Novatel OM-20000077 사용자 설명서
Technical Specifications
Appendix A
SUPERSTAR II User Manual Rev 3
47
A.2.2
Connector Pin Assignment
Table 7 shows the Interface and Power connector J1 pin assignment.
Table 7: J1 Interfaces and Power Connector Pin Assignment
J1 PIN #
SIGNAL NAME
FUNCTION
1
PREAMP
Power for active antenna (40 mA max)
2
VCC
Primary power (3.3V or 5.0V -0.5 V/+0.25 V)
3
VBATT
Back-up battery for real-time clock device
(external series diode required)
(external series diode required)
4
RX_NO_3/DISC_IO_3
Serial port Rx #3/ Programmable discrete I/O pin
(expansion pin for special applications)
(expansion pin for special applications)
5
MASTER_RESET
Reset input pin (active low)
6
DISC_IP_1
Reprogramming control input pin (active high)
7
DISC_IP_2
Protocol select pin (see Section 3.5 on Page 24)
8
DISC_IP_3
NVM control pin (see Section 3.5 on Page 24)
9
DISC_IO_1
Programmable discrete I/O pin (expansion pin
for special applications)
for special applications)
10
GND
Ground
11
TX_NO_1
Serial port Tx #1
12
RX_NO_1
Serial port Rx #1
13
GND
Ground
14
TX_NO_2
Serial port Tx #2
15
RX_NO_2
Serial port Rx #2
16
GND
Ground
17
DISC_IO_2
Programmable discrete I/O pin (expansion pin
for special applications)
for special applications)
18
GND
Ground
19
TIMEMARK
1PPS output
20
TX_NO_3
Serial port Tx #3