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STMPE811 数据表(PDF) 8 Page - STMicroelectronics |
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STMPE811 数据表(HTML) 8 Page - STMicroelectronics |
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8 / 66 page  Pin configuration and functions STMPE811 8/66 Doc ID 14489 Rev 5 2.1 Pin functions The STMPE811 is designed to provide maximum features and flexibility in a very small pin- count package. Most of the pins are multi-functional. Table 3 and Table 4 show how to select the pin’s function. Table 3. Pin configuration for IN2, IN3 Pin / control register GPIO_AF = 1 GPIO_AF = 0 ADC control 1 bit 1 = don’t care ADC control 1 bit 1 = 0 ADC control 1 bit 1 = 1 IN0 GPIO-0 ADC IN1 GPIO-1 ADC IN2 GPIO-2 ADC External reference + IN3 GPIO-3 ADC External reference - Table 4. Pin configuration for X+, Y+, X-, Y- Pin / control register GPIO_AF = 1 GPIO_AF = 0 TSC control 1 bit 0 = don’t care TSC control 1 bit 0 = 0 TSC control 1 bit 0 = 1 X+ GPIO-4 ADC TSC X+ Y+ GPIO-5 ADC TSC Y+ X- GPIO-6 ADC TSC X- Y- GPIO-7 ADC TSC Y- |
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