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TSC2046单片机研究与解密

时间:2011-05-03 08:31:10

芯片解密过程中,对芯片结构及加解密特征进行技术分析是工程师的必修课,只有充分了解芯片内部结构原理,工程师才能准确进行方案开发,确定最可靠、成功率最高的解密方案,最大限度确保解密项目的安全可靠。
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TSC2046芯片简介与特点:
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 appli-cations to the new version. The TSC2046 also has an on-chip 2.5V reference that can be used for the auxiliary input,battery monitor, and temperature measurement modes. The reference can also be powered down when not used to conserve power. The internal reference operates down to
2.7V supply voltage, while monitoring the battery voltage from 0V to 6V.
FEATURES
· 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
TM AND SPI
TM 3-WIRE INTERFACE
· AUTO POWER-DOWN
· AVAILABLE IN TSSOP-16, QFN-16, AND VFBGA-48 PACKAGES

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