AU9540 USB Smart Card Reader V1.6
10
5
5
.
.
5
5
C
C
r
r
y
y
s
s
t
t
a
a
l
l
O
O
s
s
c
c
i
i
l
l
l
l
a
a
t
t
o
o
r
r
C
C
i
i
r
r
c
c
u
u
i
i
t
t
S
S
e
e
t
t
u
u
p
p
f
f
o
o
r
r
C
C
h
h
a
a
r
r
a
a
c
c
t
t
e
e
r
r
i
i
z
z
a
a
t
t
i
i
o
o
n
n
The following setup was used to measure the open loop voltage gain for crystal
oscillator circuits. The feedback resistor serves to bias the circuit at its quiescent
operating point and the AC coupling capacitor, Cs, is much larger than C1 and C2.
Figure 5.1 Crystal Oscillator Circuit Setup for Characterization
5
5
.
.
6
6
B
B
e
e
h
h
a
a
v
v
i
i
o
o
r
r
s
s
o
o
f
f
p
p
o
o
w
w
e
e
r
r
s
s
a
a
v
v
i
i
n
n
g
g
m
m
o
o
d
d
e
e
Table 5.5 Behavior Description
Power Saving Mode
Test item
Expected Behavior
1. Host is in normal
mode. While there is no
card inserted, plug
AU9540 into host.
AU9540 will be in suspending
mode. Host will not detect
AU9540.
2. Host is in normal
mode. While there is
card inserted, plug
AU9540 into host.
AU9540 will be detected by the
host and ready to operate
smart card.
3. Host is in normal
mode. When AU9540 is
connected to the host
and there is card
inserted in the slot, plug
off the card and plug in it
again.
When the card is removed,
AU9540 will be forced into
suspend mode. Host will detect
that AU9540 is removed. When
the card is inserted again,
AU9540 will be detected by the
host again.
Under power saving
mode, when the card is
removed, the USB
connection of AU9540 will
be disconnected from
host. If the card is
inserted, then AU9540 will
be connected to the host.
4.
When AU9540 is not
inserted into the host
and host is in suspend
mode, make sure there
is no card inserted into
AU9540 and plug
Host will not detect AU9540.
And host will not be woken up.
Содержание AU9540
Страница 1: ...AU9540 USB Smart Card Reader Controller Technical Reference Manual Rev 1 6 June 2010...
Страница 2: ...AU9540 USB Smart Card Reader Controller Rev 1 6 June 2010...
Страница 4: ...AU9540 USB Smart Card Reader V1 6 Memo...
Страница 16: ...AU9540 USB Smart Card Reader V1 6 12 7 Mechanical Information Figure 7 1 Mechanical Information Diagram...