ICS1894-40 Datasheet, PDF (26/52 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
Ac-
cess
SF De- Hex
fault
23.8
Auto-Negotiation
Auto-Negotiation
Auto-Negotiation
RO/SC
0
Interrupt
Complete did not
Complete occurred
occurred
23.7
Jabber Interrupt
Jabber did not occurred Jabber occurred
RO/SC
0
23.6 Receive Error Interrupt Receive Error did not
Receive Error occurred
RO/SC
0
occurred
23.5 Page Receive Interrupt Page Receive did not Page Receive occurred RO/SC
0
occurred
23.4 Parallel Detect Fault Parallel Detect Fault did Parallel Detect Fault
RO/SC
0
Interrupt
not occurred
occurred
23.3
Link Partner
Link Partner
Link Partner Acknowledge RO/SC
0
Acknowledge Interrupt Acknowledge did not
occurred
occurred
23.2
Link Down Interrupt Link Down did not
Link Down occurred
RO/SC
0
occurred
23.1 Remote Fault Interrupt Remote Fault did not
Remote Fault occurred
RO/SC
0
occurred
23.0
Link Up Interrupt
Link Up did not occurred Link Up occurred
RO/SC
0
Register 24h - Extended Control Register
24.15:
FIFO Half
RMII FIFO half full bits ((n+3)*2 bit), RMII
RW
2
12
24.11:
9
Reserved
Reserved
RW
0
24.8
Deep Power down Deep power down(DPD) Deep power down(DPD)
RW
0
enable
disable
enable
24.7 Tpll10_100 DPD Enable Don't power down
Controlled auto power
RW
0
10/100 PLL in DPD
down10/100 PLL in DPD
mode
mode
24.6 RX 100 DPD Enable Don't power down RX Controlled auto power
RW
0
block in DPD mode
down of RX block in DPD
mode
24.5 Admix_TX DPD Enable Don't power down
Control auto power down
RW
0
admix_dac block in DPD of admix_dac block in
mode
DPD mode
24.4 Cdr100_cdr DPD Enable don't power down in DPD Control auto power down
RW
0
mod
of CDR block in DPD
mode
24.3:0
Reserved
Reserved
0
Register 25h - Extended Control Register
25.15:
11
Reserved
Analog control bits
RW
0
25.10
ADD_BIAS
Disable
Enable
RW
1
IDT™ / ICS™ 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 26
ICS1894-40 REV C 092909