VSC8601 Datasheet
Design Considerations
PhyWrite (PortNo, 16, 0x87b4); // Necessary write of internal register
PhyWrite (PortNo, 16, 0xa794); // Necessary write of internal register
reg = PhyRead (PortNo, 18); // Read internal reg. and assign it to var.
PhyWrite (PortNo, 18, reg); // Necessary write of internal register
reg = PhyRead (PortNo, 17); // Read internal reg. and assign it to var.
reg = (reg & ~0x003f) | 0x003e;// Modify variable value
PhyWrite (PortNo, 17, reg); // Write back modified internal register
PhyWrite (PortNo, 16, 0x8794); // Necessary write of internal register
PhyWrite (PortNo, 18, 0xf7); // Necessary write of internal register
PhyWrite (PortNo, 17, 0xbe36); // Necessary write of internal register
PhyWrite (PortNo, 16, 0x879e); // Necessary write of internal register
PhyWrite (PortNo, 16, 0xa7a0); // Necessary write of internal register
reg = PhyRead (PortNo, 18); // Read internal reg. and assign it to var.
PhyWrite (PortNo, 18, reg); // Necessary write of internal register
reg = PhyRead (PortNo, 17); // Read internal reg. and assign it to var.
reg = (reg & ~0x003f) | 0x0034;// Modify variable value
PhyWrite (PortNo, 17, reg); // Write back modified internal register
PhyWrite (PortNo, 16, 0x87a0); // Necessary write of internal register
PhyWrite (PortNo, 18, 0x3c); // Necessary write of internal register
PhyWrite (PortNo, 17, 0xf3cf); // Necessary write of internal register
PhyWrite (PortNo, 16, 0x87a2); // Necessary write of internal register
PhyWrite (PortNo, 18, 0x3c); // Necessary write of internal register
PhyWrite (PortNo, 17, 0xf3cf); // Necessary write of internal register
PhyWrite (PortNo, 16, 0x87a4); // Necessary write of internal register
PhyWrite (PortNo, 18, 0x3c); // Necessary write of internal register
PhyWrite (PortNo, 17, 0xd287); // Necessary write of internal register
PhyWrite (PortNo, 16, 0x87a6); // Necessary write of internal register
PhyWrite (PortNo, 16, 0xa7a8); // Necessary write of internal register
reg = PhyRead (PortNo, 18); // Read internal reg. and assign it to var.
PhyWrite (PortNo, 18, reg); // Necessary write of internal register
reg = PhyRead (PortNo, 17); // Read internal reg. and assign it to var.
reg = (reg & ~0x0fff) | 0x0125;// Modify variable value
PhyWrite (PortNo, 17, reg); // Write back modified internal register
PhyWrite (PortNo, 16, 0x87a8); // Necessary write of internal register
PhyWrite (PortNo, 31, 0); // Select main register page
Revision 4.1
September 2009
Page 98
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
