PixArt Imaging Inc.
PAC7311
VGA PC Camera Single-Chip
6. Reference Application Circuit
6.1 PLCC Package (PAC7311PE)
VDDQ
VSSAY
VSSQ
R1
R2 1K
10k
LED
VDDQ
D1
LED
R3 51k
C1 1uF
RST#
U1
KEY S1
VDDD C2
KEY
19
20
21
22
23
24
25
26
27
28
29
30
6
1uF
1uF
NC
NC
VCM
VCM
VRB
5
GPO/TR0
LED
VDDP
XOUT
C3
LED
4
VRB
3
C4
47pF
47pF
NC
NC
2
R4
1M
X1
VSSQ
VSSQ
EPR_EN
IOTRAP#
KEY#
NC
NC
12MHz
1
NC
XIN
C5
48
47
PAC7311PE
PWR_5V
VSSA
VDDAV
VDDAD
VDDP
VDDQ
VDD5V
VSSA
KEY
VSSQ
VDDA
C6
1uF
46 VDDAV
45 VDDAD
44 VDDP
43
VDDAV
VDDAD
C7
1uF
1uF
1uF
1uF
1uF
VSSQ
VSSQ
VDDD
PWR_5V
VDDD
C8
VDD5V
VDDQ
VRT
C9
C10
VRB 1uF
C11
C12
VCM
VSSA
VDDQ
VDDAY
C13
0.1uF
VSSQ
VSSQ
L1
3.3uH
VSSAY
VSSA
VDDQ
L2
Open/3.3uH
R5
USBGND
CON1
5
4
3
2
1
VSSQ
VSSAY
VSSQ
GND2
R6 27 ohm
R7 27 ohm
L3 Short / 3.3uH
L4 Short / 3.3uH
1.5K
NC
+
DP
DN
VDD5V
C14
10uF
0.1uF
10uF
0.1uF
10uF
0.1uF
10uF
0.1uF
10uF
0.1uF
-
VDD5V
+5V
MINI USB 5P
C15
C20
C22
C23
C24
C25
C26
C27
C28
C17 C18
20pF 20pF
C19 C16
+
R8
10M
10uF
0.1uF
C21 4.7nF
VSSQ
USBGND
VDDQ
VSSQ
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11
PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
V1.5 Oct. 2005
PIXART [ PIXART IMAGING INC. ]
