PixArt Imaging Inc.

PAW3603DH

CMOS Laser Mouse Sensor

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21

PixArt Imaging Inc.

V1.0, Aug. 2007

9.2 1.8V Application Circuit

SW3

R6

56K

M_KEY

C5

0.1uF

Z2

L2

220uH

D2

LD

1600 CPI

BAT_PWR

L_KEY

VR1

C3305-B100R

SDIO

#4.Sensor Circuit

3. VR1 is C3305 100ohm VR for JAY WEI INDUS.

D3

1N5819

Q2

3904

R5

36K

C27

100uF

R3

10ohm

PAW3603 CPI SETTING

RF_EN

Z2

#3.RF TX Circuit

X1

6MHz

R11

30K

*R14

SHORT

to use 1% precise resistor

VCC_1.8V

R1_1

C10

0.1uF

+

C20

10uF

OPEN

#1. Battery Power Circuit

2. R1_1, R1_2, R1_3, R1_4, R1_5 are suggested

VCC_1.8V

SCLK

C15

10pF

VCC_1.8V

ID_SY NC

PD

U3

PAW3603DH

13

14

17

15

20

1

4

12

10

7

6

18

19

5

2

3

11

8

9

16

XA

XB

SWKINT

CPI

PD

VSS_LD

OSCIN

YB

VREF

VSSA

VSSD

SCLK

SDIO

VDDD

LD

OSCOUT

YA

VDD

VDDA

NC

CPI1

OPEN / SHORT

OPEN

SCLK

SW1

SDIO

Note:

R8

10K

R1_3

C11

0.1uF

SWINT

C16 100pF

L_KEY

1. U4 are suggested to use +/- 2.5% high

VCC_1.8V

RF_DATA

CPI2

accuracy DC/DC converter

Z1

#2.MCU Circuit

R_KEY

C7

1uF

X3

27MHz

OPEN

C9

1uF

PD

VCC_1.8V

M_KEY

0R

ENSW1

ENCODER

Z2

Z1

COM

C13

100pF

R4

27K

CORP

CPI1

SW2

Q1

3904

PAW3603 USED

1.8V POWER

C18

15 pF

RF_EN

VCC_1.8V

*R15

SHORT

C8

0.1uF

R9

2K

Resolution

RF_DATA

C23

1uF

C24

1uF

R2

20K

Q3

3904

R7

100K

OPEN

VCC_1.8V

Z1

C19

15 pF

C14

27pF

1200 CPI

SWINT

C26

47uF

R1_2

CPI2

SHORT / OPEN

C4

15pF

VCC_1.8V

R1_5

0R

C12

100pF

R_KEY

*R13, *R14, *R15 => 0R

C21

0.1uF

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

VCC_1.8V

ID_SYNC

*R13

SHORT

S1

C25

0.1uF

C6

0.1uF

R1_4

C17

33pF

X2

13.5225MHz

C3

15pF

800 CPI

U4

ELM9318

VOUT

SW

Figure 18. Application Circuit for 1.8V