TE0320 is provided with a slide switch S2.
Figure 33: Slide switch S2 (angle view).
Slide switch S2 conditions the value of signal PS_EN.
Power-rail 3.3V is not controlled by signal PS_EN and is unconditionally enabled.
Figure 34: Slide switch S2 schematic.
Figure 35: When slide switch S2 = FX2 PON, signal PS_EN is set to signal FX2_PS_EN driven by the EZ-USB FX2LP USB FX2 microcontroller under user control.
Table 14 summarizes all switching options implied by slide switch S2 under the standard assembly option.
power rail | S2= PON | S2 = FX2 PON and | S2 = FX2 PON and |
---|---|---|---|
2.5V | on | on | off |
1.2V | on | on | off |
VCCCIO0 (= 2.5V) | on | on | off |
VCCCIO0 (= 3.3V) | on | on | on |
Table 14: Slide switch S2 settings overview.