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BU21024FV-M Arkusz danych(PDF) 1 Page - Rohm

Numer części BU21024FV-M
Szczegółowy opis  Resistive Type Touch Screen Controller ICs
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Producent  ROHM [Rohm]
Strona internetowa  http://www.rohm.com
Logo ROHM - Rohm

BU21024FV-M Arkusz danych(HTML) 1 Page - Rohm

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Datasheet
○Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays
.
1/16
TSZ02201-0L5L0F300190-1-2
© 2014 ROHM Co., Ltd. All rights reserved.
31.Mar.2014 Rev.003
TSZ22111・14・001
www.rohm.com
Resistive Type Touch Screen Controller ICs
BU21024FV-M
General Description
Unlike most resistive touch screen controllers, the
BU21024
4-wire
resistive
touch
screen
controller
enables dual-touch detection and gesture recognition.
These intelligent controllers expose a set of registers to
a HOST processor and are configured through software.
The controllers can detect single point coordinates, dual
coordinates, pinch, spread, rotate left and rotate right
gestures,
enabling
pan
and
zoom
operations
in
applications that previously had to rely exclusively on
capacitive touch technology.
Resistive touch does not
require custom screen development which reduces
development cost, and results in faster time to market
across a family of products.
Features
Enables single touch, dual touch & gesture
recognition using standard 4-wire resistive touch
screens
Adjustable touch detection threshold allows fine
tuning of pressure sensitivity for an application
Enables measurement of single point touch
pressure
SPI- and I
2C interface for interfacing to HOST
processor
Programmable interrupt polarity
10-bit ADC provides sufficient resolution for finger
or stylus inputs
Firmware for internal CPU may be downloaded
from HOST processor or from an EEPROM
Includes filtering options to eliminate false
coordinates
Built in support for intelligent calibration
Easy to swap X & Y coordinates or adapt to
different touch screen connections
Single 3V power supply
Available in small packages and temperature
ranges
Ideally suited for large volume automotive,
consumer, and industrial applications
AEC-Q100 Qualified
Packages
W(Typ) x D(Typ) x H(Max)
SSOP-B28
10.0mm x 7.60mm x 1.35mm
Applications
Products with an LCD can benefit from pan and
zoom operations.
Smart phones, Digital Cameras, Video Cameras,
GPS Receivers, Printers,
Copiers, automotive navigation screens, touch
kiosks
Tablet PCs , Notebook computers, LCD displays
(with USB interface)
Car navigation system, Car Audio
Key Specifications and Lineup
Parameter
BU21024FV-M
Screen
4-wire resistive
touch screens
Maximum Detection Point
2
Integrated Filter Process
Yes
Gesture Detection
Yes
Supplied Voltage Range(V)
2.7 to 3.6
Temperature Range(°C)
-40 to +85
Host I/F
4-wire SPI
2-wire serial
Pakage
SSOP-B28


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