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PAN301A Schematic ( PDF Datasheet ) - PXI

Teilenummer PAN301A
Beschreibung CMOS HIGH PERFORMANCE OPTICAL MOUSE SENSOR
Hersteller PXI
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Gesamt 24 Seiten
PAN301A Datasheet, Funktion
www.DataSheet4U.com
PAN301A
PAN301A CMOS HIGH PERFORMANCE OPTICAL MOUSE SENSOR
General Description
The PAN301A is a high performance CMOS process optical mouse sensor with DSP integration chip that serves
as a non-mechanical motion estimation engine for implementing a computer mouse.
Features
Key Specification
Single 5.0 volt power supply
Precise optical motion estimation technology
Power Supply
Wide operating supply range
4.5V~5.5V
Complete 2-D motion sensor
No mechanical parts
Optical Lens 1:1
Accurate motion estimation over a wide range of System Clock
surfaces
High speed motion detection up to 37 inches/sec Speed
and acceleration can be up to 20g
High resolution up to 800cpi
Acceleration
18.432 MHz
37 inches/sec
20g
Power down pin
power dissipation.
and
register
setting
for
low
Resolution
400/600/800cpi
Power saving mode during times of no movement Frame Rate
Serial Interface for programming and data
transfer
Operating
I/O pin 5.0 volt tolerance
Current
3000 frames/sec
12mA @Mouse moving (Normal)
5mA @Mouse not moving (sleep1)
100uA @Power down mode
Package
Shrunk DIP20
Ordering Information
Order number
PAN301ASI-204
PAN301ASI-208
I/O
CMOS output
CMOS output
Resolution
400 cpi
800 cpi
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
1
PixArt Imaging Inc.
V1.3, MAY. 2004






PAN301A Datasheet, Funktion
PixArt Imaging Inc.
PAN301A
CMOS Optical Mouse Sensor
0x05
Operation_Mode
Bit 7
6 5 43 2 1 0
Field LEDsht_enh XY_enh Reserved Slp_enh Slp2au Slp2mu Slp1mu Wakeup
Usage Register 0x05 allows the user to change the operation of the sensor. Shown below are the bits, their
default values, and optional values.
Operation_Mode[4:0]
“0xxxx”=Disable sleep mode
“10xxx”=Enable sleep mode1
“11xxx”=Enable sleep mode2
“1x100”=Force enter sleep23
“1x010”=Force enter sleep13
“1x001”=Force wakeup from sleep mode3
Notes:
1. Enable sleep mode, but disable automatic entering sleep2 mode, that is, only 2 modes will be used,
normal mode and sleep1 mode. After 1 sec not moving during normal mode, the chip will enter
sleep1 mode, and keep on sleep1 mode until moving is detected or wakeup is asserted.
2. Enable sleep mode full function, that is 3 modes will be used, normal mode, sleep1 mode and sleep2
mode. After 1 sec not moving during normal mode, chip will enter sleep1 mode, and keep on sleep1
mode until moving is detected or wakeup is asserted.
And after 60 sec not moving during sleep1 mode, the chip will enter sleep2 mode, and keep on sleep2
mode until detect moving or force wakeup to normal mode.
Mode
Sampling rate @3000frame/sec Active duty cycle @3000frame/sec
Sleep1
94/sec
22%
Sleep2
3/sec
2.24%
3. Only one of these three bits slp2mu_enh, slp1mu_enh, and wakeup can be set to 1 at the same time,
others have to be set to 0. After a period of time, the bits, which was set to 1, will be reset to 0 by
internal signal.
Notes Field Name
LEDsht_enh
XY_enh
Reserved
Slp_enh
Slp2au
Slp2mu
Description
LED shutter enable / disable
0 = Disable
1 = Enable (Default)
XY quadrature output enable/disable
0 = Disable
1 = Enable (Default)
Reserved for future
Sleep mode enable/disable
0 = Disable
1 = Enable (Default)
Automatic enter sleep2 mode enable/disable
0 = Disable (Default)
1 = Enable
Manual enter sleep2 mode, set “1” will enter sleep2 and this bit will be reset to “0”
Slp1mu
Wakeup
Manual enter sleep1 mode, set “1” will enter sleep2 and this bit will be reset to “0”
Manual wake up from sleep mode, set “1” will enter wakeup and this bit will be
reset to “0”
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
6
PixArt Imaging Inc.
V1.3, MAY. 2004

6 Page









PAN301A pdf, datenblatt
PixArt Imaging Inc.
PAN301A
CMOS Optical Mouse Sensor
5. Quadrature Mode
The quadrature state of the PAN301A tells mouse controller which direction the mouse is moving in. The
output format is two channels quadrature (X and Y direction), which emulates encoder phototransistors.
The DSP generates the x and y relative displacement values that are converted into two channel
quadrature signals. The following diagrams show the timing for positive X motion, to the right or positive
Y motion, up.
5.1 Quadrature Output Timing
XA/YA
X motion to the right
Y motion up
FOUR
XB/YB
83.3us
83.3us
83.3us
83.3us
XA/YA
THREE
XB/YB
83.3us
83.3us
166.7us
XA/YA
TWO
XB/YB
83.3us
250us
XA/YA
ONE
XB/YB
333.3us
333.3us @ 3000frames/second
Figure 6. Quadrature output timing
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
12
PixArt Imaging Inc.
V1.3, MAY. 2004

12 Page





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