PixArt Imaging Inc.

PAW3601DH

CMOS Laser Mouse Sensor

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21

PixArt Imaging Inc.

V2.2, Aug. 2007

8. Referencing Application Circuit

8.1 Recommended Typical Application Using Serial Interface

R5

1K

=> Used 0 ohm

=> Please reserved for PAN3602 eye

safety test

*CPI1

OPEN / 0R

*C18

OPEN

DIR1

1N4148

R3 100K

*C14

OPEN

SCANIN0

*R15, *R21, *R23, C17

USB_5V

LED1 400CPI

Please placement the C1, C2 near the

PIN17(VDD).

*CPI2

R1.4

W+(-->)1

SCLK

C8

15P

C6

10pF

C10 10pF

KEY1

100K

PAW3601 USED 3.3V POWER

*R15 OPEN

*R23 OPEN

*TP2

TEST POINT

1

PAW3601 CPI SETTING

R13

100R

SENSOR DIRECTION

KEY1

D1

1N4148

C11 1nF

0R

KEY SETTING

*TP3

TEST POINT

1

R16

0R

D6

1N4148

LED2 800CPI

R10

12R

VCC_5V

U2

MosArt MA6721

5

12

13

19

20

1

8

4

21

2

15

16

10

24

9

3

11

6

22

23

18

17

14

7

SCANOUT1

D+

D-

OSCI

OSCO

SCANOUT2

SDIO

SCLK

Z1

SCANIN0

VD1

VSS

RESET

SCANIN1

SPWR

Z2

VSSA

SCANIN2

VD2

NCS

VPP

VDD

VDDA

SCANOUT0

0R

ON

+

C15

10uF

+

C5

10uF

R7

0R

C16

0.1uF

C4

0.1uF

D7

LD

SDIO

OPEN

RB1

MB1

SCANOUT2

OPEN

PAW3601 USED 5.0V POWER

VCC_5V

*TP1, *TP2, *TP3, *TP4, *TP5

Resolution

MA6721 KEY SETTING

Q1

2N3906

NCS

X2

27.000MHz

R1.5

U1 ELM9833

1

2

VIN VOUT

=> OPEN

OPEN

SCANIN0

ON

LED3 1600CPI

*R17

OPEN

L1

BEAD

*R24 0R

*TP5

TEST POINT

1

R1.2

+

C3

100uF

SCANOUT0

NCS

D4

1N4148

SDIO

90 DEGREE

D3

1N4148

*TP1

TEST POINT

1

SCANIN2

C2

47uF

*R19

0R

*R22

0R

=> OPEN

DPI-1

*R21

OPEN

SCANIN2

DIR1

*R20

OPEN

R12

240K

VCC_5V

*R1

OPEN

SCANOUT2

JP1

USB

1

2

3

4

5

V

D+

D-

G

S

VCC_3.3V

BB1

R6

1K

C9

15P

L2

2uF

R1.6

5 Key

*R14, *R19, *R22, *R24

VCC_3.3V

=> Please reserved for future use

VCC_5V

SCANOUT0

*R14 0R

MA6721 DIR SETTING

=> Used 0 ohm

R9

12R

*CPI2

0R / OPEN

OPEN

VDD

R1.1

U3

PAW3601DH

13

14

17

15

20

1

4

12

10

7

6

18

19

5

2

3

11

8

9

16

XA

XB

CPI

NC

PD

VSS_LD

OSCIN

YB

NC

VSSA

VSSD

SCLK

SDIO

VDDD

LD

OSCOUT

YA

VDD

VDDA

NC

SCANIN1

0 DEGREE

X1

48MHz

DPI+1

SCANOUT1

SCLK

*CPI1

FB1

VDD

VCC_3.3V

R25

100R

MA6721 PCB LAYOUT NOTE

*R15, *R21, *R23

*TP4

TEST POINT

1

C17

1u

LB1

SCLK

PAW3601 RESERVED FUNCTION

R1.3

W-(<--)1

R8 100R

*C13 OPEN

*R14, *R19, *R22, *R24

SCANIN1

SCANOUT1

1600 CPI

C1

47uF

*C12 OPEN

3 Key

VCC_5V

R4 100K

R18

0R

800

CPI

R11

240K

*R1, *R17, *R20, *C12, *C13, *C14, *C18

R2 100K

ENSW1

ENCODER

Z2

Z1

COM

SDIO

D2

1N4148

C7

0.1uF

D5

1N4148

Figure 18. Application Circuit Using Serial Interface with MosArt MA6721 (Full Speed USB)