design without the need for costly connectors. The module ... Logic level timing signal at 1 Hz. Do not connect if not used. 20 ... mounted on a carrier board [P/N 63531-00] or .... minimal system implementations, these provide all the information ..... Note: See the Copernicus II GPS Receiver Reference Manual for RF Layout.
COPERNICUS II GPS RECEIVER MODULE TECHNICAL HIGHLIGHTS
GENERAL OVERVIEW Trimble’s Copernicus II GPS receiver module provides the sensitivity and speed demanded by poor signal conditions. With its small size and low power requirements, it is perfect for portable, handheld, battery-powered applications, as well as vehicle tracking, navigation, and security uses.
Receiver: GPS L1 frequency (1575.42 MHz), C/A code, 12-channel continuous tracking –160 dBm tracking sensitivity 132 mW typical continuous tracking Fast TTFF (cold start 38 sec) NMEA, TSIP and TAIP protocols 2 serial ports On-board low noise amplifier Use with passive or active antennas OPEN and SHORT pins for external antenna circuit protection
The Copernicus II receiver features powerful positioning performance in a 19.0 mm x 19.0 mm x 2.54 mm package. The module’s 28 reflow-solderable surface-mount edge castellations provide an interface for your design without the need for costly connectors. The module provides an L1 Frequency GPS receiver, with TSIP and NMEA protocols from two serial ports. The TAIP protocol is also supported. The module includes an onboard RTC and TCXO, and provides a PPS timing output.
Pin 1 location
Copernicus II
The Copernicus II has an onboard low noise amplifier (LNA) that is compatible with both active and passive antenna implementations. It has pins for external antenna detection for open and short circuit conditions. The Copernicus II [P/N 63530-00] is available mounted on a carrier board [P/N 63531-00] or in a complete starter kit for quick testing and integration [P/N 63532-05].
PIN OUT TABLE PIN#
FUNCTION I/O
DESCRIPTION
1-2
GND
Ground.
3
RF_IN
aGPS capable
4
GND
5
LNA_XEN
Output
LNA External Enable, used with active antennas only.
Update rate of 1 Hz
6
VBAT
Input
Optional backup power 2.7 V to 3.3 V.
7
OPEN
Input
Logic level from external antenna detection circuit.
8
SHORT
Input/Output
Logic level from (and to) external antenna detection circuit.
28 surface mount castellations
9–10
Reserved
11
XRESET
Input
Active low logic level reset. Do not connect if not used.
Available mounted on a carrier board or in a starter kit
12
VCC
Power
Module power supply 2.7 V to 3.3 V.
13-15
GND
16
XSTANDBY
17–18
Reserved
19
PPS
Output
Logic level timing signal at 1 Hz. Do not connect if not used.
20
RXD-B
Input
Logic level secondary serial port receive.
21
RXD-A
Input
Logic level primary serial port receive. Pull high if not used.
22
Reserved
23
TXD-A
Output
Logic level primary serial port transmit.
24
TXD-B
Ouput
Logic level secondary serial port transmit.
25–26
Reserved
Do not connect.
27–28
GND
Ground.
Supports SBAS (WAAS, EGNOS, MSAS)
PPS timing output
1 2 3 4 5 6 7 8 9 10 11 12 13 14
GND GND GND GND RF_IN Reserved GND Reserved LNA_XEN TXD-B VBAT Copernicus TXD-A OPEN Reserved II SHORT RXD-A Reserved RXD-B Reserved PPS XRESET Reserved VCC Reserved GND XSTANDBY GND GND
Pin Out Diagram
28 27 26 25 24 23 22 21 20 19 18 17 16 15
Input
GPS signal input 50 Ω unbalanced (coaxial) RF input. Ground.
Do not connect.
Ground. Input
Selects "Run" or "Standby" mode. Connect to VCC if not used. Do not connect.
Do not connect.
CoperniCus ii Gps reCeiVer MoDuLe
technical notes
GPS PERFORMANCE SPECIFICATIONS
GPS COMMUNICATION PARAMETERS
GPS performance statistics are clear view, stationary. Sensitivity based on signals measured at the antenna.
GPS output is available from two serial interfaces (UART). The output adheres to the TSIP and NMEA 0183 protocols (for ports A and B respectively) by default.
PARAMETER
VALUE(S)
Update Rate
1 Hz
Number of Channels
12
• Trimble's powerful TSIP protocol (Trimble Standard Interface Protocol) provides detailed satellite information and offers complete control over receiver operation.
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