial management interface which
complies with the ISO/IEC 8802-3 standard MII Serial Management Interface. This interface is used to
exchange control, status, and configuration information between a Station Management entity (STA) and
the physical layer device (PHY). The PHY and STA exchange this data through a pre-defined set of
management registers. The ISO/IEC standard specifies the following components of this serial
management interface:
•
•
•
In compliance with the ISO/IEC specification, the ICS1893BF implementation of the serial management
interface provides a bi-directional data pin (MDIO) along with a clock (MDC) for synchronizing the
exchange of data. These pins remain active in all ICS1893BF MAC Interface modes (that is, the 10/100
MII, 100M Symbol, and 10M Serial interface modes).
The ICS1893BF implements a Management Register set that adheres to the ISO/IEC standard. This
register set (discussed in detail in
Control and Status registers and the ISO/IEC ‘Extended’ registers as well as some ICS-specific registers.
The Serial Management Interface is a synchronous, bi-directional, two-wire, serial interface for the
exchange of configuration, control, and status data between a PHY, such as an ICS1893BF, and an STA.
All data transferred on an MDIO signal is synchronized by its MDC signal. The PHY and STA exchange
data through a pre-defined register set.
The ICS1893BF complies with the ISO/IEC defined Management Frame Structure and protocol. This
structure supports both read and write operations.
Structure.
A set of registers
The frame structure
The protocol
ICS1893BF Data Sheet - Release
The ICS1893BF will not complete the Auto-MDIX function for an inverted polarity cable. This
is a rare event with modern manufactured cables. Full Auto-Negotiation and Auto Polarity
Correction will complete when the Auto-MDIX function is disabled. Software control for the
Auto-MDIX function is available in MDIO Register 19 Bits 9:8.
(Section 6.6.1, “Management Register Set
(Section 6.6.2, “Management Frame
Chapter 7, “Management Register
Transformer”.
and
Copyright © 2009, IDT, Inc.
Section 7.1.4.2, “Latching Low
All rights reserved.
46
Table 6-1
Structure”)
summarizes the Management Frame
Summary”)
Set”) includes the mandatory ‘Basic’
Bits”.)
Chapter 6 Functional Blocks
Section 6.4.7,
August, 2009
Related parts for IDT1893BFILF
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![IDT77010L155PQF](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
TRANSLATION DEVICE DPI 80-PQFP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![IDT74FCT162244ATPA](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
IDT PART
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![IDT82P5088BBG](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
IC LIU T1/E1/J1 OCTAL 256PBGA
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![ICS9FG104DGILFT](/photos/6/49/64969/ics9fg104dgilft_tmb.jpg)
Part Number:
Description:
IC FREQ TIMING GENERATOR 28TSSOP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![ICS95V857AKLF](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
IC CLK DVR PLL 1:10 40VFQFPN
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![MPC9109AC](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
IC CLK FANOUT BUFFER 1:18 32LQFP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![MPC940LAC](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
IC CLK FANOUT BUFFER 1:18 32LQFP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![ICS9LPRS525AGILF](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
IC CK505 VREG/RES 56TSSOP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![IDTCSPT857CPAG](/photos/6/50/65023/idtcspt857cpag_tmb.jpg)
Part Number:
Description:
IC SDRAM CLK DVR 1:10 48-TSSOP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![ICS95V857AGLF](/photos/6/50/65024/ics95v857aglf_tmb.jpg)
Part Number:
Description:
IC CLK DVR PLL 1:10 48TSSOP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![IDTCV133PAG](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
IC FLEXPC CLK PROGR P4 56-TSSOP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![IDTCV115-2PV](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
IC FLEXPC CLK PROGR P4 56-TSSOP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![IDTCV123PV](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
IC FLEXPC CLK PROGR P4 56-SSOP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![IDTCSPT855PGG](/photos/31/26/312654/28pin_tssop_ep_tmb.jpg)
Part Number:
Description:
IC PLL CLK DRIVER 2.5V 28-TSSOP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet:
![ICS95V847AG](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_tmb.jpg)
Part Number:
Description:
IC CLOCK DRIVER 2.5V 24-TSSOP
Manufacturer:
IDT, Integrated Device Technology Inc
Datasheet: