Oem617D Strobes; Oem617D Strobe Electrical Specification - Novatel OEM6 Series User Manual

Default
Strobes
Behavior
Event1 Multiplexed
(Mark 1) pin
Event2 Multiplexed
(Mark 2) pin
PV (Position Dedicated
Valid) pin
VARF Multiplexed
(Variable pin
Frequency)
RESETIN Dedicated
pin
PPS Dedicated
pin
a. The commands and logs shown in capital letters (for example, MARKCONTROL) are discussed in further
detail in the OEM6 Family Firmware Reference Manual
Strobe
Event1 (Mark 1)
Event2 (Mark2)
PPS
PV
VARF
RESETIN
OEM6 Family Installation and Operation User Manual Rev 7
Table 18: OEM617D Strobes
Input/ Factory
Output Default
Input Active An input mark for which a pulse greater than 150 ns triggers certain
Leading low logs to be generated. (Refer to the MARKPOS and MARKTIME
edge logs and ONMARK trigger.) Polarity is configurable using the
triggered
MARKCONTROL
resistors to 3.3 V
Input Active An input mark for which a pulse greater than 150 ns triggers certain
Leading low logs to be generated (see the MARK2POS and MARK2TIME logs).
edge
Polarity is configurable using the
triggered
mark inputs have 10K pull-up resistors to 3.3 V
Output Active Indicates a valid GNSS position solution is available. A high level
high
indicates a valid solution or that the
has been set (refer to the
3.3 V
Output Active A programmable variable frequency output ranging from
low
0 -5 MHz (refer to the
Input Active
Reset LVTTL signal input from external system; active low, > 20 µs
low
duration
Output Active A time synchronization output. This is a pulse where the leading
low edge is synchronized to receiver-calculated GNSS Time. The
polarity, period and pulse width can be configured using
PPSCONTROL
Table 19: OEM617D Strobe Electrical Specification
Min
Sym
(V)
V
IL
V 2.0
IH
V
OL
V 3.0
OH
V
IL
V 2.0
IH
Comment
command. The mark inputs have 10K pull-up
MARKCONTROL
FIX POSITION
FREQUENCYOUT
command
(OM-20000129).
Typ Max Current
(V) (V) (mA)
0.8
0.4 24
24
0.8
a
command. The
FIX POSITION
command
command). VDD is
command)
Conditions
VCC = 3.3 V; 85C
VCC = 3.3 V; 85C
VCC = 3.3 V; 85C
VCC = 3.3 V; 85C
VCC = 3.3 V; 85C
VCC = 3.3 V; 85C
117