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GFK-2059 Chapter 2 Configuration and Installation 2-9
2
Program Controlled and External Start Convert Mode
The PROGRAM CONTROLLED START CONVERT MODE is enabled by inserting jumper JD.
This mode is detailed in “Program Control Update Mode” on page 4-4 and “Delayed DAC Update
Mode” on page 3-6. With no jumper installed at JD, the board operates in the IMMEDIATE DAC
UPDATE MODE as described in “Immediate DAC Update Mode” on page 4-3 and “Immediate
DAC Update Mode” on page 3-3.
Installing jumper JE enables the EXTERNAL START CONVERT MODE. Jumper JD must also
be installed (refer to “External Trigger Update Mode” on page 4-4). The external trigger is buffered
in through the P2 connector pin A25 with an associated digital ground wire at pin A26. The
locations of jumpers JD and JE are shown in Figure 2-2 on page 2-6.