PAC7312 Datasheet, PDF (11/13 Pages) Pixart Imaging Inc. – VGA PC Camera Single-Chip with Audio

PixArt Imaging Inc.
PAC7312
VGA PC Camera Single-Chip with Audio
6. Reference Application Circuit
6.1 PLCC Package (PAC7312PE)
VSSAY
VSSQ
VDDQ
VSSQ
VDD5V
19
GPO/TR0 20
LED
21
22
23
24
25
KEY
26
27
28
VDDD 29
30
NC
GPO/TR0
LED
NC
TEST2
EPR_EN
IOTRAP#
KEY #
NC
VSSQ
VDDD
PWR_5V
PAC7312PE
U1
NC ⁶
VCM ^{5 VCM}
VRB ^{4 VRB}
NC ³
MIC ^{2 MIC}
NC ¹
48
PWR_5V
VDD5V
VSSA ⁴⁷
VSSA
46 VDDAV
VDDAV
VDDAD ^{45 VDDAD}
VDDP ^{44 VDDP}
VDDQ ⁴³
VDDQ
VDDQ
R1
10k EPR_CK/TR3
R2
10k EPR_CS/TR2
R3
10k EPR_DI/TR1
R4
R5 1K
10k
LED
D1 LED
R6 51k
C1 1uF
RST#
KEY S1
KEY
VDDD C2 1uF
VDDP C3 1uF
XOUT
R7
1M
XIN
C4 47pF
X1
12MHz
C5 47pF
VDDA
VSSQ
C6
1uF
VDDAV
C7
1uF
VDDAD
C8
1uF
VDDQ
VSSQ
VSSQ
VDD5V R8 2k
R9 1K
R10
22K
R11 4.7K
C20 +
C14 ₊
10uF
VSSA
C17 4.7uF
X2
MICROPHONE
GPO/TR0
C13 1uF
MIC
C16
100pF
R12
4.7K
Q1
2N3904
R13 C18 +
1K 22uF
C19
0.001uF
10uF
Q2
2N3904
R14 100k
R15 22K
R17
+
C21
10k
4.7uF
R16
27K
R18
47
VRT
C9
1uF
C10
VRB 1uF C11 1uF
VCM
C12 1uF
VDDAY
VSSA
C15 0.1uF
L1 3.3uH
VSSAY
L2 Open/3.3uH _VSSA
VSSQ
VDD5V
C22
C23
VSSAY
10uF
0.1uF
VSSA
VDDQ
R20 27 ohm
DP
DN
R21 27 ohm
R19
L3 Short / 3.3uH 1.5K
L4 Short / 3.3uH
VSSQ
VDD5V
C31 C32
C33 C30 +
20pF 20pF 0.1uF 10uF
CON1
MINI USB 5P
5
4
3
2
1
GND2
NC
+
-
+5V
R22 10M
C24
C25
VDDQ
C26
C27
C28
C29
C34
10uF
0.1uF
10uF
0.1uF
10uF
0.1uF
10uF
VSSQ
C35 4.7nF
USBGND
C36
0.1uF
VSSQ
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
11
PixArt Imaging Inc.
E-mail: [e-mail]
V1.5 Oct. 2005