PixArt Imaging Inc.

PAW3602DH

CMOS Laser Mouse Sensor

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

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21

PixArt Imaging Inc.

V1.0, Jun. 2007

8.3 Typical Application for Wireless Laser Mouse, Power Source from Pin 5 & 9

VCC_3.3V

Z1

C15

10pF

The frequency of "*X3" must

be the same as RF frequency

R_KEY

U2

8bits MCU

1

2

3

4

5

6

7

8

9

10

18

17

16

15

14

13

12

11

P52

P53

TCC

RESET

VSS

P60/INT

P61

P62

P63

P64

P51

P50

OSCI

OSCO

VDD

P67

P66

P65

C5

0.1uF

ENSW1

ENCODER

Z2

Z1

COM

C17

33pF

C7

1uF

VCC_3.3V

SCLK

D2

LD

D1

1N5819

X1

6MHz

RF_DATA

U1

ELM9333

VOUT

SW

R5

36K

R4

27K

=> Please reserved for PAW3602 eye

safety test

M_KEY

*TP5

TEST POINT

1

C12

100pF

VCC_3.3V

L1

330uH

R_KEY

BAT_PWR

C2

100uF

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

C16 100pF

Note: The suggested resistor tolerance

RF_EN

S1

RFU

X2

13.5225MHz

C4 15pF

L_KEY

C3

15pF

PAW3602 CPI SETTING

PD

PAW3602 RESERVED FUNCTION

*TP2

TEST POINT

1

CPI1

OPEN / 0R

C6

0.1uF

800CPI

R6

56K

ID_SYNC

C1

47uF

+

C20

10uF

C9

1uF

C14

27pF

1600CPI

VCC_3.3V

R13

0R

0R

R15

30K

*TP3

TEST POINT

1

R1

SW3

M_KEY

*C18 OPEN

R7

100K

+

C23

1uF

OPEN

VCC_3.3V

R8

10K

*TP4

TEST POINT

1

R2

20K

Resolution

SDIO

SW2

L_KEY

C8

0.1uF

VCC_3.3V

Z2

#4.Sensor Circuit

RF_DATA

*X3

27.045MHz

CPI1

C11

0.1uF

#3.RF TX Circuit

SW1

0R

#1. Battery Power Circuit

Q3

3904

SCLK

Q1

3904

U3

PAW3602DH

13

14

17

15

20

1

4

12

10

7

6

18

19

5

2

3

11

8

9

16

XA

XB

NC

CPI

PD

LD_P

OSCIN

YB

LDRES

VSSA

VSSD

SCLK

SDIO

VDDD

LD_N

OSCOUT

YA

VDD

VDDA

LDTEST

PD

SDIO

VCC_3.3V

VCC_3.3V

RF_EN

CPI2

+

C14

1uF

*TP1

TEST POINT

1

C13

100pF

is 1% precise resistor for R1

*C19 OPEN

=> Please reserved for future use

R9

2K

OPEN

R3

10ohm

Q2

3904

C10

0.1uF

C21

0.1uF

*C18, *C19

Z2

ID_SYNC

Z1

CPI2

0R / OPEN

#2.MCU Circuit

Figure 18. RF application circuit using pin 5 & 9 for power supply source