Leds; Test Points - Spectrum Digital eZdsp R2812 USB Technical Reference

2.6 LEDs

The eZdsp
+5 volts and is normally 'on' when power is applied to the board. DS2 is under software
control and is tied to the XF pin on the DSP through a buffer. These are shown in the
table below.

2.7 Test Points

The eZdsp
table below.
TM
R2812 has two light-emitting diodes. DS1 indicates the presence of
Table 17: LEDs
LED # Color
DS1 Green
DS2 Green
TM
R2812 has two test points. The signals they are tied to are shown in the
Table 18: Test Points
Test Point
J1
J2
Controlling Signal
+5 Volts
XF bit (XF high = on)
Signal
Analog Ground
Ground
Spectrum Digital, Inc
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