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BU21049GUL

ROHM

4-wire Resistive Touch Screen Controller

BU21049GUL 4-wire Resistive Touch Screen Controller BU21049GUL ●General Description Unlike most resistive touch screen...


ROHM

BU21049GUL

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Description
BU21049GUL 4-wire Resistive Touch Screen Controller BU21049GUL ●General Description Unlike most resistive touch screen controllers, the BU21049GUL 4-wire resistive touch-screen controller generate data to enable dual touch detection. The Host processor can use data to detect single point coordinates and dual coordinates. ●Features ■ Enables single touch and dual touch using standard 4-wire resistive touch screen ■ I2C like interface for interfacing to the host processor ■ 12-bit Resolution ■ Single 1.65V to 3.60V Supply. ■ Power on reset ■ Auto power down control ■ Built-in clock oscillation circuit ●Typical Application Circuits ●Key Specifications ■ Power supply voltage ■ Temperature range ■ Standby current ■ Sleep current ■ Operating current ■ Coordinate resolution 1.65V~3.6.0V -20[℃]~85[℃] 1.0uA (Max.) 100uA (Typ.) 0.8mA(Typ.) 12bit ●Packages VCSP50L2 2.00 ㎜ × 2.00 ㎜ × 0.55(max) ㎜ ●Applications ■ Equipment with a built i...




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