PixArt Imaging Inc.
PAC7301/PAC7302
3.3 CSP Package
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
35
Name
GPO1
VDDADC33
MIC_N
VDDMIC28
VDDPGA33
VDDMA5_AU
D
RESET#
GPI3
VSSA_AUDIO
MIC_P
VDDMA5
VDDA33
VSSQ
GPI1
VCOM
VDDAY
VDDAYM
EPR_DI/TR0
EPR_SK/TR2
EPR_DO/TR3
VDDA
KEY#
VSSAY
EPR_CS/TR1
LED
VDDD
VDDQ
OSC_IN
VSSA
EPR_EN
VSSQ
VDDMD5
OSC_OUT
DN
DP
Type
OUT
BYPASS
IN
BYPASS
BYPASS
PWR
IN
IN
GND
IN
PWR
BYPASS
GND
IN
BYPASS
BYPASS
BYPASS
OUT
OUT
IN
BYPASS
IN
GND
OUT
OUT
BYPASS
BYPASS
IN
GND
IN
GND
PWR
OUT
I/O
I/O
Description
General purpose output pin
Audio ADC power ,3.3V
Microphone negative input
Analog MIC reference audio power 2.8V
Analog power output for audio PGA 3.3V
5V power for analog audio circuit
Chip power up reset
General purpose input pin
Audio analog circuit GND
Microphone positive input
5V power for video analog circuit
Analog power output 3.3V(for 2.5 regulator use)
Digital Ground for I/O and PHY, digital core.
General purpose input pin
Microphone common mode voltage reference(audio power)
Analog power for sensor array 2.5V
Analog power for sensor CDS 2.5V
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)
Data out of EEPROM (IO
trap pin for PID3, internal pull-up 100Kohm)
Analog power for Video PGA/ADC 2.5V
Snapshot control signal (Active Low, internal pull-up 100Kohm)
Sensor ground
Chip select of EEPROM (IO
trap pin for PID1, internal pull-up 100Kohm)
LED driver
Logic power for digital circuit, 1.8V
Power for I/O and PHY, 3.3V
Crystal input
Analog ground
EEPROM enable pin active high
Ground for I/O and PHY
5V power for digital circuit
Crystal output
DN for USB1.1 PHY
DP for USB1.1 PHY
3.4 LGA Package
Pin#
1
2
3
4
5
6
7
8
Name
GPO1
VDDADC33
VSSA_AUDIO
MIC_N
MIC_P
VDDMIC28
VCOM
VDDPGA33
Type
OUT
BYPASS
GND
IN
IN
BYPASS
BYPASS
BYPASS
Description
General purpose output pin
Audio ADC power ,3.3V
Audio analog circuit GND
Microphone negative input
Microphone positive input
Analog MIC reference audio power 2.8V
Microphone common mode voltage reference(audio power)
Analog power output for audio PGA 3.3V
4
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
V1.4 Nov 2007
PIXART [ PIXART IMAGING INC. ]
