1894K-40LF IDT, 1894K-40LF Datasheet - Page 22

• 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
8.3
8.2
8.1
8.0
Register
Register
16.15
16.14
16.13
16.12
16.11
16.10
16.9
16.8
16.7
16.6
16.5
16.4
16.3
16.2
16.1
16.0
Register
17.15
17.14
17.13
17.12
ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
Bit
9 through 15
16 - Extended Control Register
17 - Quick Poll Detailed Status Register
Message code field
/Unformatted code field
Message code field
/Unformatted code field
Message code field
/Unformatted code field
Message code field
/Unformatted code field
Command Override
Write enable
ICS reserved
ICS reserved
ICS reserved
ICS reserved
PHY Address Bit 4
PHY Address Bit 3
PHY Address Bit 2
PHY Address Bit 1
PHY Address Bit 0
Stream Cipher Test
Mode
ICS reserved
NRZ/NRZI encoding
Transmit invalid codes
ICS reserved
Stream Cipher disable
Data rate
Duplex
Auto-Negotiation
Progress Monitor Bit 2
Auto-Negotiation
Progress Monitor Bit 1
Definition
-
Reserved by IEEE
Bit value depends on the
particular message
Bit value depends on the
particular message
Bit value depends on the
particular message
Bit value depends on the
particular message
Disabled
Reserved
Reserved
Reserved
Reserved
Normal operation
Read unspecified
NRZ encoding
Disabled
Read unspecified
Stream Cipher enabled
10 Mbps
Half duplex
Reference Decode Table Reference Decode Table
Reference Decode Table Reference Decode Table
When Bit = 0
Bit value depends on the
particular message
Bit value depends on the
particular message
Bit value depends on the
particular message
Bit value depends on the
particular message
Enabled
Reserved
Reserved
Reserved
Reserved
Test mode
Read unspecified
NRZI encoding
Enabled
Read unspecified
Stream Cipher disabled
100 Mbps
Full duplex
When Bit = 1
22
Access
RW/0
RW/0
RW/0
RW/0
RW/0
RW/0
RW
RW
RW
RW
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
2
SF
SC
LM
LM
X
X
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ICS1894-40
2
Default
0
0
0
0
0
0
0
0
0
1
L
L
L
L
0
–
1
0
0
0
–
–
0
0
PHYCEIVER
3
REV K 022412
Hex
0
–
–
–
8
–