ICS1893BF Data Sheet - Release
Chapter 7 Management Register Set
Table 7-9. PHY Identifier Register (Register 3 [0x03])
Bit
Definition
When Bit = 0 When Bit = 1 Access
Special
Default Hex
Function
3.11
OUI bit 23 | w
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
–
–
–
–
–
–
–
–
–
–
–
–
0
1
0
0
0
1
0
0
0
0
1
0
4
4
2
3.10 OUI bit 24 | x
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.0
Manufacturer’s Model Number bit 5
Manufacturer’s Model Number bit 4
Manufacturer’s Model Number bit 3
Manufacturer’s Model Number bit 2
Manufacturer’s Model Number bit 1
Manufacturer’s Model Number bit 0
Revision Number bit 3
Revision Number bit 2
Revision Number bit 1
Revision Number bit 0
7.5.1 OUI bits 19-24 (bits 3.15:10)
The most-significant 6 bits of register 3 (that is, bits 3.15:10) include OUI bits 19 through 24. OUI bit 19 is
stored in bit 3.15, while OUI bit 24 is stored in bit 3.10.
7.5.2 Manufacturer's Model Number (bits 3.9:4)
The model number for the ICS1893BF is 4 (decimal). It is stored in bit 3.9:4 as 00100b.
7.5.3 Revision Number (bits 3.3:0)
Table 7-10 lists the valid ICS1893BF revision numbers, which are 4-bit binary numbers stored in bits 3.3:0.
Table 7-10. ICS1893BF Revision Number
Decimal
Bits 3.3:0
Description
IDT 1893B Release with Auto-MDIX
2
0010
ICS1893BF, Rev. E, 8/11/09
August, 2009
Copyright © 2009, IDT, Inc.
All rights reserved.
64
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