PixArt Imaging Inc.

PAN3203DI

Wireless Optical Mouse Single Chip

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9

PixArt Imaging Inc.

V0.1 Jan. 2006

4.3 2.7V Application Circuit (with Red LED)

RFEN

SW6

RFEN

R8

10K

RKEY

RFcarrier

BAT(1.5V)

LKEY

SW3

R7

10K

* R5 open

BAT(1.5V)

RFU

RFID

RFcarrier

R3 10K

U1

ELM9327

VOUT

SW

VCC_2.7V

SW4

Z1

D1

Q2

3904

MKEY

RFDATA

#1. Battery Power Circuit

ISCK

X1

27.042MHZ

BatDetect

RFU

+

C1

47uF

Z2

B5

+

C20

1uF

R4

10R

BatDetect

ISDA

#3. RF TX Circuit

Z2

C24

0.1uF

+

C11

1uF

SW1

#4. Sensor Circuit

RFDATA

RFosc

B4

B4

ISDA

C5

0.1uF

SW5

+

C23

1uF

+

C21

10uF

D2

1N5819

Q1

2N3906

+

C8

1uF

Note1:

Please reserve C19,R5,SW7 for future use

RFID

R11

100K

SW2

VR1

500K

MKEY

C22

0.1uF

VCC_2.7V

C9

0.1uF

* C19

R6 2K

C12

100pF

DC/DC Converter

R1

U3

24AA02

A0

A1

A2

VSS SDA

SCL

WP

VCC

RFosc

RKEY

U4

PAN3203DI

20

17

23

2

24

15

6

3

21

7

14

16

8

13

1

19

10

22

4

18

9

5

11

12

BR

RFID

RFU

ZY2

BATLow

ISCK

OSCOUT

BL

BM

OSCIN

NC

ISDA

VDDD

B5

ZY1

RFEN

VDD

NC

B4

RFDATA

VSS

LED

VDDA

VREF

C10

0.1uF

Q3

3904

ENSW1

ENCODER

Z2

Z1

COM

VCC_2.7V

B5

VCC_2.7V

VCC_2.7V

LED_2.7V

LKEY

Z1

* SW7

#2. EEPROM Circuit

L1

200uH

ISCK

VCC_2.7V

+

C2

47uF

VR2

500K

Q4

2N3906

C18 10pF

LED_2.7V

C13

100pF

C6

22pF

Figure6. Application Circuit for 2.7V (with Red LED)