PixArt Imaging Inc.

PAW3101DB

CMOS Optical Mouse Sensor

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.

18

PixArt Imaging Inc.

V3.1 May. 2008

7. Referencing Application Circuit

7.1 5V Application Circuit with External LED Control

SW1

L

Q1

2N3906

JP1

USB

1

2

3

4

R2

1.3K

D1

LED

U1

CY7C63231

8

13

12

9

10

16

15

2

1

11

6

18

3

7

17

VREG

D+

D-

XTALIN

XTALOUT

P0.6

P0.7

P0.1

P0.0

VCC

VSS

P0.4

P0.2

VPP

P0.5

U2

PAW3101DB

1

2

3

4

5

6

7

8

OSCIN

OSCOUT

SDIO

SCK

LED

VSS

VDD

VREF

X1

18.432MHz

R4

1K

C3

0.1uF

R5

10

R3

100K

SW3

R

+

C5

10uF

SW2

M

R1

C4

0.1uF

ENSW1

ENCODER

1

2

3

Z2

Z1

COM

C1

1uF

Figure 11. 5V Application Circuit with External LED Control

7.2 5V Application Circuit with Internal LED Control

D1

LED

U1

CY7C63231

8

13

12

9

10

16

15

2

1

11

6

18

3

7

17

VREG

D+

D-

XTALIN

XTALOUT

P0.6

P0.7

P0.1

P0.0

VCC

VSS

P0.4

P0.2

VPP

P0.5

C1

1uF

JP1

USB

1

2

3

4

R2

1.3K

X1

18.432MHz

SW1

L

U2

PAW3101DB

1

2

3

4

5

6

7

8

OSCIN

OSCOUT

SDIO

SCK

LED

VSS

VDD

VREF

C3

0.1uF

R3

10

SW2

M

R1

C4

0.1uF

SW3

R

+

C5

10uF

ENSW1

ENCODER

1

2

3

Z2

Z1

COM

Figure 12. 5V Application Circuit with Internal LED Control