REFERENCE MANUAL - FTP Directory Listing - Trimble
REFERENCE MANUAL - FTP Directory Listing - Trimble
REFERENCE MANUAL - FTP Directory Listing - Trimble
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COPERNICUS <strong>REFERENCE</strong> BOARD 10<br />
Reference Board Schematic (page 1 of 3)<br />
Vant<br />
Minimum length 50 ohm trace<br />
MONITOR<br />
BOOT<br />
XRESET<br />
MTG1 MTG2 MTG3 MTG4<br />
C1<br />
18pF<br />
L1<br />
100nH<br />
C4*<br />
18pF<br />
U1<br />
1<br />
15<br />
GND1<br />
GND26<br />
2<br />
27<br />
3<br />
GND3<br />
GND27<br />
6<br />
GPIO_B5<br />
4<br />
RF_IN<br />
GPIO_B5<br />
26<br />
GPIO_A6<br />
19<br />
GND5<br />
GPIO_A6<br />
25<br />
PPS<br />
PPS<br />
GPIO_A4<br />
5<br />
GPIO_A4<br />
16<br />
LNA_XEN LNA_XEN XSTANDBY<br />
XSTANDBY<br />
GPIO_A10<br />
18<br />
20<br />
GPIO_A10<br />
GPIO_A11<br />
17<br />
RXD_B<br />
GPIO_A11<br />
OPN<br />
7<br />
VCC 12<br />
24<br />
9<br />
OPEN<br />
TXD_B<br />
22<br />
MONITOR<br />
GPIO_A5<br />
8<br />
GPIO_A5<br />
23<br />
SHRT<br />
SHORT<br />
TXD_A<br />
10<br />
21<br />
11<br />
BOOT<br />
RXD_A<br />
13<br />
14<br />
XRESET<br />
GND24<br />
28<br />
GND25<br />
GND28<br />
Copernicus<br />
NOTE: 24 jumpers are required to be included<br />
on the BOM and in the Assembly Drawing.<br />
*C1 and C4 are impedance matching components,<br />
values depend on the PBC layout.<br />
Copernicus RF_IN is internally DC-decoupled.<br />
1: TXDB 2: 3.3V<br />
3: TXDA 4: Vback<br />
5: RXDA 6: PPS<br />
7: RXDB 8: GND<br />
J7<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
8 pin 2mm<br />
PPS<br />
PPS<br />
2<br />
J8<br />
VLED<br />
1<br />
J5<br />
VCC<br />
J6<br />
Vback<br />
Vmain<br />
1 2<br />
1 2<br />
C3*<br />
J1<br />
1pF<br />
RF MCX<br />
U2<br />
BAT54C<br />
1<br />
3<br />
2<br />
1<br />
C2<br />
0.1µF<br />
J4<br />
1 2<br />
XRESET<br />
5<br />
2<br />
3<br />
4<br />
Note – Reference board schematics may differ from the recommendations outlined in<br />
Table 3.1 due to the test mode requirements for <strong>Trimble</strong>’s internal use.<br />
Copernicus GPS Receiver 99
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