Evaluation board layout

Applicable receivers:   BD1090 | BD1092 | BD1092i

Current or prospective customers can obtain schematic drawings of the evaluation I/O board by contacting GNSSOEMSupport@trimble.com.

1

Ethernet

10

Power switch

2

Type-C USB port device

11

10-pin SAMTEC (P/N CLP-105-02-L-D-BE-A-K-TR)

3

D-Sub9 RS-232 COM 1

12

44-pin SAMTEC (P/N SQW-122-01-L-D)

4

Power input

13

BD109x board location

5

Type-B USB VCP COM 2

14

14-pin SAMTEC (P/N CLP-107-02-L-D-BE-A-K-TR)

6

D-Sub9 RS-232 COM 3

15

External 10 MHz clock SMA connector

7

D-Sub9 RS-232 CAN

16

Toggle "ON" external 10 MHz clock

8

CAN/RS-232 COM 3 switch

17

Ethernet 2

9

Reset button

 

 

The functionality to use an external 10 MHz clock (rather than the internal 10 MHz TCXO) requires that this clock is connected to the SMA connector (15) and that switch (16) is toggled “ON”, then the unit should be powered up. If switch (16) is toggled “ON” with no external 10 MHz clock to SMA connector (15), the CPU will not boot because no clock input is present.