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PAW3205DB-TJ3T-规格书完整版.pdf
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The PAW3205DB-TJ3T is a high performance and low power CMOS process optical mouse sensor with DSP integration chip that serves as a non-mechanical motion estimation engine for implementing a computer wireless mouse. With adaptive frame rate control, AKA AFC, this optical mouse sensor gains extra power saving during mouse moving.
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PAW3205DB-TJ3T
A
ll rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 1
專利公示
:本產品業經本公司獲得台灣專利第 509867, 530489, 529309, 560179, 526662, 554497, I230890, I287732 號專利在案。
P
ixArt Ima
g
in
g
Inc.
E
-mail: fae_service@pixart.com.tw V0.2, Nov. 2011
PAW3205DB-TJ3T
LOW POWER WIRELESS MOUSE SENSOR
General Description
The PAW3205DB-TJ3T is a high performance and low power CMOS process optical mouse sensor with DSP
integration chip that serves as a non-mechanical motion estimation engine for implementing a computer wireless
mouse. With adaptive frame rate control, AKA AFC, this optical mouse sensor gains extra power saving during
mouse moving.
Features
Single power supply
Precise optical motion estimation
technology
Complete 2-D motion sensor
Accurate motion estimation over a wide
range of surfaces
High speed motion detection up to 30
inches/sec
High resolution up to 1600 CPI
Power saving mode during times of no
movement
Serial interface for programming and
data transfer
Built-in low power Timer (LPT) for
sleep1/sleep2 mode
MOTSWK pin to wake up mouse
controller
Wide operation range from 2.1V to 3.6V
Adaptive frame rate control for extra
power saving during moving
Key Specification
Power Supply
Operating voltage
2.1V ~ 3.6V (VDD)
Optical Lens 1:1
Speed Up to 30 inches/sec
Acceleration Up to 10 G
Resolution 600/ 800/ 1000(Default)/ 1200/ 1600 CPI
Frame Rate Up to 2400 frames/sec
Typical
Operating
Current
(without I/O
toggling)
1.5mA @ Mouse moving (Normal)
100uA @ Mouse not moving (Sleep1)
15uA @ Mouse not moving (Sleep2)
10uA @ Power down mode
*not including LED, typical value
Package Staggered DIP8
Ordering Information
Order Number
Part Description Resolution
PAW3205DB-TJ3T
CMOS Optical Mouse Sensor 1000 CPI

PixArt Imaging Inc.
PAW3205DB-TJ3T Wireless Optical Mouse Sensor
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 2
1. Pin Configuration
1.1 Pin Description
專利公示
:本產品業經本公司獲得台灣專利第 509867, 530489, 529309, 560179, 526662, 554497, I230890, I287732 號專利在案。
PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
V0.2, Nov. 2011
Pin Name Type Definition
1 NC NC No function
2 MOTSWK OUT Motion detect (active low output, see Section7)
3 SDIO I/O Serial interface bi-direction data
4 SCLK IN Serial interface clock
5 LED OUT LED control
6 VSS GND Chip ground
7 VDD PWR
Power supply (2.1V~3.6V) for internal power regulator, VDDA
(1.9V) is the power regulator output.
8 VDDA PWR Analog/Digital supply voltage (1.9V)
1.2 Pin Assignment
LB RB
+ X
+ Y
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
Figure 1. Top View Pinout Figure 2. Top View of Mouse

PixArt Imaging Inc.
PAW3205DB-TJ3T Wireless Optical Mouse Sensor
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 3
2. Block Diagram and Operation
專利公示
:本產品業經本公司獲得台灣專利第 509867, 530489, 529309, 560179, 526662, 554497, I230890, I287732 號專利在案。
PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
V0.2, Nov. 2011
LED
DRIVE
CMOS IMAGE
SENSOR
DIGITAL
SIGNAL
PROCESSOR
POWER ON
RESET
CONTROL
REGISTER
SCLK
SDIO
VOLTAGE REGULATOR
AND POWER CONTROL
LED
VSS
ADAPTIVE
FRAMERATE
CONTROL
SERIAL
INTERFACE
2.1V ~ 3.6V
POWER
VDD
MOTION/
WAKE UP
MOTSWK
VDDA
SERIAL
INTERFACE
1.9V REGULATOR
Figure 3. Block Diagram
The PAW3205DB-TJ3T is a high performance and low power CMOS-process optical mouse sensor with DSP
integration chip that serves as a non-mechanical motion estimation engine for implementing a wireless computer
mouse. It is based on new optical navigation technology, which measures changes in position by optically
acquiring sequential surface images (frames) and mathematically determining the direction and magnitude of
movement. The mouse sensor is in an 8-pin optical package. The current X and Y information are available in
registers accessed via a serial port. The word "mouse sensor", instead of PAW3205DB-TJ3T, is used in the
document.
With brand-new LED control technology, adaptive frame rate control (also known as AFC), the mouse sensor
gain extra power saving during mouse moving. The AFC servers position/speed detection and then mapping to
different frame rate. With lower frame rate, it leads to lower power consumption of the mouse sensor and LED.
The mouse sensor is featured with THREE-level AFC which is 2400/1200/800 frame per second.

PixArt Imaging Inc.
PAW3205DB-TJ3T Wireless Optical Mouse Sensor
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 4
專利公示
:本產品業經本公司獲得台灣專利第 509867, 530489, 529309, 560179, 526662, 554497, I230890, I287732 號專利在案。
PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
V0.2, Nov. 2011
3. Registers and Operation
The mouse sensor can be programmed through registers via the serial port. Also, the DSP configuration and
motion data can be read from these registers. All registers not listed are reserved, and should never be written by
firmware.
3.1 Registers
Address Name R/W Default Data Type
0x00 Product_ID1 R 0x30 Eight bits[11:4] number with the product identifier
0x01 Product_ID2 R 0xDX
Upper Four bits[3:0] number with the product identifier
Lower Four bits[3:0] number with the product version
0x02 Motion_Status R - Bit field
0x03 Delta_X R - Eight bits 2’s complement number
0x04 Delta_Y R - Eight bits 2’s complement number
0x05 Operation_Mode R/W 0xB8 Bit field
0x06 Configuration R/W 0x02 Bit field
0x07 Image_Quality R - Eight bits unsigned integer
0x08 Operation_State R - Bit field
0x09 Write_Protect R/W 0x00 Bit field
0x0A Sleep1_Setting R/W 0x70 Bit field
0x0B Enter_Time R/W 0x10 Bit field
0x0C Sleep2_Setting R/W 0x70 Bit field
0x0D
Image_
Threshold
R/W 0x0A Eight bits unsigned integer
0x0E
Image_
Recognition
R/W 0xE5 Bit field
3.2 Register Descriptions
0x00 Product_ID1
Bit 7 6 5 4 3 2 1 0
Field PID[11:4]
Usage The value in this register can’t be changed. It can be used to verify the serial communications link is
OK.

PixArt Imaging Inc.
PAW3205DB-TJ3T Wireless Optical Mouse Sensor
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 5
專利公示
:本產品業經本公司獲得台灣專利第 509867, 530489, 529309, 560179, 526662, 554497, I230890, I287732 號專利在案。
PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
V0.2, Nov. 2011
0x01 Product_ID2
Bit 7 6 5 4 3 2 1 0
Field PID[3:0] VID[3:0]
Usage
The value in this register can’t be changed. PID[3:0] can be used to verify that the serial
communications link is OK.
VID[3:0] is a value between 0x0 and 0xF, it represents the chip version.
0x02
Motion_Status
Bit 7 6 5 4 3 2 1 0
Field Motion Reserved[1:0] DYOVF DXOVF RES[2:0]
Usage Motion_Status register allows the user to determine if motion has occurred since the last time it was
read. If so, then the user should read Delta_X and Delta_Y registers to get the accumulated motion. It
also reveals if the motion buffers have overflowed since the last reading. The current resolution is
also shown.
Reading this register freezes the Delta_X and Delta_Y register values. Read this register before
reading the Delta_X and Delta_Y registers. If Delta_X and Delta_Y are not read before the motion
register is read a second time, the data in Delta_X and Delta_Y will be lost.
Field Name Description
Motion
Motion since last report
0 = No motion (Default)
1 = Motion occurred, freeze motion data in Delta_X and Delta_Y registers
Reserved[1:0] Reserved for future use
DYOVF
Motion Delta Y overflow, ΔY buffer overflowed since last report
0 = No overflow (Default)
1 = Overflow has occurred
DXOVF
Motion Delta X overflow, ΔX buffer overflowed since last report
0 = No overflow (Default)
1 = Overflow has occurred
Notes
RES[2:0]
Resolution in counts per inch
000 = 600
001 = 800
010 = 1000 (Default)
011 = 1200
100 = 1600
101 – 111: reserved
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