Datasheet

ADSP-21479 EZ-Board Evaluation System Manual 2-15
ADSP-21479 EZ-Board Hardware Reference
the differential setting. See Table 2-13. For more information, see “Dif-
ferential In/Out Connectors (P8–9)” on page 2-28.
Audio In2 Right Selection Switch (SW17)
The audio selection switch (SW17) connects the right channel of the In2
line, connected to the AD1939’s ADC4 circuit, to either the single-ended
RCA connectors or the differential DB25 connector. By default, the
switch is set up to use the RCA connectors for audio in. To use the stan-
dard, off the shelf DB25 connector to XLR cables, change the switch to
the differential setting. See Table 2-14. For more information, see “Dif-
ferential In/Out Connectors (P8–9)” on page 2-28.
Table 2-13. Audio In1 Right Selection Switch (SW16)
SW16 Position Single-Ended RCA IN (Default) Differential DB25 IN (P8)
SW16.1 ON OFF
SW16.2 OFF ON
SW16.3 ON OFF
SW16.4 OFF ON
SW16.5 ON OFF
SW16.6 OFF ON
Table 2-14. Audio In2 Right Selection Switch (SW17)
SW17 Position Single Ended Use RCA IN (Default) Differential DB25 IN (P8)
SW17.1 ON OFF
SW17.2 OFF ON
SW17.3 ON OFF
SW17.4 OFF ON
SW17.5 ON OFF
SW17.6 OFF ON