PixArt Imaging Inc.

PAN3204DB

Wireless Optical Mouse Sensor

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21

PixArt Imaging Inc.

E-mail: fae_service@pixart.com.tw

V3.0, Apr. 2008

8. Referencing Application Circuit

8.1 Power Supply at 2.7V Application Circuit (with Red LED, 2.4GHz Transceiver)

#2. MCU Circuit

CS

U1

ELM9327

VOUT

SW

SDIO

SW1

IRQ

nRF24L01 notes

(Reference only)

R5

270K

BAT_1.5V

SCK

C2

47uF

MOTSWK

SDIO

SW2

U5

nRF24L01

1

2

3

4

5

11

12

13

14

15

CE

CSN

SCK

MOSI

MISO

VDD_PA

ANT1

ANT2

VSS

VDD

L2

3.9nH

1

2

PAN3204 external resistor notes

*X2 for +/-60ppm, CL = 12pF

*C16 and C17 must have values that match the

crystals load capacitance CL

SCLK

MOTSWK

IDSYNC

VCC_2.7V

IDSYNC

CE

DC/DC Converter

RESET

D1 1N5819

SCLK

C18

0.1uF

C17*

1

2

LKEY

Z1

U2

EEPROM

1

2

3

4

8

7

6

5

A0

A1

A2

GND

VCC

WP

SCL

SDA

MISO

Antenna

S1

X2*

16MHz

IRQ

C8

0.1uF

C9

33nF

1

2

MISO

EPSD

#4. RF TX Circuit

R1

Z1

SCK

C14

2.2nF

C3

15PF

VCC_2.7V

ENSW1

ENCODER

Z2

Z1

COM

C11

1nF

VCC_2.7V

Z2

VCC_2.7V

C5

1uF

R8

22K

C1

47uF

SCK

C4 15PF

D2 LED

L1

220uH

CS

C16*

1

2

U4

PAN3204DB

2

6

4

3

5

7

8

1

MOTSWK

VSS

SCLK

SDIO

LED

VDD

VDDA

OSC_RES

+

C7

10uF

VCC_2.7V

VCC_2.7V

CE

RKEY

U3

MCU

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

PB5

PB4

PA3

PA2

PA1

PA0

PB3

PB2

PB1

PB0

VSS

PC1

PC2

PC3

PB6

PB7

PA4

PA5

PA6

PA7

OSC2

OSC1

VDD

RESET

PC7

PC6

PC5

PC4

L3

8.2nH

VCC_2.7V

LKEY

MKEY

C12

1.5pF

1

2

R7

20K

L4

2.7nH

1

2

C13

1pF

C15

4.7pF

C10

10nF

LED_2.7V

LED_2.7V

R6

4.7k

*Note that 2.7V application, R4 use 34.8K ohm +/- 1%

*Note that 1.8V application, R4 use 36K ohm +/- 1%

SW3

MOSI

R4

MKEY

EPSD

R9

1M

MOSI

X1 6MHZ

Z2

C6

1uF

#1. Battery Power Circuit

RKEY

#3. Sensor Circuit

Figure 14. Application Circuit for 2.7V (with Red LED)