1894K-40LF IDT, 1894K-40LF Datasheet - Page 27

• Manufacturer Part Number: 1894K-40LF
• Description: Ethernet ICs 3.3V 10/100 PHY RMII
• Manufacturer: IDT

Specifications of 1894K-40LF

• Rohs: yes
• Part # Aliases: ICS1894K-40LF

IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
Register
24.15:12
24.11:9
ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
24.3:0
23.3
23.2
23.1
23.0
24.8
24.7
24.6
24.5
24.4
Bit
24 - Extended Control Register
Cdr100_cdr DPD Enable don't power down in DPD
Tpll10_100 DPD Enable
Admix_TX DPD Enable
Remote Fault Interrupt
Acknowledge Interrupt
RX 100 DPD Enable
Link Down Interrupt
Deep Power down
Link Up Interrupt
Link Partner
Definition
FIFO Half
Reserved
Reserved
enable
Link Partner
Acknowledge did not
occur
Link Down did not occur
Remote Fault did not
occur
Link Up did not occur
RMII FIFO half full bits ((n+3)*2 bit), RMII
Reserved
Deep power down(DPD)
disable
Don't power down
10/100 PLL in DPD
mode
Don't power down RX
block in DPD mode
Don't power down
admix_dac block in DPD
mode
mod
Reserved
When Bit = 0
Link Partner Acknowledge
occurred
Link Down occurred
Remote Fault occurred
Link Up occurred
Deep power down(DPD)
enable
Controlled auto power
down10/100 PLL in DPD
mode
Controlled auto power
down of RX block in DPD
mode
Control auto power down
of admix_dac block in
DPD mode
Control auto power down
of CDR block in DPD
mode
Reserved
When Bit = 1
27
Access
RO/SC
RO/SC
RO/SC
RO/SC
RW
RW
RW
RW
RW
RW
RW
2
SF
ICS1894-40
2
Default
0
0
0
0
2
0
0
0
0
0
0
0
PHYCEIVER
3
REV K 022412
Hex
0
2
0
0
0