PixArt Imaging Inc.
PAC7301/PAC7302
8. Reference Application Circuit
8.1 PLCC(11.43x11.43) Package (PAC7302PE)
VDDA
0
R27 VDDAY
R1
R28
1k
100k
R2
C13 1uF
VDDAY
LED-0603
300k
D1
C1
1uF
VDD_5V
0 or 3.3uH
VDDMA5_AUD R17
R23
0
C18 1uF
C21
VDDA33
R22
0
10uF_N.M.
0 or 3.3uH
R18
VDDMD5
VDDMA5
U2
0.1uF_N.M.
0 or 3.3uH
R19
R26
5.1k
C26
VDDADC33
C28 10uF
19
6
5
4
3
2
1
NC
NC
GPO1
GPI3
R29 0
R25 0
20
21
R3
2.2k
0.1uF_N.M.
VDDPGA33
EPR_EN
AUD_EnH
VSSQ
+
C32
22uF
C30
C31 10uF
22
VDDADC33
VDDADC33
VSSA_AUDIO
MIC_N
C2
VDDD 23
VDDMD5 24
VDDQ 25
OSC_OUT 26
VDDD
VDDMD5
VDDQ
OSC_OUT
OSC_IN
DN
X1
0.1uF_N.M.
-
+
MIC_N
C10
VDDMIC28
2.2uF
C4
10pF C3
R7
PAC7301/7302PE
48 MIC_P
R5
C11 22uF
MIC_P
Y1
47 VDDMIC28
46 VCOM
R6
10k
MICROPHONE
VDDMIC28
VCOM
OSC_IN
DN
27
28
29
30
10k
2.2uF
1M
12MHz
R8
10pF C5
45 VDDPGA33
44 VDDMA5_AUD
43
C15 0.1uF VDDMA5_AUD
C16 10uF
VDDPGA33
VDDMA5_AUD
NC
2.2k
DP
DP
NC
C22 0.1uF VDDMA5
C24 10uF
C6
C7
0.1uF
10uF
R9 R10
27 27
C25 1uF
C27
VDDA
10uF_N.M.
U3
L1 3.3uH
L2 3.3uH
VDDQ 1.5KR11 DP
VDD_5V
VSSA
VSSQ
VSSA_Audio
KEY
C8
1uF
VDDD
L3
L4
short
short
VDD5V
R12 10K_N.M.
R13 10K_N.M.
R14 10K_N.M.
R15 10K_N.M.
C12 0.1uF VDDMD5
C14 10uF
PID IO_TRAP
C23
C19
+
EPR_DO
EPR_SK
EPR_CS
EPR_DI
R12 R13 R14 R15
PID
0.1uF
10uF
Open Open Open Open
2620 (Default)
2621
Open Open Open Short
C17 1uF
C20
VDDQ
.
.
.
6
7
9
8
HC1 HC4
HC2 HC3
10uF_N.M.
USBGNDC29
4.7nF/250V
Short Open Open Open
2628
CON1
.
.
.
R16
10M
MINI USB 5P
USBGND
C9
1uF
VDDAYM
Short Short Short Open
262E
262F
Short Short Short Short
PAC7302 PID IO_TRAP
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19
PixArt Imaging Inc.
E-mail: fae_service@PixArt.com.tw
V1.4 Nov 2007
PIXART [ PIXART IMAGING INC. ]
