ICS1894-32 Datasheet, PDF (24/53 Pages) Integrated Device Technology – 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE

ICS1894-32
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
PHYCEIVER
Bit
Definition
When Bit = 0
When Bit = 1
Access ² SF² Default³ Hex
18.3
Auto polarity inhibit
Polarity automatically Polarity not automatically
RW
–
0
0
corrected
corrected
18.2
SQE test inhibit
Normal SQE test
behavior
SQE test disabled
RW
–
0
18.1
Link Loss inhibit
Normal Link Loss
behavior
Link Always = Link Pass
RW
–
0
18.0
Squelch inhibit
Normal squelch behavior No squelch
RW
–
0
Register 19h - Extended Control Register
19.15
Node Mode
Node mode
Repeater mode
RW
–
L
–
19.14
Hardware/Software
Use bit00.13 to select Use real time input pin 22 RW
–
L
Mode Speed Select
speed
only to select speed
19.13
Remote Fault
No faults detected
Remote fault detected
RO
–
0
19.12
Register Bank select
[01]=Bank1, access register0x00~0x13 and
RW
–
0
19.11
ICS1893CF registers 0x14~0x1F
[00]=Bank0, access register0x00~0x13, new defined
RW
–
0
2
registers 0x14~0x25
[1x]=Bank0, same as [00]
19.10
ICS reserved
Read unspecified
Read unspecified
RO
–
0
19.9
AMDIX_EN
See Table on page 11 See Table on page 11
RW
–
1
19.8
MDI_MODE
See Table on page 11 See Table on page 11
RW
–
0
19.7
Twisted Pair Tri-State Twisted Pair Signals are Twisted Pair Signals are
RW
–
0
0
Enable, TPTRI
not Tri-Stated or No
Tri-Stated
effect
19.6
ICS reserved
Read unspecified
Read unspecified
RW
–
0
19.5
ICS reserved
Read unspecified
Read unspecified
RW
–
0
19.4
ICS reserved
Read unspecified
Read unspecified
RW
–
0
19.3
ICS reserved
Read unspecified
Read unspecified
RW
–
0
1
19.2
ICS reserved
Read unspecified
Read unspecified
RW
–
0
19.1
ICS reserved
Read unspecified
Read unspecified
RW
–
0
19.0
Automatic 100Base-TX Do not automatically
Power down automatically RW
–
1
Power Down
power down
Register 20h - Extended Control Register
20.15
Str_enhance
Normal digital output
strength
Enhance digital output
RW
strength in 1.8V condition
0
3
20.14 ICS reserved
Read unspecified
Read unspecified
RW
–
0
20.13 ICS reserved
Read unspecified
Read unspecified
RW
–
1
20.12
1
IDT™ / ICS™ 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 24
ICS1894-32 REV F 110209