PixArt Imaging Inc.
PAC7301/PAC7302
3. Pin Assignment
3.1 PLCC Package(11.43X11.43)
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
36
37
38
39
40
Name
MIC_N
VSSA_AUDIO
VDDADC33
GPI3
GPO1
NC
NC
TEST2
RESET#
GPI1
VSSQ
EPR_DO/TR3
EPR_DI/TR0
EPR_SK/TR2
EPR_CS/TR1
LED
GPI2
NC
NC
EPR_EN
AUD_EnH
VSSQ
VDDD
VDDMD5
VDDQ
OSC_OUT
OSC_IN
DN
DP
NC
NC
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
Description
Microphone negative input
Audio analog circuit GND
Audio ADC power ,3.3V
General purpose input pin
General purpose output pin
No Connection
No Connection
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
No Connection
No Connection
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
No Connection
No Connection
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
No Connection
No Connection
5V power for analog audio circuit
41 TEST1
42 NC
43 NC
VDDMA5_AU
44
D
45 VDDPGA33
46 VCOM
BYPASS Analog power output for audio PGA 3.3V
BYPASS Microphone common mode voltage reference(audio power)
2
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.
PixArt Imaging Inc.
E-mail:
fae_service@PixArt.com.tw
V1.4 Nov 2007
PIXART [ PIXART IMAGING INC. ]
