PAC7312 Datasheet, PDF (2/13 Pages) Pixart Imaging Inc. – VGA PC Camera Single-Chip with Audio

PixArt Imaging Inc.
PAC7312
VGA PC Camera Single-Chip with Audio
1. Pin Assignment
1.1 PLCC Package
Pin# Name
Type Description
1 NC
-
No Connection
2 MIC
IN
Microphone input
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
IN
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 TEST2
IN
Test pin, internal pull-up 100Kohm
24 EPR_EN
IN
Enable signal of EEPROM (1: enable, 0: disable), internal pull-down 100Kohm
25 IOTRAP# IN
I/O trap enable signal (0: enable, 1: disable, internal pull-down 100Kohm)
26 KEY#
IN
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
IO
General purpose input/output, internal pull-down 100Kohm
34 TEST1
IN
Test pin. Connect to GND in normal operation mode
35 NC
-
No Connection
36 RESET#
IN
Chip power up reset
37 VSSQ
GND Ground for I/O and PHY
38 XOUT
OUT Crystal output
39 XIN
IN
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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PixArt Imaging Inc.
E-mail: [e-mail]
V1.5 Oct. 2005