STMPE812集成电路（IC）的触摸屏控制器规格书PDF中文资料

STMPE812属于集成电路（IC）的触摸屏控制器。由意法半导体集团制造生产的STMPE812触摸屏控制器触摸屏控制器是一种集成电路，可在触摸屏传感器阵列与屏幕操作的设备之间提供接口。该控制器从传感器阵列（通常是电阻式或电容式）接收位置信息。然后，位置信息又通过串行、并行、USB 或 UART 接口传递给微控制器。

特性 Features

■ 4 GPIOs (8 mA drive, 12 mA sink at 3.3 V)

■ 1 additional, general purpose 12-bit ADC

■ Operating voltage 1.65 - 3.6 V

■ Integrated 4-wire touchscreen controller, pendown/

real-time mode, fully-autonomous

■ 1 PWM controller

■ Auto-hibernation and low power

– Typ 0.5 μA in Hibernation mode

– Typ 100 μA in Active mode

■ Interrupt output pin (optional)

■ Reset input pin (optional)

■ Wake-up feature on each port configured as

GPIO input

■ I2C interface

■ 8 kV HBM, 1 kV CDM ESD protection on

X+/X-/Y+/Y-

■ 2 kV HBM, 250 V CDM ESD protection on all

other pins

Applications

■ Portable media players

■ Game consoles

■ Mobile and smart phones

描述 Description

The STMPE812 is a 4-wire resistive touchscreen

controller with 4-bit port expander integrated.

The touchscreen controller is designed to be fully

autonomous, requiring only minimal CPU

intervention for sampling, filtering and preprocessing

operations.