8

Figure 8. Schematic diagram for interface between ADNS-5050 and microcontroller.

SCLK

SDIO

ADNS-5050

NCS

NRESET

1

2

3

4

VCC

QA

QB

8

1

4

3

J1

VBUS

GND

D+

D-

VCC

POWER

R13

1.30K

Q1

R2

240

D2

Z-LED

Z-ENCODER

VCC

R4

27K

R3

27K

C7

0.1

SW2

MIDDLE

SW1

SW3

RIGHT

LEFT

VCC

2

VDD

C2

4.7

U1

5

6

GND

C1

0.1

XY_LED

D1

HLMP-EG3E

+ 5V

REG0

C4

3.3

C3

0.1

VCC

P1.0

P0.7

P1.1

P1.2

P1.3

MCU

P1.6

with

P0.4

P1.7

USB

P0.2

Features

D+/SCLK

P0.3

D-/SDAT

P1.4

P1.5

XOUT

VREG

XIN/P2.1

GND

1

2

3

7

Ropt

0.5k

RECOMMENDED

LED BIN:

BIN P AND ABOVE

(P,Q,R,S….)

P0.6

P0.5

P0.0

P0.1

VPP

XY_LED

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PixArt Imaging Inc.

PixArt Imaging Inc.

ADNS-5050 Optical Mouse Sensor