ds3104 Maxim Integrated Products, Inc., ds3104 Datasheet - Page 62

• Manufacturer Part Number: ds3104
• Description: Ds3104 Line Card Timing Ic With Synchronous Ethernet Support
• Manufacturer: Maxim Integrated Products, Inc.

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 4: Third Highest Priority Valid Reference (REF3[3:0]). This real-time status field indicates the third
highest priority validated input reference. When T4T0 = 0 in the
highest priority reference for the T0 DPLL. When T4T0 = 1, it indicates the third highest reference for the T4 DPLL.
Note that an input reference cannot be indicated in this field if it has been marked invalid in the
VALCR2
Bits 3 to 0: Second Highest Priority Valid Reference (REF2[3:0]). This real-time status field indicates the
second highest priority validated input reference. When T4T0 = 0 in the
second highest priority reference for the T0 DPLL. When T4T0 = 1, it indicates the second highest reference for the
T4 DPLL. Note that an input reference cannot be indicated in this field if it has been marked invalid in the
or
Rev: 012108
________________________________________________________________________________________ DS3104-SE
VALCR2
0000 = Less than three valid sources available
0001 = Input IC1
0010 = Input IC2
0011 = Input IC3
0100 = Input IC4
0101 = Input IC5
0110 = Input IC6
0111 = {unused value}
1000 = Input IC8
1001 = Input IC9
1010–1111 = {unused values}
0000 = Less than two valid sources available
0001 = Input IC1
0010 = Input IC2
0011 = Input IC3
0100 = Input IC4
0101 = Input IC5
0110 = Input IC6
0111 = {unused value}
1000 = Input IC8
1001 = Input IC9
1010–1111 = {unused values}
register. See Section 7.6.2.
register. See Section 7.6.2.
7
0
6
0
PTAB2
Priority Table Register 2
0Bh
REF3[3:0]
5
0
4
0
MCR11
3
0
MCR11
register, this field indicates the third
2
0
register, this field indicates the
REF2[3:0]
1
0
VALCR1
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VALCR1
0
0
or