ICS1894-40 Datasheet, PDF (21/52 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
8.7
Message code field
Bit value depends on the Bit value depends on the
/Unformatted code field particular message
particular message
8.6
Message code field
Bit value depends on the Bit value depends on the
/Unformatted code field particular message
particular message
8.5
Message code field
Bit value depends on the Bit value depends on the
/Unformatted code field particular message
particular message
8.4
Message code field
Bit value depends on the Bit value depends on the
/Unformatted code field particular message
particular message
8.3
Message code field
Bit value depends on the Bit value depends on the
/Unformatted code field particular message
particular message
8.2
Message code field
Bit value depends on the Bit value depends on the
/Unformatted code field particular message
particular message
8.1
Message code field
Bit value depends on the Bit value depends on the
/Unformatted code field particular message
particular message
8.0
Message code field
Bit value depends on the Bit value depends on the
/Unformatted code field particular message
particular message
Register 9 through 15h - Reserved by IEEE
Ac-
cess
RO
SF De- Hex
fault
–
0
0
RO
–
0
RO
–
0
RO
–
0
RO
–
0
0
RO
–
0
RO
–
0
RO
–
0
Register 16h - Extended Control Register
16.15 Command Override
Write enable
Disabled
16.14 ICS reserved
Read unspecified
16.13 ICS reserved
Read unspecified
16.12 ICS reserved
Read unspecified
16.11 ICS reserved
Read unspecified
16.10 PHY Address Bit 4
16.9 PHY Address Bit 3
16.8 PHY Address Bit 2
16.7 PHY Address Bit 1
16.6 PHY Address Bit 0
16.5 Stream Cipher Test
Mode
16.4 ICS reserved
.
Normal operation
Read unspecified
Enabled
Read unspecified
Read unspecified
Read unspecified
Read unspecified
Test mode
Read unspecified
RW SC 0
–
RW/0
RW/0
RW/0
RW/0
RO
–
0
–
0
–
0
–
0
–
– P4R
D†
RO
– P3TD
†
RO
– P2LI†
RO
– P1CL –
†
RO
– P0AC
†
RW
–
0
RW/0 –
–
IDT™ / ICS™ 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 21
ICS1894-40 REV C 092909