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PDF AMRI-1000 Data sheet ( Hoja de datos )
| Número de pieza | AMRI-1000 | |
| Descripción | Mobile Navigation Interface IC | |
| Fabricantes | AVAGO TECHNOLOGIES | |
| Logotipo |  |
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AMRI-1000
Mobile Navigation Interface IC for Navigation Pad Module
Data Sheet
Description
The AMRI-1000 is a low power multi mode navigation
sense and interface IC designed for use with the AMRS
and AMRT series of navigation pad modules to provide a
mouse-like pointing solution for mobile applications.
www.DataSheet4IUn.caodmdition to mouse-like navigation, the AMRI-1000
combined with AMRS/AMRT navigation pads can be
configured to operate as a four or eight-way switch, a
joystick and a scroll wheel like input device. The IC also
supports combination of mouse and joystick modes for
new navigation experience of e.g. web pages providing
precise link selection with fast panning of web pages.
The operating mode can be dynamically reconfigured
to provide the best user navigation experience for any
active application. For example, the user may select
joystick mode for a game and scroll wheel mode for
phone book scrolling, while menu navigation is done
with the backward compatible 4-way switch mode –
always optimized and user configurable for any applica-
tion.
Versus competing solutions, the AMRI-1000 combined
with Avago’s AMRS/AMRT series navigation pads is
unique in its ability to provide superior tactile feedback
as well as multiple intuitive to use operating modes in a
compact form factor.
Theory of Operation
The AMRS/AMRT series navigation pads are capacitance-
based sensor modules. A sliding disk is held at a center
position by a patent pending pseudo-spring system
when the pointer is not being used. Cursor navigation is
activated when contact with the slider is sensed.
The sliding disk may be moved in any direction with
excellent tactile feedback provided by the pseudo-spring
system. The on-screen pointer tracks the movement of
the sliding disk providing a mobile navigation experi-
ence similar to that provided by a PC mouse.
A selection or clicking operation can be performed by
fully depressing the sliding disk. A dome switch provides
tactile feedback for this operation.
The IC is built in a TQFN package and provides its own
internal clock.
Features
• 360 degree navigation
• Superior tactile response
• Integrated selection switch with tactile feedback
moving with disk
• Dynamically Reconfigurable Multimode operation:
Mouse mode,
Analog Joystick mode,
Hybrid Mouse/Joystick mode,
4-way / 8-way rocker switch emulation modes,
Scroll wheel mode
• Up to 250Hz screen update rate
• Internal clock
• 7 mW operating power1 (footnote: with 25% run rate
while navigating)
• 200 uW standby power with wake on motion2
(footnote: with 1 Hz sampling rate)
• 30 µW power in shutdown mode
• 2.8V Supply Voltage
• 1.8V or 2.8V I/O Voltage
• Compact form factor in standard TQFN package
• Two-wire serial interface or 4-wire SPI interface
(selectable)
Applications
• Mobile Phones and Smart Phones
• Computer Peripherals
• Remote Controls
• PDAs, Sub-Notebook and Laptop PCs
• Mobile Multimedia Players
• Video Game Controllers
Component Image
1 page  
DC Electrical Specifications
Electrical Characteristics over recommended operating conditions. Typical values at 25 °C, VDD = 2.8 V, Default register values
Parameter
System Current, run mode
System current,
rest modes
Symbol
IDD5
IREST
Min.
Rest1
Rest2
Rest3
www.DataSheet4SUy.scteommCurrent, shutdown
Resolution
IDD5N
RES
200
Input/Output Input High Voltage VIH
Levels Input Low Voltage VIL
Output High Voltage VOH
Output Low Voltage VOL
Output Low Current IOL
Output High Current IOH
Input Leakage Current
Input Offstate Leakage Current
-0.6
-0.3
-0.2
0
-1.2
0.6
Typ. Max.
Units
8 12
mA
Vdd=2.8V, Vdd/Vddio = 3.3V
Vddio=1.8/2.8V
4.0/4.1
5
mA
0.5/0.6
0.9
mA
0.07/0.07
0.08
1000
0.1
1.6
mA
µA
counts
0.3
0.6
0
0.2
1.9 9.4
0.02 0.04
V
V
V
V
mA
mA
uA
uA
Notes
NAVG = 0x20
Wakeup time ~20ms, Register 0x26 set to 0x05
Wakeup time ~100ms, Register 0x2A default value
0x1D
Wakeup time ~1s, Register 0x2E default value 0xFF
200 counts over full mechanical movement. +/-3mm
slider travel is ~ 840 cpi resolution. DPISCALE
register can increase effective cpi.
Voltage is relative to Vddio (0.65 Vddio per Jedec87)
Voltage is relative to ground (0.35 Vddio per Jedec87)
Voltage is relative to Vddio (per Jedec87)
Voltage is relative to ground (per Jedec87)
at Vol
at Voh
AC Electrical Specifications
Electrical Characteristics over recommended operating conditions. Typical values at 25 °C, VDD=2.8 V
Parameter
Power up delay
Motion refresh rate
Two-Wire Interface Speed
4-wire SPI Interface speed
Symbol Min. Typ. Max. Units
TPUP 25 ms
Frefresh
250 Hz
400 kHz
2 MHz
Notes
From the time VDD reaches 2.8V until normal operation
5 Page | ||
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| PDF Descargar | [ Datasheet AMRI-1000.PDF ] | |
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