tsc2046触摸ICTSC2046 SBAS265E OCTOBER 2002 REVISED NOVEMBER 2005 Low Voltage I/O TOUCH SCREEN CONTROLLER FEATURES D D D D D D D D D D SAME PINOUT AS ADS7846 2.2V TO 5.25V OPERATION 1.5V TO 5.25V DIGITAL I/O INTERNAL 2.5V REFERENCE DIRECT BATTERY MEASUREMENT (0V TO 6V) ON-CHIP TEMPERATURE MEASUREMENT TOUCH-PRESSURE MEASUREMENT QSPI AND SPI 3-WIRE INTERFACE AUTO POWER-DOWN AVAILABLE IN TSSOP-16, QFN-16, AND VFBGA-48 PACKAGES DESCRIPTION The TSC2046 is a next-generation version to the ADS7846 4-wire touch screen controller which supports a low-voltage I/O interface from 1.5V to 5.25V. The TSC2046 is 100% pin-compatible with the existing ADS7846, and will drop into the same socket. This allows for easy upgrade of current applications to the new version. The TSC2046 also has an on-chip 2.5V reference t……