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Resistive
Rohm Semiconductor
Resistive
 
Semtech Corporation
Resistive

Resistive

Rohm's Data Acquisition product for Touch Screen applications

Rohm Semiconductor

Unlike most resistive touch screen controllers, the BU21023 4-wire resistive touch screen controller enables dual-touch detection and gesture recognition. This intelligent controllers expose a set of registers to a host processor and are software configurable.

Features
  • 4-wire resistive touch screen interface
  • 3.0V single power supply
  • 4-wire SPI interface / 2-wire serial interface
  • Selectable download way of CPU firmware (Host or EEPROM)
  • Two points and gesture detection
Specifications
  • Current - Supply:4mA ~ 800µA
  • Mounting Type:Surface Mount
  • Resolution (Bits):8 b ~ 12 b
  • Touchscreen:4 Wire Resistive
Parts

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BU21025GUL-E2BU21025GUL-E2IC SCREEN CNTRL 12BIT 12VCSP50L24 Wire Resistive12 bI²C-12-UFBGA, CSPBGARoHS
BU21026MUV-E2BU21026MUV-E2IC SCREEN CON 12BIT VQFN020V40404 Wire Resistive12 bSerialInternal20-VFQFN Exposed PadRoHS
BU21029GUL-E2BU21029GUL-E2IC SCREEN CNTRL 12BIT 16VCSP50L24 Wire Resistive12 bI²CExternal16-UFBGA, CSPBGARoHS
BU21029MUV-E2BU21029MUV-E2IC SCREEN CON 12BIT VQFN020V40404 Wire Resistive12 bI²CExternal20-VFQFN Exposed PadRoHS
BU21021GUL-E2BU21021GUL-E2IC SCREEN CNTRL 12BIT 24VCSP50L24 Wire Resistive12 bI²C, SPI-24-UFBGA, CSPBGARoHS
BU21024FV-ME2BU21024FV-ME2IC SCREEN CNTRL 8BIT 28SSOPB 4 Wire Resistive8 bI²C, SPIExternal, Internal28-LSSOP (0.220", 5.60mm Width)RoHS
BU21023MUV-E2BU21023MUV-E2IC SCREEN CNTRL 8BIT 28QFN 4 Wire Resistive8 bI²C, Serial, SPI-28-VFQFN Exposed PadRoHS

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