Pin and Signal Descriptions
Pin Descriptions
Copyright © 2008 Marvell
Doc. No. MV-S104859-U0 Rev. E
December 2, 2008, Preliminary
Document Classification: Proprietary Information
Page 47
1.2.20
Precise Timing Protocol (PTP) Interface
Note
All of the PTP signals are multiplexed on the MPP pins (see
Section 4, Pin Multiplexing,
on page 51
).
Table 22: Precise Timing Protocol (PTP) Interface Signal Assignment
Pin Name
I/O
Pin Type
Power Rail
Description
PTP_CLK
I
CMOS
VDDO
PTP Clock
PTP_EVENT_REQ
I
CMOS
VDDO
Trigger generation to the PTP core.
PTP_TRIG_GEN
O
CMOS
VDDO
Trigger generated by the PTP core.
Содержание Integrated Controller 88F6281
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