PixArt Imaging Inc.

PAC7312

VGA PC Camera Single-Chip with Audio

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12

PixArt Imaging Inc.

V1.5 Oct. 2005

6.2CSPPackage(PAC7312CS)

C22

10uF

C6

1uF

VSSAY

C3

1uF

C8

1uF

VDDD

R18

47

VDD5V

C34

10uF

KEY

GPO/TR0

R11

4.7K

L1

3.3uH

C16

100pF

R13

1K

VDDAY

C4

47pF

R17

10k

R8

2k

C24

10uF

C32

20pF

C11

1uF

VDDP

C27

0.1uF

C33

0.1uF

+

C18

22uF

+

C20

10uF

C28

10uF

VSSQ

KEY

C9

1uF

C12

1uF

VCM

R21 27 ohm

VRB

R22

10M

VSSA

Q1

2N3904

VSSAY

VSSA

VSSA

CON1

MINI USB 5P

3

2

1

4

5

+

-

+5V

NC

GND2

GPO/TR0

C7

1uF

R20 27 ohm

VSSQ

VDD5V

RST#

R16

27K

VSSQ

C26

10uF

XOUT

+

C30

10uF

R9

1K

R3

10k

C25

0.1uF

C31

20pF

VRB

LED

R1

10k

EPR_DI/TR1

VDD5V

VRT

C36

0.1uF

L3 Short / 3.3uH

C19

0.001uF

VDDAD

VCM

R15

22K

VSSAY

LED

VDDQ

R2

10k

VSSQ

D1

LED

VDDQ

VSSQ

VDDQ

C35

4.7nF

USBGND

VDDQ

XIN

U1

PAC7312CS

1

2

3

14

15

16

17

18

19

20

21

22

32

33

34

35

36

37

MIC

VRB

VCM

GPO/TR0

LED

EPR_EN

IOTRAP#

KEY#

NC

VSSQ

VDDD

PWR_5V

VDDQ

VDDP

VDDAD

VDDAV

VSSA

PWR_5V

C5

47pF

VSSQ

L2

Open/3.3uH

X2

MICROPHONE

R5 1K

VDDAV

EPR_CS/TR2

C1 1uF

VSSA

DP

C29

0.1uF

VSSQ

R14

100k

S1

KEY

VDDD

R12

4.7K

MIC

VDDAV

C15

0.1uF

VDDA

VSSQ

R10

22K

R6 51k

VDDQ

MIC

+

C21

4.7uF

Q2

2N3904

C13

1uF

R4

10k

DN

VDDAD

C23

0.1uF

VDDP

C2

1uF

R19

1.5K

VDDQ

R7

1M

VDD5V

EPR_CK/TR3

X1

12MHz

VDD5V

VSSA

C17

4.7uF

+

C14

10uF

C10

1uF

L4 Short / 3.3uH