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ST7LITEUSX 数据表(PDF) 73 Page - STMicroelectronics |
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ST7LITEUSX 数据表(HTML) 73 Page - STMicroelectronics |
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73 / 108 page  ST7LITEUSx 73/108 12.4 SUPPLY CURRENT CHARACTERISTICS The following current consumption specified for the ST7 functional operating modes over tempera- ture range does not take into account the clock source current consumption. To get the total de- vice consumption, the two current values must be added (except for HALT mode for which the clock is stopped). 12.4.1 Supply Current TA = -40 to +125°C unless otherwise specified Notes: 1. CPU running with memory access, all I/O pins in input mode with a static value at VDD or VSS (no load), all peripherals in reset state; clock input (CLKIN) driven by external square wave, LVD disabled. 2. All I/O pins in input mode with a static value at VDD or VSS (no load), all peripherals in reset state; clock input (CLKIN) driven by external square wave, LVD disabled. 3. SLOW mode selected with fCPU based on fOSC divided by 32. All I/O pins in input mode with a static value at VDD or VSS (no load), all peripherals in reset state; clock input (CLKIN) driven by external square wave, LVD disabled. 4. SLOW-WAIT mode selected with fCPU based on fOSC divided by 32. All I/O pins in input mode with a static value at VDD or VSS (no load), all peripherals in reset state; clock input (CLKIN) driven by external square wave, LVD disabled. 5. All I/O pins in input mode with a static value at VDD or VSS (no load). Data tested in production at VDD max. and fCPU max. 6. This consumption refers to the Halt period only and not the associated run period which is software dependent. 7. All I/O pins in output mode with a static value at VSS (no load), LVD disabled. Data based on characterization results, tested in production at VDD max and fCPU max. 8. Data based on characterization, not tested in production. Symbol Parameter Conditions Typ Max Unit IDD Supply current in RUN mode 1) fCPU = 4MHz 2.5 5.0 mA fCPU = 8MHz 5.0 9.0 Supply current in WAIT mode 2) fCPU = 4MHz 1.0 2.5 fCPU = 8MHz 1.5 4.0 Supply current in SLOW mode 3) fCPU/32 = 250kHz 650 1100 µA Supply current in SLOW-WAIT mode 4) fCPU/32 = 250kHz 500 900 Supply current in AWUFH mode 5)6) 40 120 8) Supply current in ACTIVE HALT mode 100 250 Supply current in HALT mode 7) 0.5 3 Supply current in RUN mode 1) fCPU = 4MHz 1.5 4.0 8) mA Supply current in WAIT mode 2) fCPU = 4MHz 0.5 2.5 8) Supply current in SLOW mode 3) fCPU/32 = 250kHz 350 700 8) µA Supply current in SLOW-WAIT mode 4) fCPU/32 = 250kHz 285 600 8) Supply current in AWUFH mode 5)6) 15 80 8) Supply current in ACTIVE HALT mode 70 200 Supply current in HALT mode 7) 0.25 3 8) 1 |
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