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