PixArt Imaging Inc.

PAC107

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4

PixArt Imaging Inc.

V1.4, Aug, 2005

1.2 48-pin LCC

Pin No.

Name

Type

Definition

1

VDDA

P

Analog power

2

VDDAY1

Bypass

Sensor power

3

VRB

Bypass

Bottom-voltage reference for analog circuit

4

VCM

Bypass

Common-mode-voltage reference for analog circuit

5

VRT

Bypass

Top-voltage reference for analog circuit

6

GNDA

G

Analog ground

7

/EA

I

Enable bar of external ROM, “1” for internal ROM

8

NC

NC

Not connected

9

NC

NC

Not connected

10

ALE

O

Address latch pulse for SRAM-address

11

RST

I

Chip reset

12

VDDD

P

Digital power

13

NC

NC

Not connected

14

NC

NC

Not connected

15

GNDD

G

Digital ground

16

P3_6 (/WR)

O

8032, P3_6 (/WR) – Write pulse of SRAM

17

P3_7 (/RD)

O

8032, P3_7 (/RD) – Read pulse of SRAM

18

P2_0

IO

8032, P2_0

19

P2_1

IO

8032, P2_1

20

PWM2

O

8032, Programmable Pulse-width-modulation output

21

P2_2

IO

8032, P2_2

22

P2_3

IO

8032, P2_3

23

P2_4

IO

8032, P2_4

24

P2_5

IO

8032, P2_5

25

P2_6

IO

8032, P2_6

26

P2_7

IO

8032, P2_7

27

P1_2

IO

8032, P1_2

28

P1_1

IO

8032, P1_1

29

P1_0

IO

8032, P1_0

30

P3_5

IO

8032, P3_5

31

XTAL1

Clock

Differential input of Crystal Oscillator

32

XTAL2

Clock

Differential input of Crystal Oscillator

33

VDDD

P

Digital power

34

P1_6

IO

8032, P1_6

35

P0_0

IO

8032, P0_0

36

P0_1

IO

8032, P0_1

37

P0_2

IO

8032, P0_2

38

P0_3

IO

8032, P0_3

39

P0_4

IO

8032, P0_4

40

P0_5

IO

8032, P0_5