Locosys MC-1612 Hardware Design Manual page 7

2.6 1PPS
1PPS signal is an output pulse signal used for timing application, its electronic characteristic are
list below:
1PPS signal and its pulse width with 100ms duration
Low Voltage level: 0~0.4V
High Voltage level: 2.8~3.1V
Duration: 100ms (Firmware customization for duration is available)
Period: 1s
LOCOSYS provides following 1pps signal output mode for customer selections
Standard GPS module will output the 1pps after the module is 3D_FIX.
Free run 1PPS output after 3D_FIX
GPS module will output the 1pps after the module is 2D_FIX.
A customize firmware also could set the 1PPS plus out as soon as power-on disregard to
3D_Fix or not.
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LOCOSYS Technology Inc.
20F.-13, No.79, Sec. 1, Xintai 5th Rd.,
Xizhi Dist., New Taipei City 221, Taiwan
886-2-8698-3698
886-2-8698-3699
www.locosystech.com
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