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