88F6281
Hardware Specifications
Doc. No. MV-S104859-U0 Rev. E
Copyright © 2008 Marvell
Page 32
Document Classification: Proprietary Information
December 2, 2008, Preliminary
1.2.7
Serial Management Interface (SMI) Interface Pin
Assignments
Table 9:
Serial Management Interface (SMI) Pin Assignments
P i n N a m e
I / O
P i n
Ty p e
P o w e r
R a i l
D e s c r i p t i o n
GE_MDC
t/s
O
CMOS/
VDD_GE_A
Management Data Clock
MDC is derived from TCLK divided by 128.
Provides the timing reference for the transfer of the MDIO signal.
GE_MDIO
t/s
I/O
CMOS
VDD_GE_A
Management Data In/Out
Used to transfer control and status information between PHY
devices and the GbE controller.
NOTE: An external pullup is required.
Summary of Contents for Integrated Controller 88F6281
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