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BU21024FV-M bảng dữ liệu(PDF) 1 Page - Rohm |
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1 / 20 page 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 |
Số phần tương tự - BU21024FV-M |
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Mô tả tương tự - BU21024FV-M |
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