User Guide

FIC CONFIDENTIAL AND PROPRIETARY
MB02 Functional Specifications Rev. 0.3 Page 64
FIC H/W
FIC CONFIDENTIAL AND PROPRIETARY 11-November-2002_
0 5 1 PCI_F0 Output Control. 1 = running, 0 = forced
LOW.
Bytes 4: DRCG Control Register (all bits are Read and Write functional)
Bits Pin# @Pup Description
7 0 SS2 Spread Spectrum Control Bit (0 = down spread,
1 = center spread)
6 0 Reserved. Set = 0.
5 33 1 3V66_0 Output Enabled. 1 = enabled, 0 = disable.
4 35 1 3V66_1/VCH Output Enable. 1 = enabled, 0 =
disabled.
3 24 1 3V66_5 Output Enable. 1 = enabled, 0 = disabled.
2 23 1 66B2/3V66_4 Output Enabled. 1 = enabled, 0 =
disabled.
1 22 1 66B2/3V66_3Output Enabled. 1 = enabled, 0 =
disabled.
0 21 1 66B2/3V66_2 Output Enabled. 1 = enabled, 0 =
disabled.
Bytes 5: Clock Control Register (all bits are Read and Write functional)
Bits Pin# @Pup Description
7 0 SS1 Spread Spectrum Control Bit.
6 1 SS0 Spread Spectrum Control Bit.
5 0 66IN to 66M delay Control MSB.
4 0 66IN to 66M delay Control LSB.
3 0 Reserved. Set = 0.
2 0 48MDOT Edge Rate Control. When set to 1, the
edge is slowed by 15%.
1 0 Reserved. Set = 0.
0 0 USB edge rate control. When set to 1, the edge is
slowed by 15%.
Bytes 6: Silicon Signature Register [4] (all bits are Read-only)
Bits Pin# @Pup Description
7 0
6 0
5 0
4 1
Revision = 0001
3 0
2 0
1 1
0 1
Vendor Code = 0011
Bytes 7: Reserved Register
Bits Pin# @Pup Description
7 0 Reserved. Set = 0.
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