PixArt Imaging Inc.

PAN3204DB

Wireless Optical Mouse Sensor

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PixArt Imaging Inc.

E-mail: fae_service@pixart.com.tw

V3.0, Apr. 2008

8.4 Reference Application for RF Receiver Using 27MHz Transceiver

VCC_RF

D1

LED

OSC_OUT

R2

0R

SCL

VCC_RF

RF_DATA

R8

470

C9

0.1uF

R7

1.3K

R6

10K

+

C8

10uF

U2

2402

1

2

3

4

8

7

6

5

A0

A1

A2

GND

VCC

WP

SCL

SDA

C16

0.1uF

SCL

OSC_OUT

C17

0.1uF

C6

10nF

VCC_RF

R4

0R

C13

10nF

R3 10K

R1

OPEN

VCC_5V

B3

R5

OPEN

PWR_Ctrl

C3

68pF

+

C18

10uF

C14

47pF

Q1

2N3906

U1

TI TRF7903-PW20

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

ANT_IN1

AGND

VPOS

VCC

VDIG

XTAL_IN

XTAL_OUT

VNEG_DIG

B3

B2

CLK

OUT

B1

VNEG_LO

VPOS_LO

AGND

LF

MDR

VNEG

ANT_IN2

SDA

C11

10nF

RF_DATA

C1

20pF

+

C2

2.2uF

OSC_IN

B1

OSC_IN

X1

12MHz

VCC_RF

VCC_5V

+

C12

2.2uF

+

C10

2.2uF

+

C5

2.2uF

C4

10nF

C7

2.2uF

B3

C15

47pF

U3

CYPRESS CY7C63723

11

16

15

12

13

2

3

4

14

9

23

1

5

22

10

VREG

D+/SCLK

D-/SDATA

XTALIN

XTALOUT

P0.1

P0.2

P0.3

VCC

VSS

P0.5

P0.0

P1.0

P0.6

VPP

SDA

JP1

USB

1

2

3

4

S1

ID_SYNC

VCC_RF

PWR_Ctrl

B1

Figure 17. Application Circuit for RF Receive Using 27MHz Transceiver