20 precise timing protocol (ptp) interface, Table 22 – Marvel Group Integrated Controller 88F6281 User Manual
Page 47

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
).
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.