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PAN3501UI
PAN3501UI USB OPTICAL MOUSE SENSOR SINGLE CHIP General Description
PAN3501UI is a CMOS process optical mouse sensor single chip with USB interface that serves as a nonmechanical motion estimation engine for implementing a computer mouse. Features USB interface Single 5.0 volt power supply Key Specification Power Supply Wide operating supply range 4.25V~5.5V USB 1:1 18.000 MHz 28 inches/sec 20g 400/600/800 CPI 3000 frames/sec
12mA @Mouse moving (Normal) 8mA @Mouse not moving (Sleep) 480uA @USB suspend (Suspend)
Compatible with Microsoft(R) Windows 2000(R) Interface and 5-button Wheel Mouse Optical motion estimation technology Complete 2-D motion sensor Optical Lens
System Clock Accurate motion estimation over a wide range of surfaces Speed High speed motion detection up to 28 Acceleration inches/sec High resolution up to 800cpi Resolution Power saving mode during times of no Frame Rate movement Supports five buttons (R, M, L, B4, B5) and three axes (X, Y, Z) output Operating Current Z-axis can support two kinds of scroller input (Opto-mechanical and mechanical). Package Complete Universal Serial Bus(R) spec V1.1 compatibility Complete USB HID spec V1.1 compatibility Integrated USB transceiver and 1.5Mbps USB serial interface engine
Shrunk DIP24
Ordering Information
Part Number CPI Sensor Rotate Device Type Z-axis Type
PAN3501UI PAN3501UI-P2 PAN3501UI-P4
400/600/800 400/600/800 400/600/800
0/+90/-90 0/+90/-90 0/+90/-90
2D2B/3D3B/3D5B 2D2B/3D3B/3D5B 2D2B/3D3B/3D5B
Mechanical (Z/2) Optical (Z/2) Optical (Z/4)
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PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
1. Pin Configuration
1.1 Pin Assignment
1
24
LB
RB
+Y
1
24
12
13
12
Figure 1. Top View Pinout
13
+X Figure 2. Top View of Mouse
1.2 Pin Description
Pin # Name 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Z1 Z2 SR IRCTL BM BL DT B4 B5 CPI VSSLED LED VREFB VREFA VDD5V VSS VDDQ OSCIN OSCOUT D+ DBR RFU TEST Type IN IN IN OUT IN IN IN IN IN IN GND I/O BYPASS BYPASS PWR GND BYPASS IN OUT I/O I/O IN IN IN Definition Z axis, support two kinds of scroller input, opto-mechanical and mechanical Z axis, support two kinds of scroller input, opto-mechanical and mechanical Sensor rotate (0, 1, floating) => (-90, +90, 0), 3-states input IR LED control Button middle key input, normal pull-high (50k), press connect to low Button left key input, normal pull-high (50k), press connect to low Device type (0, 1, floating) => (3D3B, 2D2B, 3D5B), 3-states input Button 4 key input, normal pull-high (50k), press connect to low Button 5 key input, normal pull-high (50k), press connect to low CPI select to (0, 1, floating)=> (800, 600, 400), 3-states input LED ground LED control Analog voltage reference Analog voltage reference Chip power VDD, 5.0V Chip ground IO voltage reference Oscillator input, connect to 18.000MHz crystal or resonator Oscillator output, connect to 18.000MHz crystal or resonator USB D+ USB DButton right key input, normal pull-high (50k), press connect to low Reserve for future use, PAN3501UP used the pin to switch USB or PS/2 Test pin. It is needed to connect to GND in normal operation mode 2
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PixArt Imaging Inc. E-mail: fae_service@pixart.com.tw V1.0, APR. 2005
PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
2. Block Diagram and Operation
LED LED DRIVER Z-AXIS COUNTER POWER ON RESET VOLTAGE REGULATOR AND POWER CONTROL VDD5V VSS VSSLED 5V POWER
WHEEL
Z1 Z2
CMOS IMAGE SENSOR
DEBUNCE
BL BM BUTTON BR B4 B5 D+ D-
VREFA VREFB VDDQ
DIGITAL SIGNAL PROCESSOR
VOLTAGE REFERENCE
USB INTERFACE
USB MOUSE CONTROLLER
OSCILLATOR
OSCIN OSCOUT
18MHZ RESONATOR
Figure 3. Block diagram PAN3501UI supports X, Y, Z three axes, and L, R, M, B4, B5 five buttons under USB mode. It is a CMOS process optical mouse sensor single chip with USB interface that serves as a non-mechanical motion estimation engine for implementing a computer mouse. PAN3501UI is in a 24-pin optical package and comes with the resolution of 400/600/800 counts per inch (cpi) and the rate of motion up to 28 inches per second. It include USB interface so that no mouse controller is needed to interface through USB. PAN3501UI can receive command and echo status or data format, both complete Universal Serial Bus(R) spec V1.1 and USB HID spec V1.1 compatibility. It is also a cost effective solution to support USB Mouse.
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PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
3. Specifications
Absolute Maximum Ratings Exposure to absolute maximum rating may affect device reliability. Symbol Parameter TSTG TA Storage temperature Operating Temperature Lead Solder Temp ESD VDD VIN DC supply voltage DC input voltage Min. -40 -15 -0.5 -0.5 Max. 85 55 260 2 5.5 5.5 Unit C C kV V V All I/O pin For 10 seconds, 1.6mm below seating plane. All pins, human body model MIL 883 Method 3015 Notes
Recommend Operating Condition Symbol Parameter TA VDD VN FCLK FR Z S A R Operating Temperature Power supply voltage Supply noise Clock Frequency Frame Rate Distance from lens reference plane to surface Speed Acceleration Resolution
Min. 0 4.25 2.3 0 -
Typ. 5.0 18.000 3000 2.4 14 400
Max. 40 5.5 100 2.5 28 20 800
Unit C V mV MHz Frames/sec mm Inches/sec g cpi
Notes
Peak to peak within 0-100 MHz
Refer to Figure 4.
Package Lid Lens
Z OBJECT SURFACE
Figure 4. Distance from lens reference plane to surface
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PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
+X +Y
ESD LENS RING
BASE PLATE
PLASTIC SPRING
CLIP
LED
SURFACE IS 0 REF. PCB SENSOR BASE PLATE ALIGNMENT POST
Unit: mm
Figure 5. 2D assembly
Z1
Z2
Tr
Tp
Tf
Figure 6. Photo-couples pulse width
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DC Electrical Characteristics Electrical characteristics over recommended operating conditions. Typical values at 25 C, VDD =5.0 V Symbol Parameter Type: USB Mouse PWR Supply Current IDD Mouse moving (normal) Supply Current IDD Mouse not moving (sleep1) Supply Current IDD Suspend current (suspend) Type: BL, BM, BR, B4, B5 RPH Internal Pull-up Resistance Type: Z1, Z2 RPD Internal Pull-down Resistance 50 PAN3501UI built-in internal pull-down Kohm resistance. PAN3501UI-PX needs external pull-down resistance. V V Kohm V V V When driving from an external source When driving from an external source Min. Typ. Max. Unit Notes
USB Optical Mouse Sensor Single Chip
-
12 8 50
480 -
mA mA uA Kohm
Type: BL, BM, BR, B4, B5, Z1, Z2 VIH VIL RPH VOL Input High Voltage Input Low Voltage Internal Pull-up Resistance Output Low Voltage 2.0 2.0 1.5 0.8 0.3 0.5 360
Type: USB DP, DN
Type: OSCIN VIH Input High Voltage VIL Input Low Voltage Type: LED VOL Output Voltage LOW
mV I OL = 25mA
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PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
4. USB Interface 4.1 USB Command Set Description (USB Descriptor)
The USB HOST detect USB mouse plug-in and assigns a new unique address to the USB mouse, then ask USB mouse device for information about the device description, configuration description, HID report description during enumeration period. After enumeration, the USB device is transfer motion and button value to the USB host. Descriptor Type Device Descriptor (18 bytes) Configuration Descriptor (9 bytes) Interface Descriptor (9 bytes) Human Interface Device Descriptor (9 bytes) Endpoint Descriptor (7 bytes) Byte 12 3A 00 09 Byte 01 09 01 02 04 21 05 01 01 03 05 00 7F 09 15 B1 Byte 10 00 22 00 10 81 09 29 75 81 09 75 38 00 22 Byte 01 25 00 00 01 03 02 03 01 03 30 08 95 25 95 Byte 00 00 01 01 00 04 A1 15 81 05 09 95 01 01 07 Byte 00 01 01 03 01 00 01 00 02 01 31 02 81 75 B1 Byte 00 01 04 01 22 0A 05 25 95 09 15 81 06 01 01 Byte 08 02 A0 02 48 09 01 01 01 81 06 09 95 C0
32
09 00 09 00 07 05 19 95 75 A1 25 C0 3C 01
Human Interface Device Report Descriptor (72 bytes, 3D3B)
4.2 USB Data Report Format
The USB report has two data formats, depending on boot or report protocol is selected. One kind of data format is the boot protocol used in legacy environment as 4.2.1. The other kind of data format is USB report protocol format and sends the additional wheel movement data in the fourth byte as 4.2.2. The wheel is moved forward the fourth byte data is 01H, the wheel is moved backward the fourth byte data is FFH, and the wheel is idle the fourth byte data is 00H.
4.2.1 USB Boot Protocol for Legacy Operation
Byte 1 Bit 0 1 2~7 0-7 0-7 Symbol BL BR NC X0~X7 Y0~Y7 Description 1 = Left button pressed 1 = Right button pressed Reserved X data (D0 - D7). A positive value indicates motion to the right; a negative value indicates motion to the left. Bit 0=LSB. Y data (D0 - D7). A positive value indicates device motion upward; a negative value indicates motion downward. Bit 0=LSB.
2 3
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PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
4.2.2 USB Report Protocol
Byte 1 Bit 0 1 2 3 4 5~7 0-7 0-7 0-7 Symbol BL BR BM B4 B5 NC X0~X7 Y0~Y7 Z0~Z7 Description 1 = Left button pressed 1 = Right button pressed 1 = Middle button pressed 1 = B4 button pressed 1 = B5 button pressed Reserved X data (D0 - D7). A positive value indicates motion to the right; a negative value indicates motion to the left. Bit 0=LSB. Y data (D0 - D7). A positive value indicates device motion upward; a negative value indicates motion downward. Bit 0=LSB. Z-wheel motion data (D0 - D7). A positive value indicates device motion downward; a negative value indicates motion upward. The Z0-Z7 limit value is 7. Bit 0=LSB.
2 3 4
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PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
5. Referencing Application Circuit 5.1 Typical Application for PAN3501UI with Mechanical Encoder
ENSW1 VCC_5V VCC_5V R2 R3 0? 0?
3
U1
2 1 1 2 3 4 Z1 Z2 SR IRCTL BM BL DT B4 B5 CPI VSSLED LED TEST RFU BR DD+ OSCOUT OSCIN VDDQ VSS VDD5V VREFA VREFB 24 23 22 21 20 19 18 17 16 15 14 13 +
ENCODER
Z1 COM Z2
RFU SW1 DD+ R8 R9 BR 1M 1M
PIN3(SR): PULL LOW => -90 degree PULL HIGH => +90 degree FLOATING => 0 degree
SW2 VCC_5V R4 R5 SW3 0? 0? SW4 VCC_5V R6 R7 0? 0? VCC_5V R1 D1 SW5
BM BL
5 6 7
X1 18.000MHZ VDDQ
+
PIN7(DT) PULL LOW => 3D3B PULL HIGH => 2D2B FLOATING => 3D5B
B4 B5
8 9 10 11 12
C1 1uF VCC_5V
PIN10(CPI) PULL LOW => 800CPI PULL HIGH => 600CPI FLOATING => 400CPI
C4
C3
+
C2 10uF
LED
C5 0.1uF
1uF 0.1uF
PAN3501UI
RFU DD+
J1
1 2 3 4 5
VCC_5V
USB CABLE
Note: Please connect the RFU pin to USB connector shell PAN3501UP used the pin to switch USB or PS/2.
for future use,
Figure 7. Application circuit for PAN3501UI (Mechanical Encoder)
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PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
5.2 Typical Application for PAN3501UI-PX with Optical Encoder
U1
Z1 VCC_5V R2 R3 0? 0? IRCTL SW2 VCC_5V R4 R5 SW3 0? 0? SW4 VCC_5V R6 R7 0? 0? VCC_5V R1 D1 LED SW5 B4 B5 BM BL Z2
1 2 3 4 5 6 7 8 9 10 11 12 Z1 Z2 SR IRCTL BM BL DT B4 B5 CPI VSSLED LED TEST RFU BR DD+ OSCOUT OSCIN VDDQ VSS VDD5V VREFA VREFB 24 23 22 21 20 19 18 17 16 15 14 13 +
RFU SW1 DD+ R8 R9 BR 1M 1M
PIN3(SR): PULL LOW => -90 degree PULL HIGH => +90 degree FLOATING => 0 degree
X1 18.000MHZ VDDQ
+
PIN7(DT) PULL LOW => 3D3B PULL HIGH => 2D2B FLOATING => 3D5B
C1 1uf VCC_5V
PIN10(CPI) PULL LOW => 800CPI PULL HIGH => 600CPI FLOATING => 400CPI
C4
C3
+
C2 10uF
C5 0.1uF
1uF 0.1uF
PAN3501UI-PX
VCC_5V IRCTL Q1 2N3906
RFU DD+
2
J1
1 2 3 4 5
D1 IR
1 3
U2 PT Z1 Z2 R5 5.1K
VCC_5V
USB CABLE
R6 470
R4 5.1K
Note: 1. Please connect the RFU pin to USB connector shell for future use, PAN3501UP used the pin to switch USB or PS/2. 2. For resistor value selection, refer to high or low input level of Z1 and Z2 in the D.C. Electrical Characteristics table. The recommended value for R2 is 470ohm. The recommended value for R3/R4 is 5.1Kohm.
Figure 8. Application circuit for PAN3501UI-PX (Optical Encoder)
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PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
5.3 PCB Layout Consideration
1. Caps for pins 13, 14, 17 MUST have trace lengths LESS than 5mm. 2. The trace lengths of OSCOUT, OSCIN must less than 6mm.
5.4 Recommended Value for R1
Radiometric intensity of LED Bin limits (mW/Sr at 20mA) LED Bin Grade N P Q Min. 14.7 17.7 21.2 Typ. Max. 17.7 21.2 25.4
Note: Tolerance for each bin will be 15% R1 value (ohm), VDD=5.0V LED Bin Grade N P Q Min. 51 51 51 Typ. 100 100 100 Max. -
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PixArt Imaging Inc. E-mail: fae_service@pixart.com.tw V1.0, APR. 2005
PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
6. Package Information 6.1 Package Outline Drawing
24 13
1
12
1
12
24
13
Figure 9. Package outline drawing
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PixArt Imaging Inc. E-mail: fae_service@pixart.com.tw V1.0, APR. 2005
PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
6.2 Recommended PCB Mechanical Cutouts and Spacing
4.064 0.160 15.494 0.610 6.985 0.275 4.445 0.175 1.194 0.047 10.998 0.433 2.286 0.090 0 ref. 27.153 1.069
16.942 0.667
26.010 1.024
7.544 0.297
0.711 0.028 Optical Center
0 ref.
1.194 0.047 4.445 0.175 6.985 0.275 0.711 0.028
3.251 0.128
7.544 0.297
All Dimensions : mm / inch
Figure 10. Recommended PCB mechanical cutouts and spacing
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PixArt Imaging Inc. E-mail: fae_service@pixart.com.tw V1.0, APR. 2005
PixArt Imaging Inc. PAN3501UI USB Optical Mouse Sensor Single Chip
7. NSTL Compatibility Test
PAN3501UI has passed the NSTL Compatibility Test Program, which conducts an objective quality assurance test suite to verify correct operation, functionality, and compatibility of system products. "The NSTL standard testing methodologies assessed the compatibility of PAN3501UI at the NSTL/ALLION Labs testing facility. And, it shows that it is getting along great and operated correctly with various software applications and add-on devices under a variety of Operating Systems." cited from the NTSL Test Report. Accordingly, PAN3501UI fully meets NTSL Compatibility Test Standard and is able to carry the NTSL Seal.
8. Update History
Version V1.0 Update Creation, Preliminary 1st version Date 04/06/2005
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