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BU21029MUV Arkusz danych(PDF) 1 Page - Rohm |
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BU21029MUV Arkusz danych(HTML) 1 Page - Rohm |
1 / 29 page Datasheet 〇Product structure : Silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays . 1/26 TSZ02201-0Y1Y0F300110-1-2 © 2013 ROHM Co., Ltd. All rights reserved. 11.Nov.2013 Rev.004 TSZ22111 • 14 • 001 www.rohm.co.jp 4-wire Resistive Touch Screen Controller BU21029MUV ●Key Specifications ■ Power supply voltage ■ Temperature range ■ Standby current ■ Sleep current ■ Operating current ■ Coordinate resolution 1.65[V]~3.60[V] -20[℃]~85[℃] 1.0[uA] (Max.) 100[uA] (Typ.) 0.8[mA] (Typ.) 12bit ●General Description Unlike most resistive touch screen controllers, the BU21029MUV 4-wire resistive touch-screen controller can generate data that enables dual touch detection. The Host processor can use this data to detect single and dual point coordinates. ●Features ■ Single and dual touch detection for standard 4-wire resistive touch screens ■ I2C-like interface for interfacing with the host processor ■ 12-bit resolution ■ Single 1.65V to 3.60V supply ■ Power on reset ■ Auto power down control ■ Built-in clock oscillator circuit ●Package VQFN020V4040 4.00 mm x 4.00 mm x 1.00 mm ●Applications ■ Equipment with built-in user interface for 4-wire resistive touch screen ■ Portable information equipment like smart phones, tablets, and PDAs ■ Audio-visual equipment like digital still cameras, digital video cameras, and portable TVs ■ PCs or peripheral equipment like laptops, touch screen monitors, and printers ●Typical Application Circuit |
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