PAC7311CS datasheet(2/13 Pages) PIXART

2 / 13 page

PixArt Imaging Inc.

PAC7311

VGA PC Camera Single-Chip

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission

PixArt Imaging Inc.

E-mail: fae_service@pixart.com.tw

V1.5 Oct. 2005

1. Pin Assignment

1.1PLCCPackage

Pin# Name

Type

Description

1 NC

No Connection

2 NC

No Connection

3 NC

No Connection

4 VRB

BYPASS Analog voltage reference

5 VCM

BYPASS Analog voltage reference

6 NC

No Connection

7 NC

No Connection

8 VRT

BYPASS Analog voltage reference

9 VDDA

BYPASS Analog power for AD/DA/PGA, 2.5V

10 VDDAY

BYPASS Sensor reset power reference

11 EPR_DO

Data output of EEPROM

12 VSSQ

GND

Ground for I/O and PHY

13 VDDQ

BYPASS Power for I/O and PHY

14 EPR_CS/TR2 OUT

Chip Select of EEPROM; (IO trap pin for PID2, internal pull-down 100Kohm)

15 EPR_CK/TR3 OUT

Serial clock of EEPROM; (IO trap pin for PID3, internal pull-down 100Kohm)

16 EPR_DI/TR1

OUT

Data input of EEPROM; (IO trap pin for PID1, internal pull-down 100Kohm)

17 VSSAY

GND

Sensor ground

18 NC

No Connection

19 NC

No Connection

20 GPO/TR0

OUT

General purpose output; (IO trap pin for PID0, internal pull-down 100Kohm)

21 LED

OUT

LED driver

22 NC

No Connection

23 VSSQ

GND

Ground for I/O and PHY

24 EPR_EN

Enable signal of EEPROM (1: enable, 0: disable), internal pull-down 100Kohm

25 IOTRAP#

I/O trap enable signal (0: enable, 1: disable, internal pull-down 100Kohm)

26 KEY#

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

27 NC

No Connection

28 VSSQ

GND

Ground for I/O and PHY

29 VDDD

BYPASS Logic power for mixed-mode circuit, 2.5V

30 PWR_5V

PWR

Main power, USB bus power

31 NC

No Connection

32 VDDQ

BYPASS Power for I/O and PHY, 3.3V

33 GPIO

General purpose input/output, internal pull-down 100Kohm

34 TEST

Test pin. Connect to GND in normal operation mode

35 NC

No Connection

36 RESET#

Chip power up reset

37 VSSQ

GND

Ground for I/O and PHY

38 XOUT

OUT

Crystal output

39 XIN

Crystal input

40 DP

I/O

DP for USB1.1 PHY

41 DN

I/O

DN for USB1.1 PHY

42 NC

No Connection

43 VDDQ

BYPASS Power for I/O and PHY

44 VDDP

BYPASS Analog power for PLL

45 VDDAD

BYPASS Analog voltage reference power for core logic, 2.5V

46 VDDAV

BYPASS Analog voltage reference

47 VSSA

GND

Analog ground

48 PWR_5V

PWR

Main power, USB bus power

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