SCLK

SDIO

ADNS-5020-EN

NCS

NRESET

XY_LED

VCC

P1.0

P0.7

P1.1

P0.6

P1.2

P0.5

P1.3

P0.4

P1.6

P1.7

P0.2

P0.3

D+/SCLK

D-/SDAT

P1.4

P1.5

XOUT

P0.0

VREG

P0.1

XIN/P2.1

VPP

GND

1

2

3

4

Vcc

QA

QB

21

22

23

24

8

1

4

3

J1

VBUS

GND

D+

D-

Vcc

POWER

R13

1.30K

13

11

12

1

2

10

9

Q1

2

R2

240

D2

Z-LED

Z-ENCODER

Vcc

R4

27K

R3

27K

1

3

Vcc

14

C7

0.1

SW2

middle

SW1

SW3

right

left

5

20

6

19

8

17

2

C2

4.7

7

18

U1

5

6

3

4

16

15

GND

C1

0.1

XY_LED

D1

HLMP-ED80

+ 5V

REG0

C4

3.3

C3

0.1

7

Recommended

LED bin :

Bin K and above

(K, L, M, N,...)

Cypress

CY7C63743

Figure 1. Circuit-level block diagram for ADNK-5023-CY02 designer’s kit optical mouse using the Avago Technologies ADNS-5020-EN

optical mouse sensor.

Sensor

LED

Clip

PCB

Lens/Light Pipe

Base Plate

Surface

Figure 2. Sectional view of PCB assembly highlighting all optical mouse components (optical mouse sensor, clip, lens, LED, PCB, and

base plate).