ICS1894-32 Datasheet, PDF (22/53 Pages) Integrated Device Technology – 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE

ICS1894-32
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
PHYCEIVER
Bit
Definition
When Bit = 0
When Bit = 1
Access ² SF² Default³ Hex
8.3
Message code field
Bit value depends on the Bit value depends on the
RO
–
0
0
/Unformatted code field particular message
particular message
8.2
Message code field
Bit value depends on the Bit value depends on the
RO
–
0
/Unformatted code field particular message
particular message
8.1
Message code field
Bit value depends on the Bit value depends on the
RO
–
0
/Unformatted code field particular message
particular message
8.0
Message code field
Bit value depends on the Bit value depends on the
RO
–
0
/Unformatted code field particular message
particular message
Register 9 through 15h - Reserved by IEEE
Register 16h - Extended Control Register
16.15
Command Override
Write enable
Disabled
Enabled
RW SC
0
–
16.14
ICS reserved
Read unspecified
Read unspecified
RW/0 –
0
16.13
ICS reserved
Read unspecified
Read unspecified
RW/0 –
0
16.12
ICS reserved
Read unspecified
Read unspecified
RW/0 –
0
16.11
ICS reserved
Read unspecified
Read unspecified
RW/0 –
0
–
16.10
PHY Address Bit 4
RO
–
0
16.9
PHY Address Bit 3
RO
–
0
16.8
PHY Address Bit 2
RO
–
L
16.7
PHY Address Bit 1
RO
–
L
–
16.6
PHY Address Bit 0
RO
–
L
16.5
Stream Cipher Test
Mode
Normal operation
Test mode
RW
–
0
16.4
ICS reserved
Read unspecified
Read unspecified
RW/0 –
–
16.3
NRZ/NRZI encoding
NRZ encoding
NRZI encoding
RW
–
1
8
16.2
Transmit invalid codes Disabled
Enabled
RW
–
0
16.1
ICS reserved
Read unspecified
Read unspecified
RW/0 –
0
16.0
Stream Cipher disable Stream Cipher enabled Stream Cipher disabled
RW
–
0
Register 17h - Quick Poll Detailed Status Register
17.15
Data rate
10 Mbps
100 Mbps
RO
–
–
–
17.14
Duplex
Half duplex
Full duplex
RO
–
–
17.13
Auto-Negotiation
Reference Decode Table Reference Decode Table
RO LM
0
Progress Monitor Bit 2
X
17.12
Auto-Negotiation
Reference Decode Table Reference Decode Table
RO LM
0
Progress Monitor Bit 1
X
IDT™ / ICS™ 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 22
ICS1894-32 REV F 110209