PixArt Imaging Inc.

PAC7332

VGA PC Camera Single-Chip with Audio

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PixArt Imaging Inc.

V1.0 Jul. 2009

1. Pin Assignment

1.136PCSPPackage

Pin# Name

Type

Description

1

LED

OUT

LED driver

2

Reg_SDA

I/O

I2C data for test

3

Reg_SCL

IN

I2C clock for test

4

GPIO[2]

I/O

General purpose I/O

5

GPIO[4]

I/O

General purpose I/O

6

VSSD

GND

Ground for digital

7

VDDMD5V

PWR

5V power for digit circuit

8

VDD18K

BYPASS Logic power for digit circuit, 1.8V

9

VDDMD

BYPASS Logic power for digit circuit, 3.3V

10 OSC_OUT

GND

Crystal output

11 OSC_IN

IN

Crystal input

12 PXOP

OUT

Not connect

13 DP

I/O

DP for USB1.1 PHY

14 DN

I/O

DN for USB1.1 PHY

15 KEY

IN

Snapshot control signal (Active Low, internal pull-up 100Kohm)

16 GPIO[1]

I/O

General purpose I/O

17 GPIO[3]

I/O

General purpose I/O

18 VDDAY

BYPASS Logic power for sensor

19 VSSAY

GND

Analog ground

20 VDDAD

BYPASS Logic power for analog circuit, 2.5V

21 VDDMA

BYPASS Logic power for analog circuit, 2.5V

22 VDDMA5V

PWR

5V power for analog circuit

23 VDD36A_A

BYPASS Analog MIC reference audio power 3.6V

24 VDD28A

BYPASS Analog MIC reference audio power 2.8V

25 MIC_P

IN

Microphone positive input

26 MIC_N

IN

Microphone negative input

27 VCOM

BYPASS Microphone common mode voltage reference(audio power)

28 VSSA_ADUIO

GND

Audio analog circuit GND

29 EPR_SI

OUT

Data input of EEPROM

30 EPR_CSB

OUT

Chip Select of EEPROM

31 EPR_SCK

OUT

Serial clock of EEPROM

32 EPR_SO

IN

Data out of EEPROM

33 VSSD

GND

Ground for digital

34 VDD18K

BYPASS Logic power for digit circuit, 1.8V

35 TESTMD

IN

Test pin.

36 GPIO[0]

I/O

General purpose I/O