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1 description, 2 pulse characteristics – Rainbow Electronics GE863-PY User Manual

Page 63

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GE863 Hardware User Guide

1vv0300783 Rev.0 - 10/06/08

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 63 of 80

10 PPS GPS Output (GE863-GPS only)

10.1 Description

The Time Mark output 1PPS

provides a one pulse-per-second signal to the user specific application.

The 1PPS pulse is available at any time as soon as a fix is done. This signal is a positive logic, CMOS
level output pulse that transitions from logic 'low' condition to logic 'high' at a 1 Hz rate.

10.2 Pulse Characteristics

The signal is available on BGA Ball # 75 on GE863-GPS and on pin 26 of PL104 on EVK2 Adapter
board (CS1151).

Type:

Output CMOS 2.8V

Duration:

Typically 1us

Pull up/ down:

Internal 100Kohm Pull down










NOTE: The signal is available only when the receiver provides a valid Navigation solution.