ICS1894-40 Datasheet, PDF (22/52 Pages) Integrated Device Technology – 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE

ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
PHYCEIVER
Bit
Definition
When Bit = 0
When Bit = 1
16.3 NRZ/NRZI encoding
NRZ encoding
NRZI encoding
16.2 Transmit invalid codes Disabled
Enabled
16.1 ICS reserved
Read unspecified
Read unspecified
16.0 Stream Cipher disable Stream Cipher enabled Stream Cipher disabled
Register 17h - Quick Poll Detailed Status Register
17.15 Data rate
10 Mbps
100 Mbps
17.14 Duplex
Half duplex
Full duplex
17.13 Auto-Negotiation
Progress Monitor Bit 2
Reference Decode Table Reference Decode Table
17.12 Auto-Negotiation
Progress Monitor Bit 1
Reference Decode Table Reference Decode Table
17.11 Auto-Negotiation
Progress Monitor Bit 0
Reference Decode Table Reference Decode Table
17.10 100Base-TX signal lost Valid signal
Signal lost
17.9 100BasePLL Lock Error PLL locked
PLL failed to lock
17.8 False Carrier detect
Normal Carrier or Idle False Carrier
17.7 Invalid symbol detected Valid symbols observed Invalid symbol received
17.6 Halt Symbol detected No Halt Symbol received Halt Symbol received
17.5 Premature End detected Normal data stream
Stream contained two
IDLE symbols
17.4 Auto-Negotiation
complete
Auto-Negotiation in
process
Auto-Negotiation
complete
17.3 100Base-TX signal
detect
Signal present
No signal present
17.2 Jabber detect
No jabber detected
Jabber detected
17.1 Remote fault
No remote fault detected Remote fault detected
17.0 Link Status
Link is not valid
Link is valid
Register 18h - 10Base-T Operations Register
18.15 Remote Jabber Detect No Remote Jabber
Condition detected
Remote Jabber Condition
Detected
18.14 Polarity reversed
Normal polarity
Polarity reversed
18.13 Data Bus Mode
18.12
Bit18.13 is latched pin RXTRI
Bit18.12 is latched SI
[1x]=RMII mode
[01]=SI mode (Serial interface mode)
[00]=MII mode
Ac-
cess
RW
RW
RW/0
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
R0
R0
SF De- Hex
fault
–
1
8
–
0
–
0
–
0
–
–
–
–
–
LM 0
X
LM 0
X
LM 0
0
X
LH 0
LH 0
LH 0
LH 0
0
LH 0
LH 0
–
0
–
0
0
LH 0
LH 0
LL 0
LH 0
–
LH 0
–
–
–
–
IDT™ / ICS™ 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 22
ICS1894-40 REV C 092909