...
S2 position | Effect on 1.2 V and 2.5 V rails |
---|---|
FX2 PON (on)(1) | 1.2 V and 2.5 V rails controlled by USB FX2 microcontroller (signal FX2_PS_EN) |
PON (off) | 1.2 V and 2.5 V rails always enabled |
...
(1) default: FX2 PON
Table 14: Slide switch S2 settings overview (1.2 V and 2.5 V rails only).
...
power rail | S2= PON | S2 = FX2 PON and | S2 = FX2 PON and |
---|---|---|---|
1.2V | on | on | off |
2.5V | on | on | off |
VCCCIO0 (= 2.5V) | on | on | off |
VCCCIO0 (= 3.3V) | on | on | on |
(12) R131 soldered / R132 unsoldered
(23) R131 unsoldered / R132 soldered
...