ICS1890Y ICST [Integrated Circuit Systems], ICS1890Y Datasheet - Page 29

• Manufacturer Part Number: ICS1890Y
• Description: 10Base-T/100Base-TX Integrated PHYceiver-TM
• Manufacturer: ICST [Integrated Circuit Systems]

Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Command Register Override
Reserved for ICS
Reserved for ICS
Reserved for ICS
Reserved for ICS
PHY address bit 4
PHY address bit 3
PHY address bit 2
PHY address bit 1
PHY address bit 0
Stream Cipher Scrambler Test Mode
Reserved for ICS
NRZ/NRZ1 Encoding
Invalid Error Code Test
Reserved for ICS
Stream Cipher Disable
Definition
don’t allow writes to CW
bits
Read unspecified
Read unspecified
Read unspecified
Read unspecified
A
MII Management’s
Register Address code
0 - 31 Read Only
Read unspecified
normal
Read unspecified
NRZ
disabled
Read unspecified
enabled
When bit=0
allow next write to effect
both RW & CW bits
test mode
NRZ1
enabled
disabled
When bit=1
Access
RW /0
RW /0
RW /0
RW /0
RW /0
RW /0
RW
/SC
RW
RW
RW
RW
RO
RO
RO
RO
RO
Default
P4RD
P3TD
P0AC
P1CL
P2LI
0
0
1
0
0
-
-
-
-
-
-
Hex