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PDF ADNS-2030 Data sheet ( Hoja de datos )
| Número de pieza | ADNS-2030 | |
| Descripción | Low Power Optical Mouse Sensor | |
| Fabricantes | Avago | |
| Logotipo |  |
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ADNS-2030
Low Power Optical Mouse Sensor
Data Sheet
Description
The ADNS-2030 is a low-power optical mouse sensor used
to implement a non-mechanical tracking engine for com-
puter mice. With a 3.3 V power supply and power-saving
sleep functions, this sensor is particularly suited to cord-
less mouse applications.
It is based on optical navigation technology, which mea-
sures changes in position by optically acquiring sequen-
tial surface images (frames) and mathematically deter-
mining the direction and magnitude of movement.
The sensor is housed in a 16-pin staggered dual inline pack-
age (DIP) that is designed for use with the HDNS‑2100 Lens
and HDNS‑2200 Clip and HLMP-ED80-XX000 (639 nm LED
illuminator source). There are no moving parts, and precision
optical alignment is not required, facilitating high volume
assembly.
The output format is two channel quadrature (X and Y direc-
tion) which emulates encoder photo-transistors. The current
X and Y information are also available in registers accessed
via a serial port.
Default resolution is specified as 400 counts per inch,
with rates of motion up to 14 inches per second. Resolu-
tion can also be programmed to 800 cpi.
The part is programmed via a two wire serial port,
through registers.
Theory of Operation
The ADNS-2030 is based on Optical Navigation Technol-
ogy. It contains an Image Acquisition System (IAS), a Digi-
tal Signal Processor (DSP) and a two channel quadrature
output, and a two wire serial port.
The IAS acquires microscopic surface images via the lens
and illumination system provided by the HDNS-2100,
HDNS-2200 and HLMP-ED80-XX000. These images are
processed by the DSP to determine the direction and dis-
tance of motion. The DSP generates the ∆x and ∆y relative
displacement values that are converted to two channel
quadrature signals.
Features
• Precise optical navigation technology
• No mechanical moving parts
• Complete 2D motion sensor
• Serial interface and/or quadrature interface
• Smooth surface navigation
• Programmable frame speed up to 2300 frames per
sec (fps)
• Accurate motion up to 14 ips
• 800 cpi resolution
• High reliability
• High speed motion detector
• Wave solderable
• Single 3.3 volt power supply
• Shutdown pin for USB suspend mode operation
• Power conservation mode during times of no move-
ment
• On chip LED drive with regulated current
• Serial port registers
– Programming
– Data transfer
• 16-pin staggered dual inline package (DIP)
Applications
• Cordless optical mice
• Mice for desktop PCs, workstations, and portable PCs
• Trackballs
• Integrated input devices
1 page  
LM3352
ADNS-2030
3.0 Volt µC
CYPRESS
CY7C63723A-PC
5 Page 
Quadrature Mode Timing
The output waveforms emulate the output from encod-
ers. With the resolution set to 400 cpi, from one to five
quadrature states can exist within one frame time. The
minimum state time is 133 µs. If the resolution is 800 cpi,
then up to ten quadrature states can exist within a frame
time. If the motion within a frame is greater than these
values, the extra motion will be reported in the next frame.
The following diagrams (see Figures 15, 16 and 17) show
the timing for positive X motion, to the right, or positive Y
motion, up. If a power down via the PD pin occurs during
a transfer, the transfer will resume after PD is de-asserted.
The timing for that quadrature state will be increased by
the length of the PD time.
X motion to the right
Y motion up
FIVE OR MORE
XA / YA
XB / YB
133 � s
133 � s
133 � s
133 � s
133 � s
FOUR
XA / YA
XB / YB
133 � s
133 � s
133 � s
267 � s
THREE
XA / YA
XB / YB
133 � s
133 � s
400 � s
TWO
XA / YA
XB / YB
133 � s
533 � s
XA / YA
ONE
XB / YB
Figure 15. Quadrature states per frame (400 cpi mode).
667 � s
~667 � s @ 1500 frames/second
One Frame
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ADNS-2030.PDF ] | |
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