Novatel SUPERSTAR II OM-20000077 Benutzerhandbuch
48
SUPERSTAR II User Manual Rev 3
Appendix A
Technical Specifications
A.2.3
I/O Electrical Characteristics
Table 8 shows the voltage level limits for the different I/O signals:
Table 8: I/O Signals Voltage Limits
1. A LO pulse of 150 ns minimum will invoke a master reset to the receiver.
2. Conditions: 5 V
± 0.25 V (for all limits)
SIGNAL NAME
TYPE
Input low
max (V)
Input high
min (V)
Output low
max (V)
Output high
min (V)
MASTER_RESET
1
I
0.50
2.00
Disc_IP_1, Disc_IP_2,
Disc_IP_3, Rx_No_1,
Rx_No_2
Disc_IP_3, Rx_No_1,
Rx_No_2
I
0.8
2.5
DISC_IO_1, DISC_IO_2
I/O
0.8
2.5
0.4
3.0
Io
≤200uA
TX_NO_1, TX_NO_2
O
0.4
3
Io
≤200uA
RX_NO_3/DISC_IO_3
I/O
0.8
2.0
0.4
3.7
Io
≤200uA
TIMEMARK, TX_NO_3
O
0.4
3.7
Io
≤200uA