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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ST7LITEUS2 数据表(PDF) 82 Page - STMicroelectronics |
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ST7LITEUS2 数据表(HTML) 82 Page - STMicroelectronics |
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82 / 136 page  Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) On-chip peripherals ST7LITEUS2, ST7LITEUS5 82/136 10.3.5 Interrupts None. 10.3.6 Register description Control/Status register (ADCCSR) Reset value: 0000 0000 (00h) Note: A write to the ADCCSR register (with ADON set) aborts the current conversion, resets the EOC bit and starts a new conversion. 7 0 EOC SPEED ADON 0 0 CH2 CH1 CH0 Read/Write (Except bit 7 read only) Bit 7 EOC End of Conversion This bit is set by hardware. It is cleared by software reading the ADCDRH register. 0: Conversion is not complete 1: Conversion complete Bit 6 SPEED ADC clock selection This bit is set and cleared by software. It is used together with the SLOW bit to configure the ADC clock speed. Refer to the table in the SLOW bit description. Bit 5 ADON A/D Converter on This bit is set and cleared by software. 0: A/D converter is switched off 1: A/D converter is switched on Bits 4:3 Reserved. Must be kept cleared. Bits 2:0 CH[2:0] Channel Selection These bits are set and cleared by software. They select the analog input to convert. Table 32. Channel selection Channel pin CH2 CH1 CH0 AIN0 0 0 0 AIN1 0 0 1 AIN2 0 1 0 AIN3 0 1 1 AIN4 1 0 0 Obsolete Product(s) - Obsolete Product(s) |
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