PixArt Imaging Inc.
PAC7312
VGA PC Camera Single-Chip with Audio
6.2 CSP Package (PAC7312CS)
VDDQ
VDDQ
R1
R2
R3
10k
10k
10k
EPR_CK/TR3
EPR_CS/TR2
EPR_DI/TR1
10k
VSSAY
VSSQ
R4
R5 1K
LED
D1
LED
R6 51k
C1 1uF
RST#
U1
KEY S1
VDDD C2
KEY
GPO/TR0
LED
14
15
16
17
18
19
20
21
22
3
VCM
VRB
MIC
1uF
1uF
GPO/TR0
LED
VCM
VRB
2
1
EPR_EN
IOTRAP#
KEY#
MIC
37
36
VDDP
XOU T
C3
PWR_5V
VSSA
VDD5V
VSSA
KEY
35 VDDAV
NC
VDDAV
VDDAD
VDDP
VDDQ
VDDAD
34
PAC7312CS
C4
47pF
47pF
VSSQ
VDDD
VDDP
VSSQ
VDDD
33
32
R7
1M
X1
VDD5V
PWR_5V
VDDQ
12MHz
XI N
C5
VSSQ
VDDA
C6
1uF
VDDAV
VDDAD
C7
1uF
1uF
1uF
1uF
1uF
C8
VDDQ
VSSQ
VRT
C9
C10
VRB 1uF
VCM
C11
C12
VDD5V
R8
2k
R9
1K
C13
Q1
1uF
MIC
C14
+
R10
22K
C16
10uF
VSSA
100pF
VDDAY
C15
0.1uF
R11 4.7K
VSSA
2N3904
L1
3.3uH
VSSAY
VSSA
+
-
C17 4.7uF
MICROPHONE
GPO/TR0
R12
X2
4.7K
R13 C18
+
C19
L2
Open/3.3uH
C20
+
1K
R16
22uF
0.001uF
10uF
Q2
R14 100k
R15 22K
C21
2N3904
R17
10k
+
27K
R18
47
VSSQ
VSSAY
4.7uF
VDD5V
C22
10uF
0.1uF
10uF
0.1uF
10uF
0.1uF
10uF
0.1uF
10uF
0.1uF
VSSA
C23
C24
C25
C26
C27
C28
C29
C34
C36
VDDQ
CON1
VDDQ
MINI USB 5P
R19
1.5K
5
VSSQ
GND2
4
R20 27 ohm
R21 27 ohm
L3 Short / 3.3uH
L4 Short / 3.3uH
NC
3
DP
DN
+
2
-
VDD5V
1
+5V
C31 C32
20pF 20pF
C33 C30
+
R22 10M
10uF
0.1uF
C35 4.7nF
VSSQ
USBGND
VSSQ
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12
PixArt Imaging Inc.
E-mail: fae_service@PixArt.com.tw
V1.5 Oct. 2005
PIXART [ PIXART IMAGING INC. ]
