12048321 Rev. 01 (Draft)
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4.28. GBE0,1 Precision Time Protocol Extension Connector
Reference Designator:
– J58
1.25mm Pitch Molex PicoBlade wire-to-board header, SMT, straight, 4 circuits
Description
IEEE 1588 trigger signal for hardware implementation of PTP (Precision Time Protocol)
Interfaces used
GBE0,1_SDP signal of SMARC module
Power V_3V3_GBE; Imax = 10mA
Connector drawing and contact-numbering scheme
Figure 37 Connector
– J58
Pinout
J58
Pin
Signal / Function
Pin Type
Signal Description
1
V_3V3_GBE
GND
3.3V attached device power supply
2
GBE0_SDP
IO (CMOS 3.3V)
GBE0 IEEE 1588 trigger signal for hardware
implementation of PTP (Precision Time Protocol)
3
GBE1_SDP
IO (CMOS 3.3V)
GBE1 IEEE 1588 trigger signal for hardware
implementation of PTP (Precision Time Protocol)
4
GND
GND
Connected to ground potential of the PCB