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数据搜索系统，热门电子元器件搜索 |
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ST7232A 数据表(PDF) 119 Page - STMicroelectronics |
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ST7232A 数据表(HTML) 119 Page - STMicroelectronics |
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119 / 157 page  ST7232A 119/157 SUPPLY CURRENT CHARACTERISTICS (Cont’d) 12.4.3 On-Chip Peripherals TA = 25°C fCPU=4MHz. Notes: 1. Data based on a differential IDD measurement between reset configuration (timer counter running at fCPU/4) and timer counter stopped (only TIMD bit set). Data valid for one timer. 2. Data based on a differential IDD measurement between reset configuration (SPI disabled) and a permanent SPI master communication at maximum speed (data sent equal to 55h). This measurement includes the pad toggling consump- tion. 3. Data based on a differential IDD measurement between SCI low power state (SCID=1) and a permanent SCI data trans- mit sequence. 4. Data based on a differential IDD measurement between reset configuration and continuous A/D conversions. Symbol Parameter Conditions Typ Unit IDD(TIM) 16-bit Timer supply current 1) VDD=5.0V 50 µA IDD(SPI) SPI supply current 2) VDD=5.0V 400 IDD(SCI) SCI supply current 3) VDD=5.0V 400 IDD(ADC) ADC supply current when converting 4) VDD=5.0V 400 1 |
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