Table 3-4 Pin Functionality; Table 3-5 Signals Available On The Test Points - Navman LA000507 Manual

Pins
JB1/2
JB3/4
JB5/6
JB10/11 5 V supplied to Pin 1 of the DR connector
JB11/12
JB13/14 not used
JB14/15 not used
JB16/17 Internal interface enable (normally fitted)
In addition to the configurable jumpers, there is a selection of test points on the board. The
signals available on the test points are shown in Table 3-5.

Table 3-5 Signals available on the test points

There are some settings that should not be changed when using the standard Jupiter 20 module
in conjunction with the Development Unit. These are as follows:
• SW2 must remain selected on 3.3 VDC
• Link for JB3/4 must be fitted
• Link for JB16/17 must be fitted
• SW3 DIP switch must be all off except SW3.3
LA000510C © 2006 Navman NZ Ltd. All rights reserved. Proprietary information and specifications subject to change without notice.
Function when linked
Current link for 5 V supply. Can be used to
determine current on 5 V rail. Not used for the
Jupiter 20 module.
Current link for the primary power 3.3 V
supply. Can be used to determine supply
current for 3.3 V rail.
Current link for the secondary power RTC
supply. Can be used to determine supply
current for RTC rail.
3.3 V supplied to Pin 1 of the DR connector

Table 3-4 Pin functionality

Test point
E1
E2
E3
E4
E6
E7
E8
E9
Function
TXA
RXA
TXB
RXB
1PPS
not used
ground
ground
10