Marvel 88F6281 User Manual
88F6281
Hardware Specifications
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
Assignments
Table 9:
Serial Management Interface (SMI) Pin Assignments
P i n N a m e
I / O
P i n
Ty p e
Ty p e
P o w e r
R a i l
R a i l
D e s c r i p t i o n
GE_MDC
t/s
O
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.
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
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.
Used to transfer control and status information between PHY
devices and the GbE controller.
NOTE: An external pullup is required.