20 precise timing protocol (ptp) interface, Table 22 – Marvel Group Integrated Controller 88F6281 User Manual

Page 47

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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.

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