Datasheet

ADSP-21489 EZ-Board Evaluation System Manual 2-15
ADSP-21489 EZ-Board Hardware Reference
dard, off the shelf DB25 connector to XLR cables, change the switch to
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