PixArt Imaging Inc.

PAW3603DH-NF

CMOS Laser Mouse Sensor

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21

PixArt Imaging Inc.

V1.0, Aug. 2007

9.2 1.8V Application Circuit

SWINT

+

C20

10uF

CPI1

R1_1

U3

PAW3603DH_NF

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

U4

ELM9318

VOUT

SW

C16 100pF

R_KEY

RF_EN

Z1

C9

1uF

Resolution

ID_SY NC

R3

10ohm

SW2

C7

1uF

VCC_1.8V

C3

15pF

Q1

3904

OPEN

C8

0.1uF

1200 CPI

L_KEY

C13

100pF

VCC_1.8V

L_KEY

R1_4

*R14

SHORT

0R

SW3

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

R1_5

VCC_1.8V

C23

1uF

X3

27MHz

BAT_PWR

Z1

X1

6MHz

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

RF_DATA

C21

0.1uF

*R15

SHORT

VR1

C3305-B100R

to use 1% precise resistor

R11

30K

C24

1uF

800 CPI

M_KEY

C17

33pF

R9

2K

CPI2

SHORT / OPEN

VCC_1.8V

SCLK

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

C26

47uF

Q2

3904

1600 CPI

#4.Sensor Circuit

SCLK

C12

100pF

Note:

SWINT

C6

0.1uF

PAW3603 CPI SETTING

M_KEY

R1_3

#3.RF TX Circuit

VCC_1.8V

Z2

R4

27K

C25

0.1uF

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

C4

15pF

RF_DATA

OPEN

L2

220uH

SW1

#1. Battery Power Circuit

R_KEY

C19

15 pF

*R13

SHORT

accuracy DC/DC converter

R1_2

OPEN

C11

0.1uF

PD

C5

0.1uF

VCC_1.8V

C10

0.1uF

R5

36K

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

Z2

D2

LD

SDIO

SDIO

Q3

3904

ENSW1

ENCODER

Z2

Z1

COM

CORP

VCC_1.8V

RF_EN

CPI2

VCC_1.8V

R2

20K

ID_SYNC

CPI1

OPEN / SHORT

C18

15 pF

#2.MCU Circuit

PAW3603 USED

1.8V POWER

C15

10pF

OPEN

R6

56K

C27

100uF

R8

10K

C14

27pF

R7

100K

PD

S1

0R

VCC_1.8V

D3

1N5819

X2

13.5225MHz

Figure 18. Application Circuit for 1.8V