5
5
.
.
6
6
P
P
o
o
w
w
e
e
r
r
S
S
w
w
i
i
t
t
c
c
h
h
F
F
e
e
a
a
t
t
u
u
r
r
e
e
I-V Cure of Card Switch
2.850
2.900
2.950
3.000
3.050
3.100
3.150
3.200
3.250
0
100
200
300
400
500
Current (mA)
CFPWR-B(V)
Figure 5.1 Built-in card power switch I-V curve
3.3V+/- 0.3V
1ms to 10ms ( Depend
Load Capacitor )
CARD_POWER
CARD_DETECT
100ms + System
Polling timing
Figure 5.2 Card Detect Power-on Timing
AU6371-JEL USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.03W
11
