IDT1893BFILF IDT, Integrated Device Technology Inc, IDT1893BFILF Datasheet - Page 53
IDT1893BFILF
Manufacturer Part Number
IDT1893BFILF
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT1893BFILF.pdf
(138 pages)
Specifications of IDT1893BFILF
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7.2 Register 0: Control Register
7.2.1 Reset (bit 0.15)
ICS1893BF, Rev. E, 8/11/09
Table 7-5
of the ICS1893BF.
•
•
•
Note:
Table 7-5. Control Register (Register 0 [0x00]
† Whenever the PHY address of
‡ As per the IEEE Std 802.3u, during any write operation to any bit in this register, the STA must write the default value
This bit controls the software reset function. Setting this bit to logic one initiates an ICS1893BF software
reset during which all Management Registers are set to their default values and all internal state machines
are set to their idle state. For a detailed description of the software reset process, see
“Software
During reset, the ICS1893BF leaves bit 0.15 set to logic one and isolates all STA management register
accesses. However, the reset process is not complete until bit 0.15 (a Self-Clearing bit), is set to logic zero,
which indicates the reset process is terminated.
0.15
0.14
0.13
0.12
0.11
0.10
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
Bit
•
•
to all Reserved bits.
The Control Register is accessible through the MII Management Interface.
Its operation is independent of the MAC Interface configuration.
It is fully compliant with the ISO/IEC Control Register definition.
Is equal to 00000 (binary), the Isolate bit 0.10 is logic one.
Is not equal to 00000, the Isolate bit 0.10 is logic zero.
ICS1893BF Data Sheet Rev. E - Release
Reset
Loopback enable
Data rate select
Auto-Negotiation enable
Low-power mode
Isolate
Auto-Negotiation restart
Duplex mode
Collision test
IEEE reserved
IEEE reserved
IEEE reserved
IEEE reserved
IEEE reserved
IEEE reserved
IEEE reserved
For an explanation of acronyms used in
lists the bits for the Control Register, a 16-bit register used to establish the basic operating modes
Reset”.
Definition
Table
No effect
Disable Loopback mode
10 Mbps operation
Disable Auto-Negotiation Enable Auto-Negotiation
Normal power mode
No effect
No effect
Half-duplex operation
No effect
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
7-16:
When Bit = 0
Copyright © 2009, IDT, Inc.
All rights reserved.
53
Table
7-5, see
ICS1893BF enters Reset
mode
Enable Loopback mode
100 Mbps operation
Low-power mode
Isolate ICS1893BF from
MII
Restart Auto-Negotiation
Full-duplex operation
Enable collision test
N/A
N/A
N/A
N/A
N/A
N/A
N/A
When Bit = 1
Chapter 1, “Abbreviations and
Chapter 7 Management Register Set
cess
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Ac-
RO
RO
RO
RO
RO
RO
RO
Section 4.1.2.3,
SC
SC
SF
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Acronyms”.
August, 2009
fault
0/1†
De-
0‡
0‡
0‡
0‡
0‡
0‡
0‡
0
0
1
1
0
0
0
0
0/4†
Hex
3
0
0
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