PAC7301 Datasheet, PDF (3/24 Pages) Pixart Imaging Inc. – PAC7302 VGA Output PC Camera SOC with Audio PAC7301 VGA Output PC Camera SOC without Audio

PixArt Imaging Inc.
PAC7301/PAC7302
47 VDDMIC28 BYPASS Analog MIC reference audio power 2.8V
48 MIC_P
IN
Microphone positive input
3.2 PLCC Package(9X9)
Pin# Name
Type Description
1 MIC_N
IN
Microphone negative input
2 VSSA_AUDIO GND Audio analog circuit GND
3 VDDADC33 BYPASS Audio ADC power ,3.3V
4 GPI3
IN
General purpose input pin
5 GPO1
OUT General purpose output pin
6 TEST2
IN
Test pin. Connect to GND in normal operation mode, internal pull-down
100Kohm
7 RESET#
IN
Chip power up reset
8 GPI1
IN
General purpose input pin
9 VSSQ
GND Digital Ground for I/O and PHY, digital core.
10 EPR_DO/TR3 IN
Data out of EEPROM (IO trap pin for PID3, internal pull-up 100Kohm)
11 EPR_DI/TR0 OUT Data input of EEPROM (IO trap pin for PID0, internal pull-up 100Kohm)
12 EPR_SK/TR2 OUT Serial clock of EEPROM (IO trap pin for PID2, internal pull-up 100Kohm)
13 EPR_CS/TR1 OUT Chip select of EEPROM (IO trap pin for PID1, internal pull-up 100Kohm)
14 LED
OUT LED driver
15 GPI2
IN
General purpose input pin
16 EPR_EN
IN
EEPROM enable pin active high
17 AUD_EnH IN
Audio enable pin, High active, internal pull-up 100Kohm
18 VSSQ
GND Digital Ground for I/O and PHY, digital core.
19 VDDD
BYPASS Logic power for digital circuit, 1.8V
20 VDDMD5 PWR 5V power for digital circuit
21 VDDQ
BYPASS Power for I/O and PHY, 3.3V
22 OSC_OUT OUT Crystal output
23 OSC_IN
IN
Crystal input
24 DN
I/O
DN for USB1.1 PHY
25 DP
I/O
DP for USB1.1 PHY
26 GPO2
OUT General purpose output pin, internal pull-up 100Kohm, reserve VID
27 KEY#
IN
Snapshot control signal (Active Low, internal pull-up 100Kohm)
28 VSSA
GND Analog ground
29 VSSAY
GND Sensor ground
30 VDDA
BYPASS Analog power for Video PGA/ADC 2.5V
31 VDDAYM BYPASS Analog power for sensor CDS 2.5V
32 VDDAY
BYPASS Analog power for sensor array 2.5V
33 VDDA33
BYPASS Analog power output 3.3V(for 2.5 regulator use)
34 VDDMA5 PWR 5V power for video analog circuit
35 TEST1
IN
Test pin. Connect to GND in normal operation mode, internal pull-down
100Kohm
36
VDDMA5_AU
D
PWR
5V power for analog audio circuit
37 VDDPGA33 BYPASS Analog power output for audio PGA 3.3V
38 VCOM
BYPASS Microphone common mode voltage reference(audio power)
39 VDDMIC28 BYPASS Analog MIC reference audio power 2.8V
40 MIC_P
IN
Microphone positive input
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PixArt Imaging Inc.
E-mail: [e-mail]
V1.4 Nov 2007