ICS1894-43
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE PHYCEIVER
IDT®
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 21
ICS1894-43 REV A 030112
17.11 Auto-Negotiation
Progress Monitor Bit 0
Reference Decode Table Reference Decode Table RO LM
X
00
17.10 100Base-TX signal lost Valid signal Signal lost RO LH 0
17.9 100BasePLL Lock Error PLL locked PLL failed to lock RO LH 0
17.8 False Carrier detect Normal Carrier or Idle False Carrier RO LH 0
17.7 Invalid symbol detected Valid symbols observed Invalid symbol received RO LH 0 0
17.6 Halt Symbol detected No Halt Symbol received Halt Symbol received RO LH 0
17.5 Premature End detected Normal data stream Stream contained two
IDLE symbols
RO LH 0
17.4 Auto-Negotiation
complete
Auto-Negotiation in
process
Auto-Negotiation
complete
RO – 0
17.3 100Base-TX signal
detect
Signal present No signal present RO – 1 8
17.2 Jabber detect No jabber detected Jabber detected RO LH 0
17.1 Remote fault No remote fault detected Remote fault detected RO LH 0
17.0 Link Status Link is not valid Link is valid RO LL 0
Register
18 - 10Base-T Operations Register
18.15 Remote Jabber Detect No Remote Jabber
Condition detected
Remote Jabber Condition
Detected
RO LH 0 –
18.14 Polarity reversed Normal polarity Polarity reversed RO LH 0
18.13 Data Bus Mode Bit18.13 is latched pin RXTRI
Bit18.12 is latched pin 21
[1x]=RMII mode
[01]=not supported
[00]=not supported
R0 – –
18.12 R0 – L
18.11 AMDIXEN AMDIX disable AMDIX enable RW – L –
18.10 RXTRI RX output enable RX tri-state for RMII
interface
RW – L
18.9 REGEN Vender reserved register
access enable
Vender reserved register
(byte25~byte31) access
disable
RW – L
18.8 TM_SWITCH Switch TMUX2 to TMUX1, test control RW – 0
18.7 IDT reserved Read unspecified Read unspecified RW/0 – – –
18.6 IDT reserved Read unspecified Read unspecified RW/0 – –
18.5 Jabber inhibit Normal Jabber behavior Jabber Check disabled RW – 0
18.4 IDT reserved Read unspecified Read unspecified RW/1 – 1
Bit Definition When Bit = 0 When Bit = 1 Access
2
SF
2
Default
3
Hex