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ST72F321 数据表(PDF) 143 Page - STMicroelectronics |
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ST72F321 数据表(HTML) 143 Page - STMicroelectronics |
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143 / 189 page  ST72321 143/189 12.4 SUPPLY CURRENT CHARACTERISTICS The following current consumption specified for the ST7 functional operating modes over temperature range does not take into account the clock source current consumption. To get the total device consump- tion, the two current values must be added (except for HALT mode for which the clock is stopped). 12.4.1 CURRENT CONSUMPTION Notes: 1. Data based on characterization results, tested in production at VDD max. and fCPU max. 2. Measurements are done in the following conditions: - Program executed from RAM, CPU running with RAM access. The increase in consumption when executing from Flash is 50%. - All I/O pins in input mode with a static value at VDD or VSS (no load) - All peripherals in reset state. - CSS and LVD disabled. - Clock input (OSC1) driven by external square wave. - In SLOW and SLOW WAIT mode, fCPU is based on fOSC divided by 32. To obtain the total current consumption of the device, add the clock source (Section 12.4.2) and the peripheral power consumption (Section 12.4.3). 3. All I/O pins in push-pull 0 mode (when applicable) with a static value at VDD or VSS (no load), LVD disabled. Data based on characterization results, tested in production at VDD max. and fCPU max. 4. Data based on characterisation results, not tested in production. All I/O pins in push-pull 0 mode (when applicable) with a static value at VDD or VSS (no load); clock input (OSC1) driven by external square wave, LVD disabled. To obtain the total current consumption of the device, add the clock source consumption (Section 12.4.2). Symbol Parameter Conditions Flash Devices ROM Devices Unit Typ Max 1) Typ Max 1) IDD Supply current in RUN mode 2) fOSC=2MHz, fCPU=1MHz fOSC=4MHz, fCPU=2MHz fOSC=8MHz, fCPU=4MHz fOSC=16MHz, fCPU=8MHz 1.3 2.0 3.6 7.1 3.0 5.0 8.0 15.0 1.3 2.0 3.6 7.1 2.0 3.0 5.0 10.0 mA Supply current in SLOW mode 2) fOSC=2MHz, fCPU=62.5kHz fOSC=4MHz, fCPU=125kHz fOSC=8MHz, fCPU=250kHz fOSC=16MHz, fCPU=500kHz 600 700 800 1100 2700 3000 3600 4000 600 700 800 1100 1800 2100 2400 3000 µA Supply current in WAIT mode 2) fOSC=2MHz, fCPU=1MHz fOSC=4MHz, fCPU=2MHz fOSC=8MHz, fCPU=4MHz fOSC=16MHz, fCPU=8MHz 1.0 1.5 2.5 4.5 3.0 4.0 5.0 7.0 1.0 1.5 2.5 4.5 1.3 2.0 3.3 6.0 mA Supply current in SLOW WAIT mode 2) fOSC=2MHz, fCPU=62.5kHz fOSC=4MHz, fCPU=125kHz fOSC=8MHz, fCPU=250kHz fOSC=16MHz, fCPU=500kHz 580 650 770 1050 1200 1300 1800 2000 70 100 200 350 200 300 600 1200 µA Supply current in HALT mode 3) -40°C ≤T A≤+85°C <1 10 <1 10 µA -40°C ≤T A≤+125°C <1 50 <1 50 IDD Supply current in ACTIVE-HALT mode 4) fOSC=2MHz fOSC=4MHz fOSC=8MHz fOSC =16MHz 80 160 325 650 No max. guaran- teed 80 160 325 650 No max. guar- anteed µA |
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