PIXART PAW3602DH-NF

PAW3602DH-NF
PAW3602DH-NF CMOS LASER MOUSE SENSOR
General Description
PAW3602DH-NF is a CMOS laser mouse sensor with DSP integration chip that serves as a non-mechanical
motion estimation engine for implementing a computer mouse.
Features
Key Specification
‰
Single power supply
‰
Precise laser motion estimation technology
‰
Complete 2-D motion sensor
‰
No mechanical parts
‰
Accurate motion estimation over most of
Speed
surfaces
28+ inches/sec
‰
High speed motion detection up to 28
Acceleration
inches/sec and acceleration can be up to 20g
20g
‰
High resolution up to 1600cpi
‰
Power down pin and register setting for low
power dissipation
‰
‰
Power Supply
4.25V ~ 5.5V (VDD)
3.0V~3.6V (VDDD, VDDA)
System Clock
27 MHz
Resolution
Frame Rate
Power saving mode during times of no
movement
Operating
Serial Interface for programming and data Current
(Sensor + LD)
transfer
‰
Low power for wireless application
‰
Eye safety protection circuit
Package
800/1600cpi
6600 frames/sec
17 mA @Mouse moving (Normal)
5 mA @Mouse not moving (Sleep)
200 uA @Shutdown mode
Shrunk DIP20
Ordering Information
Order number
PAW3602DH-NF
I/O
CMOS output
Resolution
800/1600 cpi
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PixArt Imaging Inc.
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PixArt Imaging Inc.
PAW3602DH-NF
CMOS Laser Mouse Sensor
1. Pin Description
Pin No. Name
Type
Definition
LD control
LD control
Resonator output
Resonator input
Chip digital power, 3.3V
Chip digital ground
Chip analog ground
Chip power, 5V power supply
Chip analog power, 3.3V
Connect to resistor input
LD BIST mode input / YA quadrature output
LD BIST mode input / YB quadrature output
LD BIST mode input / XA quadrature output
LD BIST mode fail output / XB quadrature output
CPI select pin
¾ Pull-high to VDD: 800 cpi (Default)
¾ Pull-down to GND: 1600 cpi
LD test pin
¾ Floating (Chip internal pull-down): Disable LD test mode
¾ Pull-high (3.3V ONLY) : Enable LD test mode
No connection
Serial interface clock
Serial interface bi-direction data
Power down pin, active high
1
2
3
4
5
6
7
8
9
10
11
12
13
14
LD_P
LD_N
OSCOUT
OSCIN
VDDD
VSSD
VSSA
VDD
VDDA
LDRES
YA
YB
XA
XB
PWR
PWR
OUT
IN
PWR
GND
GND
PWR
PWR
IN
I/O
I/O
I/O
OUT
15
CPI
IN
16
LDTEST
IN
17
18
19
20
NC
SCLK
SDIO
PD
IN
I/O
IN
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PixArt Imaging Inc.
PAW3602DH-NF
CMOS Laser Mouse Sensor
VOLTAGE REGULATOR
AND POWER CONTROL
QUADRATURE
OUTPUT
2. Block Diagram and Operation
Figure 3. Block Diagram
The PAW3602DH-NF is a high performance CMOS laser mouse sensor with DSP integration chip that serves as a
non-mechanical motion estimation engine for implementing a computer mouse. It is based on new laser speckle
navigation technology. In the laser mouse, it uses laser diode (LD), specially uses VCSEL (Vertical Cavity Surface
Emitting Laser) as light source, where laser is one kind of coherent light. When this light illuminates on the working
surface, the surface will reflect and diffuse the incident light and generates speckle pattern. The imaging sensor in the
laser mouse chip detects the speckle pattern that generated from the working surface and determines the movement
and direction. Since the speckle pattern can be generated on the most of the surface if this surface is not perfect
smooth or transparent, the laser mouse can adapt on more surfaces as compared with traditional LED-based optical
mouse.
The PAW3602DH-NF has an extra function, eye safety protection circuit. The embedded eye safety protection circuit
will detect if LD_P pin is short to power, if LD_N pin is short to ground, or if LD_RES pin is short to ground to be a
large LD power. And this will protect users from eye injured for large LD power. This mouse sensor is in a 20-pin
optical package. The output format is two-channel quadrature (X and Y direction), which emulates encoder
phototransistors. The current X and Y information are also available in registers accessed via a serial port. The word
"mouse sensor," instead of PAW3602DH-NF, is used in the document.
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PAW3602DH-NF
CMOS Laser Mouse Sensor
3. Registers and Operation
The mouse sensor can be programmed through registers, via the serial port, and 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
0x00
Product_ID
R
0x30
0x01
Product_ID
R
0x3N
0x02
0x03
0x04
0x05
0x06
0x07
Motion_Status
Delta_X
Delta_Y
Operation_Mode
Configuration
Image_Quality
R
R
R
R/W
R/W
R
-
Data Type
Eight bits [11:4] number with the product identifier
Four bits [3:0] number with the product identifier
Reserved [3:0] number is reserved for further
Bit field
Eight bits 2’s complement number
Eight bits 2’s complement number
Bit field
Bit field
Bit field
3.2 Register Descriptions
0x00
Bit
Product_ID
7
6
5
4
3
2
1
0
Field
PID[11:4]
Usage
The value in this register can’t change. It can be used to verify that the serial communications link is
OK.
0x01
Product_ID
Bit
Field
Usage
7
6
5
PID[3:0]
4
3
2
1
0
Reserved [3:0]
The value in this register can’t change. PID[3:0] can be used to verify that the serial
communications link is OK. Reserved[3:0] is a value between 0x0 and 0xF, it can’t be used to verify
that the serial communication.
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PAW3602DH-NF
CMOS Laser Mouse Sensor
0x02
Motion_Status
Bit
7
Field
Motion
Usage
6
5
Reserved[3:2]
4
3
DYOVF
DXOVF
2
1
0
Reserved[1:0]
RES
Register 0x02 allows the user to determine if motion has occurred since the last time it was read. If
so, then the user should read registers 0x03 and 0x04 to get the accumulated motion. It also tells 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.
Notes
Field Name
Description
Motion
Motion since last report or PD
0 = No motion (Default)
1 = Motion occurred, data ready for reading in Delta_X and Delta_Y registers
Reserved[3:2]
Reserved for future
DYOVF
Motion Delta Y overflow, ΔY buffer has overflowed since last report
0 = No overflow (Default)
1 = Overflow has occurred
DXOVF
Motion Delta X overflow, ΔX buffer has overflowed since last report
0 = No overflow (Default)
1 = Overflow has occurred
Reserved[1:0]
Reserved for future
RES
Resolution in counts per inch
0 = 1600
1 = 800
0x03
Delta_X
Bit
7
6
5
4
3
2
1
0
Field
X7
X6
X5
X4
X3
X2
X1
X0
Usage
X movement is counts since last report. Absolute value is determined by resolution. Reading clears
the register. Report range –128~+127.
0x04
Delta_Y
Bit
7
6
5
4
3
2
1
0
Field
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
Usage
Y movement is counts since last report. Absolute value is determined by resolution. Reading clears
the register. Report range –128~+127.
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PAW3602DH-NF
CMOS Laser Mouse Sensor
0x05
Operation_Mode
Bit
Field
Usage
7
6
5
4
3
2
1
0
LDsht_enh
XY_enh Reserved
Slp_enh
Slp2au
Slp2mu
Slp1mu
Wakeup
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 0.45 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 0.45 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 27.3 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.
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
LDsht_enh
XY_enh
Reserved
Slp_enh
Slp2au
Description
LD shutter enable / disable
0 = Disable
1 = Enable (Default)
XY quadrature output enable/disable
0 = Disable
1 = Enable (Default)
Reserved for future. Must be written to zero
Sleep mode enable/disable
0 = Disable
1 = Enable (Default)
Automatic enter sleep2 mode enable/disable
0 = Disable (Default)
1 = Enable
Slp2mu
Manual enter sleep2 mode, set “1” will enter sleep2 and this bit will be reset to “0”
Slp1mu
Manual enter sleep1 mode, set “1” will enter sleep2 and this bit will be reset to “0”
Wakeup
Manual wake up from sleep mode, set “1” will enter wakeup and this bit will be
reset to “0”
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PAW3602DH-NF
CMOS Laser Mouse Sensor
0x06
Configuration
Bit
7
Field
Reset
6
5
4
3
Reserved[3:2]
2
PD
1
Reserved[1:0]
0
RES
Usage
The Configuration register allows the user to change the configuration of the sensor.
Shown below are the bits, their default values, and optional values.
Notes
Field Name
Description
Reset full chip
Reset
0 = Normal operation (Default)
1 = Reset the fully chip
Reserved[3:2]
Reserved for future. Must be written to “00”
PD
Power down mode
0 = Normal operation (Default)
1 = Power down mode
Reserved[1:0]
Reserved for future. Must be written to “00”
RES
Output resolution setting. In the power-on initial state, the resolution is depend
on the CPI IO trap select pin. If MCU write the register, it is depend on the
register value.
0 = 1600
1 = 800
0x07
Bit
Image_Quality
7
6
5
Field
4
3
2
1
0
Imgqa[7:0]
Usage
Image Quality is a quality level of the sensor in the current frame. Report range 0~255. The
minimum level for normally working is 45.
Notes
Field Name
Description
Imgqa[7:0]
Image quality report range: 0(worst) ~ 255(best).
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PAW3602DH-NF
CMOS Laser Mouse Sensor
4. LD BIST (Built in Self Test) Mode
The mouse sensor can be performed the LD driver error detection function by manufactures to fit the LD power
in eye safety rule. LD BIST mode is enabled by pull-high (3.3V ONLY) the LDTEST pin. Once LDTEST pin is
pulled high, the XA, YB, YA pin are changed to be input pin and become the LD test mode input
[XA ,YB ,YA] , XA is MSB and YA is LSB. At this moment, XB is also changed to LD test fail output.
Pin Name
Description
LDTEST
LD Test Mode disable/enable
0 = Disable (Default)
1 = Enable
[XA , YB , YA]
“ 000 “ = Mode 0, Measure LD power, BIST if eye safety error detection function is fail in
normal mode
“ 001 “ = Mode 1, BIST if LD_P error detection function is fail
“ 010 “ = Mode 2, BIST if LD_N error detection function is fail
“ 011 “ = Mode 3, BIST if LDRES pin is short to GND
XB
0 = PASS
1 = FAIL
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PAW3602DH-NF
CMOS Laser Mouse Sensor
5. Specifications
5.1 Absolute Maximum Ratings
Stresses above those listed under "Absolute Maximum Rating" may cause permanent damage to the device.
These are stress ratings only. Functional operation of this device at these or any other conditions above those
indicated in the operational sections of this specification is not implied and exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
Symbol Parameter
Min
Max
Unit
TSTG
Storage Temperature
-40
85
°C
TA
Operating Temperature
-15
55
°C
VDC
DC Supply Voltage
VIN
DC Input Voltage
Notes
-0.5 Vdd1 + 0.3
V
-0.5 Vdd2 + 0.5
V
-0.5
VDC
V
All I/O pin except LDTEST pin (LDTEST high is
3.3V only)
260
°C
For 10 seconds, 1.6mm below seating plane.
Lead Solder Temp
ESD
2
kV All pins, human body model MIL 883 Method 3015
5.2 Recommend Operating Condition
Symbol Parameter
TA
Vdd1
Vdd2
Operating Temperature
Power Supply Voltage
VN
Supply Noise
Z
Distance from Lens Reference
Plane to Surface
R
Resolution
SCLK
Serial Port Clock Frequency
FCLK
Clock Frequency
FR
Frame Rate
S
Speed
Min.
Typ.
0
Max.
Unit
40
°C
3.0
3.3
3.6
4.25
5
5.5
2.3
V
80
mV
2.4
2.5
mm
800
1600
CPI
10
MHz
27
MHz
6600
frames/s
28
inches/s
Notes
VDDD, VDDA short
VDD
Peak to peak within 0 - 80 MHz
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PAW3602DH-NF
CMOS Laser Mouse Sensor
5.3 AC Operating Condition
Electrical Characteristics over recommended operating conditions. Typical values at 25 °C, Vdd1 = 3.3 V, FCLK = 27
MHz.
Symbol Parameter
tPDR
PD Pulse Register
tPD
Power Down
tPDW
PD Pulse Width
Min. Typ. Max. Unit
152
500
700
Notes
us
One frame time maximum after setting PD_enh
bit in the Configuration register
@6600frame/sec (refer to Figure 14).
us
From PD↑ (refer to Figure 10)
us
Pulse width to reset the serial interface (refer to
Figure 10).
tPUPD
Power Up from PD↓
8
14.5
From PD↓ to valid quad signals. After tPUPD, all
registers contain valid data from first image
after PD↓. Note that an additional 90 frames for
ms
Auto-Exposure (AE) stabilization may be
required if mouse movement occurred while PD
was high (refer to Figure 10).
tPU
Power Up from VDD↑
8
14.5
ms
From VDD↑ to valid quad signals.
500usec + 90 frames.
tHOLD
SDIO Read Hold Time
us
Minimum hold time for valid data (refer to
Figure 9).
us
@6600 frame/sec (refer to Figure 11)
tRESYNC Serial Interface RESYNC.
3
1
tSIWTT
Serial Interface Watchdog
Timer Timeout
tr,tf
Rise and Fall Times: SDIO
35,
25
ns
CL = 30 pF
tr,tf
Rise and Fall Times:
XA, XB, YA, YB
30,
25
ns
CL = 30 pF
tr,tf
Rise and Fall Times: ILD
80,
30
ns
LD bin grade: P64; R1 = 13.2 Kohm
1.7
ms @6600 frame/sec (refer to Figure 11)
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PAW3602DH-NF
CMOS Laser Mouse Sensor
5.4 DC Operating Condition
Electrical Characteristics over recommended operating conditions. Typical values at 25 °C, Vdd1 = 3.3 V, FCLK = 27
MHz.
Symbol Parameter
Min. Typ. Max. Unit Notes
Type: PWR
IDD
Supply Current
Mouse moving (Normal)
17
mA Sensor + LD
IDD
Supply Current
Mouse not moving (sleep1)
5
mA Sensor + LD
IDDPD
Supply Current
(Power Down)
200
uA
PD, SCLK, SDIO = high
Sensor + LD
Type: SCLK, SDIO, PD
VIH
Input voltage HIGH
VIL
Input voltage LOW
VOH
Output voltage HIGH
VOL
Output voltage LOW
2.0
0.7
2.4
0.6
V
V
@I OH = 2mA (SDIO only)
V
@I OL = 2mA (SDIO only)
Type: LDTEST
VIH
Input voltage HIGH
VIL
Input voltage LOW
2.0
V
0.7
V
Type: XA, XB, YA, YB
VOH
Output voltage HIGH
VOL
Output voltage LOW
2.4
0.6
V
@I OH = 2mA
V
@I OL = 2mA
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PAW3602DH-NF
CMOS Laser Mouse Sensor
6. Quadrature Mode
The quadrature state of the mouse sensor 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.
6.1 Quadrature Output Timing
X motion to the right
Y motion up
XA/YA
FOUR
38us
38us
38us
38us
38us
38us
XB/YB
XA/YA
THREE
76us
XB/YB
XA/YA
38us
TWO
114us
XB/YB
XA/YA
152us
ONE
XB/YB
152us @ 6600frames/second
Figure 4. Quadrature output timing
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CMOS Laser Mouse Sensor
6.2 Quadrature Output State Machine
The following state machine shows the states of the quadrature output pins. The three things to note are that state
0 is entered after a power on reset. While the PD pin is asserted, the state machine is halted. Once PD is deasserted, the state machine picks up from where it left off. During times of mouse no movement will entry power
saving mode, until mouse was moved.
PD
POWER ON RESET
X/Y output
STATE
XA/YA XB/YB
IR
E
D
IO
N
N
IO
-D
IR
EC
T
N
IO
+
T
EC
IR
D
T
EC
IR
-D
STATE 3
(1,0)
-D
0
0
1
0
1
2
1
1
3
1
0
+
N
O
TI
D
IR
E
N
EC
IR
D
IO
CT
-D
IR
EC
E
IR
+
0
PD
TI
O
N
STATE 1
(0,1)
CT
IO
N
PD
+
CT
IO
N
STATE 0
(0,0)
STATE 2
(1,1)
PD
Figure 5. State machine
6.3 Quadrature Output Waveform
The following diagrams show the waveform of the two channel quadrature outputs. If the X, Y is motionless, the
(XA, XB), (YA, YB) will keep in final state. Each state change (ex. STATE2 → STATE3) is one count.
X MOTION TO THE RIGHT
Y MOTION UP
( + DIRECTION )
XA/YA
XB/YB
STATE0
(0,0)
STATE3
(1,0)
STATE1
(0,1)
+1
+1
STATE2
(1,1)
+1
STATE3
(1,0)
+1
STATE0
(0,0)
MOTION COUNT
+1
X MOTION TO THE LEFT
Y MOTION DOWN
( - DIRECTION )
XA/YA
XB/YB
STATE1
(0,1)
STATE0
(0,0)
STATE3
(1,0)
-1
-1
STATE2
(1,1)
-1
STATE0
(0,0)
STATE1
(0,1)
-1
-1
MOTION COUNT
Figure 6. Quadrature output waveform
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PAW3602DH-NF
CMOS Laser Mouse Sensor
7. Serial Interface
The synchronous serial port is used to set and read parameters in the mouse sensor, and can be used to read out
the motion information instead of the quadrature data pins.
SCLK: The serial clock line. It is always generated by the host micro-controller.
SDIO: The serial data line used for write and read data.
PD:
A third line is sometimes involved. PD (Power Down pin) is usually used to place the mouse sensor in a
low power mode to meet USB suspend specification. PD can also be used to force re-synchronization
between the micro-controller and the mouse sensor in case of an error.
7.1 Transmission Protocol
The transmission protocol is a two-wire link, half duplex protocol between the micro-controller and mouse
sensor. All data changes on SDIO are initiated by the falling edge on SCLK. The host micro-controller always
initiates communication; the mouse sensor never initiates data transfers.
The transmission protocol consists of the two operation modes:
- Write Operation.
- Read Operation.
Both of the two operation modes consist of two bytes. The first byte contains the address (seven bits) and has a
bit7 as its MSB to indicate data direction. The second byte contains the data.
SECOND BYTE
FIRST BYTE
R /W
(1 BIT)
ADDRESS (7 BIT)
DATA (8 BIT)
MSB
LSB
LSB
MSB
Figure 7. Transmission protocol
7.1.1 Write Operation
A write operation, which means that data is going from the micro-controller to the mouse sensor, is always
initiated by the micro-controller and consists of two bytes. The first byte contains the address (seven bits) and
has a “1” as its MSB to indicate data direction. The second byte contains the data. The transfer is synchronized
by SCLK. The micro-controller changes SDIO on falling edges of SCLK. The mouse sensor reads SDIO on
rising edges of SCLK.
SCLK
SDIO
DON'T
CARE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
A6
A5
A4
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
DON'T
CARE
SDIO driven by Micro-controller
Figure 8. Write operation
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CMOS Laser Mouse Sensor
7.1.2 Read Operation
A read operation, which means that data is going from the mouse sensor to the mouse controller, is always
initiated by the mouse controller and consists of two bytes. The first byte contains the address, is written by the
mouse controller, and has a “0” as its MSB to indicate data direction. The second byte contains the data and is
driven by the mouse sensor. The transfer is synchronized by SCLK. SDIO is changed on falling edges of SCLK
and read on every rising edge of SCLK. The mouse controller must go to a high Z state after the last address data
bit. The mouse sensor will go to the high Z state after the last data bit.
SCLK
1
2
3
4
5
6
7
9
10
11
12
13
14
15
16
D7
D6
D5
D4
D3
D2
D1
D0
8
H i-Z
S D IO
D O N 'T
CARE
0
A6
A5
A4
A3
A2
A1
A0
S D IO d riven b y th e m ou se con troller
H i-Z_
R /W b it o f n ex t
ad d ress
S D IO d riv en b y th e m ou se senso r
N o te "A "
N o te "B "
N o te "A " 1. T he m ou se co ntroller send s add ress to the m o use sen so r.
2. T he m ou se co ntroller releases an d set S D IO to H i-Z after th e last ad dress bit.
SCLK
8
7
A1
S D IO
9
H i-Z
A0
D7
tH O L D
3u s,m in
N o te "B "
1. T he m o use sen so r sen ds data to th e m ou se con tro ller .
2. T he m o use sen so r releases and set S D IO to H i-Z after th e last data bit.
SCLK
16
H i-Z
S D IO
D0
_
1
R /W b it of n ex t ad dress
S D IO driven b y the m ou se co ntroller
Figure 9. Read Operation
7.2 Re-Synchronous Serial Interface
If the mouse controller and the mouse sensor get out of synchronization, then the data either written or read from
the registers will be incorrect. There are two different ways for re-synchronous serial interface.
z
Re-synchronous serial interface using PD pin (see Section 7.2.1)
z
Re-synchronous serial interface using watchdog timer timeout (see Section 7.2.2)
Note that “watchdog timer timeout” (see Section 7.2.2) function is disabled when the mouse sensor is in the
power down mode. If the user uses this function during the power down mode, it will get out of synchronization.
The mouse sensor and the mouse controller also might get out of synchronization due to following conditions.
z
Power On Problem - The problem occurs if the mouse sensor powers up before the mouse controller
sets the SCLK and SDIO lines to be output. The mouse sensor and the mouse controller might get out
of synchronization due to power on problem. An easy way to solve this is to raise PD pin (see Section
7.2.1) or use watchdog timer timeout (see Section 7.2.2) for re-synchronous serial interface.
z
ESD Events - The mouse sensor and the mouse controller might get out of synchronization due to ESD
events. An easy way to solve this is to raise PD pin (see Section 7.2.1) or use watchdog timer timeout
(see Section 7.2.2) for re-synchronous serial interface.
z
USB suspend - Termination of a transmission by the mouse controller may be required sometimes (for
example, due to a USB suspend interrupt during a read operation). An easy way to solve this is to raise
PD pin (see Section 7.2.1) or use watchdog timer timeout (see Section 7.2.2) for re-synchronous serial
interface.
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7.2.1 Re-Synchronous Serial Interface Using PD Pin
The mouse controller raises PD line to reach re-synchronous serial interface after an incorrect read. The mouse
sensor will reset the serial port but will not reset the registers and be prepared for the beginning of a new
transmission. Note that using “PD pin” to reach re-synchronous is quicker than using “watchdog timer timeout”.
PD
1us,min
SCLK
1
Hi-Z
SDIO
2
3
4
5
6
7
8
9
1
0
1
1
ADDRESS(R/W)
1
2
1
3
1
4
1
5
1
6
DATA
Figure 10. Re-synchronous Serial Interface Using PD Pin
7.2.2 Re-Synchronous Serial Interface Using Watchdog Timer Timeout
The mouse controller can toggle the SCLK line from high to low to high and wait at least tSIWTT to reach resynchronous serial interface after an incorrect read. The mouse sensor will reset the serial port but will not reset
the registers and be prepared for the beginning of a new transmission.
t S IW T T
SCLK
1
tR E S Y N C
1 u s , m in
S D IO
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
H i-Z
A D D R E S S (R /W )
DATA
Figure 11. Re-synchronous Serial Interface Using Watchdog Timer Timeout
7.3 Collision Detection on SDIO
The only time that the mouse sensor drives the SDIO line is during a READ operation. To avoid data collisions,
the micro-controller should release SDIO before the falling edge of SCLK after the last address bit. The mouse
sensor begins to drive SDIO after the next falling edge of SCLK. The mouse sensor release SDIO of the rising
SCLK edge after the last data bit. The micro-controller can begin driving SDIO any time after that. In order to
maintain low power consumption in normal operation or when the PD pin is pulled high, the micro-controller
should not leave SDIO floating until the next transmission (although that will not cause any communication
difficulties).
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7.4 Power Down Mode
There are two different ways to entry power down mode, using the PD line or register setting.
7.4.1 PD Line Power Down Mode
To place the mouse sensor in a low power mode to meet USB suspend specification, raise the PD line at least
700us. Then PD line can stay high, with the mouse sensor in the shutdown state, or the PD pin can be lowered,
returning the mouse sensor to normal operation.
PD
tPDW
700us,min
IDD
500us
tPD
500us
90frames
tPUPD
14.15ms
Figure 12. Power down minimum pulse width
PD
tPDW
700us,min
SCLK
1
Hi-Z
SDIO
2
3
4
5
6
7
8 9
1
0
1
1
ADDRESS(R/W)
1
2
1
3
1
4
1 1
5 6
DATA
Figure 13. PD line power down mode
7.4.2 Register Power Down Mode
The mouse sensor can be placed in a power down mode by setting PD_enh bit in the configuration register via a
serial port write operation. After setting the configuration register, wait at least 1frame times. To get the chip out
of the power down mode, clear PD_enh bit in the configuration register via a serial port write operation. In the
power down mode, the serial interface watchdog timer is not available (see Section 7.2.2). But, the serial
interface still can read/write normally. For an accurate report after leave the power down mode, wait about 3ms
before the mouse controller is able to issue any write/read operation to the mouse sensor.
SCLK
1
2
3
4
5
6
7
8
9
1
0
0
0
0
Address = 0x06
1
0
0
0
0
1
1
1
1
1
2
1
3
1
4
1
5
1
6
1 frame, max
Data = 0x08
0
0
1
0
0
0
SDIO
IDD
tPDR
Figure 14. Power-down Configuration Register Writing Operation
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7.4.3 Register Power Down Mode
The mouse sensor can be placed in a power-down mode by setting bit 3 in the configuration register via a serial
port write operation. After setting the configuration register, wait at least 1frame times. To get the chip out of the
power-down mode, clear bit 3 in the configuration register via a serial port write operation. In power-down mode,
the serial interface watchdog timer is not available. But, The serial interface still can read/write normally. For an
accurate report after leave power down mode, wait about 3ms before the micro-controller is able to issue any
write/read operation to the mouse sensor.
SCLK
1
2
3
4
5
6
7
8
9
1
0
1
0
0
0
Address=0x06
1
0
0
0
0
1
1
1
1
2
1
3
1
4
1
5
1
6
0
0
1 frame, max
Data=0x08
0
0
1
0
SDIO
IDD
tPDR
Figure 15. Power-down configuration register writing operation
7.5 Error Detection
1. The micro-controller can verify success of write operations by issuing a read command to the same address
and comparing written data to read data.
2. The micro-controller can verify the synchronization of the serial port by periodically reading the product ID
register.
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8. Referencing Application Circuit
8.1 Typical Application using Serial Interface for Full Speed USB Wire Mouse
VDD
VCC_5V
SCANIN1
VCC_3.3V
SCANIN2
U1 ELM9833
R25
100R
R3 100K
LB1
R4 100K
RB1
C1
47uF
MB1
SCANOUT0
BB1
FB1
DPI-1
W-(<--)1
W+(-->)1
DPI+1
1
SCANOUT2
R5
SCANOUT2
SPWR
VD1
4
R8 100R
6
7
SCANOUT0
24
SCANIN1
21
Z1
3
Z2
NCS
SCANIN0
5
SCANIN2
VDDA
SCANOUT1
VDD
SCANIN2
VPP
SCANOUT0
VD2
SCANIN1
D+
Z1
D-
20
10pF
X1
48MHz
C10 10pF
C11 1nF
L2
0R
Q1
SDIO
D1
2N3906
SCLK
1N4148
KEY 1
100K
VDD
NCS
14
17
18
22
C4
0.1uF
C3
+
100uF
D2
D3
USB_5V
D4
1N4148
R9
12R
R10
12R
19
VSS
OSCI
100R
JP1
1
V
1N4148 1N4148
12
13
D5
10
D6
+
OSCO
VSSA
R13
15
23
DIR1
1N4148
2
11
1N4148 1N4148
C5
10uF
C7
0.1uF
R11
240K
C8
15P
R12
240K
16
D-
4
G
5
C9
15P
D+
3
Z2
RESET
C6
9
NCS
VCC_5V
1K
1K
R7
SDIO
2
SCANIN0
SCANOUT1
R6
SCLK
8
SDIO
ENCODER
C2
47uF
LED3 1600CPI
U2
ENSW1
2
LED2 800CPI
SCANOUT2
COM
VOUT
LED1 400CPI
SCANOUT1
SCLK
VIN
3
R2 100K
1
GND
SCANIN0
VCC_5V
S
USB
L1
BEAD
MosArt MA6721
2uF
MA6721 DIR SETTING
VCC_5V
U3
D7
1
LD
2
*C12 OPEN
X2
27.000MHz
*C13 OPEN
3
4
5
C14
1uF
6
VCC_5V
7
8
9
C15
C16
C17
0.1uF
1uF
10
LD_P
PD
LD_N
SDIO
OSCOUT
OSCIN
VDDD
SCLK
NC
LDTEST
VSSD
CPI
VSSA
XB
VDD
XA
VDDA
YB
LDRES
YA
R1
PAW3602DH-NF
SENSOR DIRECTION
0 DEGREE
ON
90 DEGREE
20
19
MA6721 KEY SETTING
SDIO
18
SCLK
CPI1
OPEN / 0R
17
16
15
14
13
12
11
1
R20
*TP1
TEST POINT
*TP2
TEST POINT
1
*TP3
TEST POINT
OPEN
5 Key
PAW3602 CPI SETTING
1 *TP4
TEST POINT
1
KEY SETTING
3 Key
Please placement the C1, C2 near the
PIN17(VDD).
0R
1
KEY1
ON
MA6721 PCB LAYOUT NOTE
CPI2
OPEN
CPI1
0R
Resolution
800 CPI
0R
OPEN
1600 CPI
*TP5
TEST POINT
+
10uF
DIR1
OPEN
PAN3602 RESERVED FUNCTION
CPI2
0R / OPEN
*TP1, *TP2, *TP3, *TP4, *TP5
=> Please reserved for PAW3602 eye
safety test
*C12, *C13
=> Please reserved for future use
Note:The suggested resistor tolerance
is 1% precise resistor for R1
Figure 16. Application Circuit Using Serial Interface with MosArt MA6721 (Full Speed USB)
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8.2 Typical Application using Serial Interface for Low Speed USB Wire Mouse
VCC_5V
U2
SDIO
PD
3
4
BM
5
BR
6
BL
7
Z2
8
Z1
9
P1.2/VREG
P1.4
VCC
P1.5
P1.1/D-
P1.6
P1.0/D+
P1.7
VSS
P0.7
P0.1
P0.6
P0.1
P0.5
P0.2
P0.4
P0.3
VCC_5V
18
VCC_3.3V
CON1
17
D-
D-
16
C2
+
D+
15
C3
D+
22uF GND
0.1uF
U3
1
2
3
4
2
C10
HEADER 4
14
VIN
VOUT
3
GND
SCLK 2
P1.3
+
C11
22uF
+
22uF
1
1
13
ELM9833
12
11
10
CY7C63813-PXC
VCC_5V
U1
*C1
OPEN
D1
1
LD
2
3
X1
4
27.000MHz
*C4
OPEN
C5
5
+
6
1uF
7
VCC_5V
8
9
C6
10uF
+
10
C7
0.1uF
C8
PD
LD_P
LD_N
SDIO
OSCOUT
SCLK
NC
OSCIN
VDDD
LDTEST
VSSD
CPI
VSSA
XB
VDD
XA
VDDA
YB
LDRES
YA
20
PD
CPI1
19
SDIO
OPEN / 0R
18
SCLK
17
16
15
14
13
12
11
BR SW1
R
BM SW2
M
SW3
L
BL
1
*TP1
TEST POINT
1
*TP2
TEST POINT
1
*TP3
TEST POINT
CPI2
1
*TP4
TEST POINT
0R / OPEN
R8
0R
ENSW1
Z2
Z1
1
2
Z2
COM
3
Z1
ENCODER
1 *TP5
TEST POINT
+
R1
1uF
Note:The suggested resistor tolerance
is 1% precise resistor for R1
PAW3602DH-NF
PAW3602 RESERVED FUNCTION
*TP1, *TP2, *TP3, *TP4, *TP5
=> Please reserved for PAW3602 eye safety test
PAW3602 CPI SETTING
*C1, *C4
CPI2
CPI1
OPEN
0R
800
0R
OPEN
1600 CPI
=> Please reserved for future use
Resolution
CPI
Figure 17. Application circuit using serial interface with Cypress CY7C63813 (Low Speed USB)
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8.3 Typical Application for Wireless Laser Mouse, Power Source from Pin 5 & 9
#1. Battery Power Circuit
BAT_PWR
L1
ENSW1
VCC_3.3V
330uH
D1
VCC_3.3V
1N5819
COM
Z2
Z2
Z1
Z1
C1
C2
GND
SW
47uF
U1
ENCODER
VOUT
R_KEY
100uF
SW1
M_KEY
ELM9333
SW2
L_KEY
SW3
#2.MCU Circuit
VCC_3.3V
U2
ID_SY NC 1
RFU
2
3
4
5
Z1
6
Z2
7
R_KEY
8
M_KEY
9
R15
30K
C5
0.1uF
C3
P51
P50
OSCI
OSCO
VDD
P67
P66
P65
P64
P52
P53
TCC
RESET
VSS
P60/INT
P61
P62
P63
RF_EN
RF_DATA
18
17
16
15
14
13
12
11
10
X1
6MHz
15pF
VCC_3.3V
R2
C4 15pF
VCC_3.3V
SCLK
SDIO
PD
L_KEY
20K
ID_SYNC
C6
0.1uF
S1
8bits MCU
VCC_3.3V
R3
#3.RF TX Circuit
RF_EN
C10
27K
Q2
RF_DATA
R8
10K
3904
C7
C8
C9
1uF
0.1uF
1uF
C11
R4
0.1uF
10ohm
X2
13.5225MHz
R7
C15
10pF
100K
R5
0.1uF
36K
Q1
C14
56K
C16 100pF
C17
R9
33pF
2K
C13
100pF 100pF
3904
27pF
C12
R6
Q3
3904
#4.Sensor Circuit
U3
D2
1
LD
2
*C18 OPEN
*C19 OPEN
3
*X3
27.045MHz
4
5
C14
+
6
1uF
7
VCC_3.3V
8
9
C20
C21
10
+
10uF
0.1uF
C23
+
R1
LD_P
VCC_3.3V
PD
LD_N
SDIO
OSCOUT
SCLK
OSCIN
NC
VDDD
LDTEST
VSSD
CPI
VSSA
XB
VDD
XA
VDDA
YB
LDRES
YA
PAW3602DH-NF
1uF
20
PD
19
SDIO
18
SCLK
PAW3602 CPI SETTING
CPI2
CPI1
Resolution
OPEN
0R
800CPI
0R
OPEN
1600CPI
CPI1
OPEN / 0R
PAW3602 RESERVED FUNCTION
17
*C18, *C19
16
1
=> Please reserved for future use
*TP1
TEST POINT
*TP1, *TP2, *TP3, *TP4, *TP5
=> Please reserved for PAW3602 eye
safety test
15
R13
14
13
12
11
0R
1
*TP2
TEST POINT
1
*TP3
TEST POINT
The frequency of "*X3" must
be the same as RF frequency
1 *TP4
TEST POINT
1
*TP5
TEST POINT
Note:The suggested resistor tolerance
is 1% precise resistor for R1
CPI2
0R / OPEN
Figure 18. RF application circuit using pin 5 & 9 for power supply source
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8.4 Typical Application for RF Receiver
C2
C4
+
2.2uF
1
2
3
4
5
OSC_IN 6
OSC_OUT 7
8
B3
9
10
VCC_RF
C9
+
10uF
20pF
C3
68pF
C6
U1
10nF
C8
C1
0.1uF
10nF
20
19
18
17
16
15
14
13
12
11
ANT_IN1
ANT_IN2
AGND
VNEG
VPOS
MDR
VCC
LF
VDIG
AGND
XTAL_IN
VPOS_LO
XTAL_OUT VNEG_LO
VNEG_DIG
B1
B3
OUT
B2
CLK
C5
C7
+
2.2uF
2.2uF
B1
RF_DATA
C11 C10
10nF
+
2.2uF
TI TRF7903-PW20
C12
+
2.2uF
C13
10nF
OSC_IN
VCC_RF
R1
OPEN
B1
C14
R2
B3
X1
12MHz
47pF
0R
R4
R5
0R
OPEN
OSC_OUT
C15
Q1
2N3906
VCC_RF
A0 VCC
WP
A1
A2 SCL
GND SDA
VCC_RF
47pF
U2
1
2
3
4
VCC_5V
8
7
6
5
R3 10K
C16
SCL
SDA
R6
0.1uF
10K
PWR_Ctrl
2402
U3
RF_DATA
VCC_RF
R8
2
470
D1
S1
1
LED
ID_SYNC
PWR_Ctrl
3
4
5
P0.0
P0.1
P0.2
P0.3
VREG
D-/SDATA
D+/SCLK
VCC
15
14
JP1
1.3K
1
16
P1.0
VSS
P0.5
P0.6
XTALIN
R7
VCC_5V
C17
C18
+
VPP
12
11
XTALOUT
10
0.1uF
10uF
2
3
4
USB
9
23
SCL
22
SDA
13
CYPRESS CY7C63723
Figure 19. Application circuit with Cypress CY7C63813 (Low speed USB)
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9. PCB Layout Consideration
1. Caps for pins 5, 8, 9 MUST have trace lengths LESS than 5mm.
2. The trace lengths of OSCOUT, OSCIN must less than 6mm.
10. Z and 2D Assembly
+X
+Y
BASE PLATE
-- Top View -LD
Unit: mm
Lens/Package Alignment Line
Lens
SURFACE IS 0 REF.
PCB
SENSOR
BASE PLATE ALIGNMENT POST
-- Side View --
Figure 20. 2D Assembly
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11. Package Information
11.1 Package Outline Drawing
20
11
1
10
Θ
1
10
20
11
Θ
Figure 21. Package outline drawing
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11.2 Base Plate Modeling Dimension
Figure 22. Base plate molding dimension
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11.3 Recommended PCB Mechanical Cutouts and Spacing
Figure 23. Recommended PCB mechanical cutouts and spacing
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6. Update History
Version
V1.0
Update
Creation, Preliminary 1st version
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Date
06/28/2007
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CMOS Laser Mouse Sensor
Vertical Cavity Surface Emitting
Laser
(VCSEL)
Components Specification
Distribution
Internal Only
□
External All
□
External Restricted
□
If restricted, specify restricted to whom:
Document No.:
PNDR-00004
Revision:
Rev 2.50
Date:
2007/06/15
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: [email protected]
28
V1.0, Jun. 2007
PixArt Imaging Inc.
PAW3602DH-NF
CMOS Laser Mouse Sensor
Revision History
Revision
Author
Date
Description
1.0
M.H.Chien
2006/06/14 Initial version
1.5
Chadwick
2007/01/18 Add VDD=2.7V and delete VDD=5.0V constraint resistor table
2.0
Chadwick
Revise resistor table for higher CW radiant power 300uW
2007/05/04 ~550uW on Mouse operation ; Delete P32/ P64/ P68/ P72/ P76/
P80 six Grades
2.5
Chadwick
Note PAN/PAW 3601DH-NF for constraint resistor table and
2007/06/15 add new constraint resistor table for PAN/PAW 3602DH-NF
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: [email protected]
29
V1.0, Jun. 2007
PixArt Imaging Inc.
PAW3602DH-NF
CMOS Laser Mouse Sensor
PNDR-00004
850nm Epoxy molded VCSEL for Laser Mouse
FEATURES
z
Epoxy Molded with round emission surface.
z
Small divergence angle.
ELECTRO-OPTICAL CHARACTERISTICS:
PARAMETERS
SYMBOL
MIN
TYP
MAX
UNIT
TEST CONDITIONS
0.475
0.7
mW
I=IF (1)
Output Power
Po
Wavelength
λP
830
850
860
nm
IF = 6 mA
Forward Voltage
VF
1.6
1.75
1.9
V
IF = 6 mA
Series Resistance
RS
40
60
Ω
IF = 6 mA
Breakdown voltage
VBD
14
V
Ir = 10uA
8
degree
IF = 6 mA
Beam Divergence(1/e2)
7
θ
Notes :(1) Binning
APPIY TO PAN3602DH-NF/ PAW3602DH-NF
Optical power at each of following nominal bin operating current and constrained resistor
Bin grade LD current (mA)
Single Constrain
Bin grade LD current (mA)
resistor :R(Ω)
Single Constrain
resistor :R(Ω)
P36
3.6
18K
P50
5.0
13K
P40
4.0
15K
P52
5.2
13K
P42
4.2
15K
P54
5.4
12K
P44
4.4
15K
P56
5.6
12K
P46
4.6
15K
P58
5.8
12K
P48
4.8
13K
P60
6.0
10K
Warning! For Single constrain resistor( R ) , please using the recommend value, if resistor
value is less than recommend value, there will be eye safety issue.
Note: The suggested resistor tolerance is 1% precise resistor for constrained resistor R.
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: [email protected]
30
V1.0, Jun. 2007
PixArt Imaging Inc.
PAW3602DH-NF
CMOS Laser Mouse Sensor
ABSOLUTE MAXIMUM RATINGS:
PARAMETERS
Storage Temperature
Operating Temperature
Continuous Forward Current
Continuous Reverse Voltage
Lead Solder Temperature
Fig. 1 Typical Optical Characteristics
MAX
UNIT
Condition
85
°C
60
°C
12
mA
7
V
260
10 seconds
°C
Fig. 2 Typical Electrical Characteristics
MIN
-30
-10
3.0
5
2.5
Voltage (V)
Power (mW)
4
3
2
2.0
1.5
1.0
1
0
0.5
0
2
4
6
8
10
12
14
Current (mA)
0.0
0
2
4
6
8
10
12
14
Current (mA)
OUTLINE DIMENSIONS:
Note: Unit is millimeters and Tolerance is ± 0.2 mm unless otherwise notes
WARNING:
The VCSEL is a class IIIa laser in the safety
standard ANSI Z136.1 and should be treated
as a potential eye hazard.
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: [email protected]
31
V1.0, Jun. 2007
PixArt Imaging Inc.
PAW3602DH-NF
CMOS Laser Mouse Sensor
PNLR-00038 Lens Dimensions
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: [email protected]
32
V1.0, Jun. 2007
PixArt Imaging Inc.
PAW3602DH-NF
CMOS Laser Mouse Sensor
Note: The Part No. of the Mouse Product with Prefix "PAN" shall NOT be made, sold, offered to sell, imported
or used in or into USA, Canada, Japan and EU. For "PAN", PixArt has only gained territory-limited patent
license from Avago. Avago reserve right to take legal action against our customers who fails to comply the
above term. PLEASE NOTE THAT PixArt will NOT defend, indemnify, or provide any assistance to our
customers who fail to comply the term. IF YOU DO NOT AGREE THE TERM, PIXART WILL NOT
DELIVER "PAN" PRODUCTS TO YOU.
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: [email protected]
33
V1.0, Jun. 2007