PixArt Imaging Inc.

PAN3201DH

CMOS Optical Mouse Sensor

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21

PixArt Imaging Inc.

V1.0, Mar. 2006

8.3 1.8V Application Circuit (with IR LED)

SW2

R1

C3

22uF

BAT_3.0V

IR_1.8V

C5

0.1uF

RKEY

X2

18.432MHz

C14

1uF

R2

30K

ENSW1

ENCODER

Z2

Z1

COM

C8

0.1uF

JP1

X1

6MHz

S1

C1

47uF

C24

1u

U4

PAN3201DH

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_LED

OSCIN

YB

VREF

VSSA

VSSD

SCLK

SDIO

VDDD

LED

OSCOUT

YA

VDD

VDDA

NC

MKEY

PD

IR_1.8V

SCLK

RFEN

C4

22uF

VCC_1.8V

VCC_1.8V

VCC_1.8V

B. Regulator

RKEY

SW1

VCC_1.8V

RESET

U1

ELM9318

VOUT

SW

SWKINT

C11

1uF

SCLK

Q1

3904

Z2

LKEY

RFDATA

C21

100pF

Optional power source: A or B

Pin15(CPI)

control

state

SDIO

+

C12

10uF

C13

0.1uF

SDIO

C23

0.1u

D2 1N5819

#1. Battery Power Circuit

C22

1uF

JP1,

JP2

open,

short

=> GND (800CPI)

short, open

=> VCC (600CPI)

open,

open

=> Floating (400CPI)

X3

13.5225MHz

C20

0.1uF

C2

100uF

R10

56K

VCC_1.8V

C17

10pF

BAT_1.5V

PD

#3. Sensor Circuit

IR_1.8V

C9

30pF

R8

2K

C18

27pF

R6

100K

VCC_1.8V

R7

36K

Q3

3904

GND

#4. RF TX Circuit

VIN PAD

U2

ELM9818

C7 15pF

VCC_1.8V

IDSYNC

IDSYNC

MKEY

Z1

L1

220uH

#2. MCU Circuit

LKEY

Q2

3904

RFEN

R5

10K

VCC_1.8V

C25

100pF

C15

0.1uF

R4

27K

R3

20K

C10 30pF

SW3

Z2

C6 15pF

A. DC/DC Converter

VCC_1.8V

RFDATA

Z1

D1

LED

JP2

C16

0.1uF

U3

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

SWKINT

C19

33pF

R9 10R

C26

100p

Figure16. Application Circuit for 1.8V (with IR LED)