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ST7LITEUS2 数据表(PDF) 99 Page - STMicroelectronics |
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ST7LITEUS2 数据表(HTML) 99 Page - STMicroelectronics |
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99 / 136 page  Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) ST7LITEUS2, ST7LITEUS5 Electrical characteristics 99/136 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 consumption, the two current values must be added (except for Halt mode for which the clock is stopped). Refer to Section 12.4.2: Internal RC oscillator supply current characteristics. TA = -40 to +125 °C unless otherwise specified. 12.4.1 Supply current Table 52. Supply current characteristics Symbol Parameter Conditions Typ Max Unit IDD Supply current in Run mode (1) fCPU = 4 MHz 2.5 4.5(2) mA fCPU = 8 MHz 5.0 7.5 Supply current in Wait mode(3) fCPU = 4 MHz 0.85 2.0(2) fCPU = 8 MHz 1.2 3.5 Supply current in Wait mode(4) fCPU/32 = 250 kHz 600 950 μA Supply current in Slow-Wait mode(5) fCPU/32 = 250 kHz 450 750 Supply current in AWUFH mode (6)(7) 45 100(2) Supply current in Active-halt mode 100 250 Supply current in Halt mode (8) TA = 85 °C 0.5 3.0 TA = 125 °C 0.5 5.0 Supply current in Run mode(1) fCPU = 4 MHz 1.30 2.0 (2) mA Supply current in Wait mode(3) fCPU = 4 MHz 0.36 0.5 (2) Supply current in Slow mode(4) fCPU/32 = 250 kHz 300 400(2) μA Supply current in Slow-wait mode (5) fCPU/32 = 250 kHz 250 350(2) Supply current in AWUFH mode(6)(7) 20 50 (2) Supply current in Active-halt mode 90 150(2) Supply current in Halt mode(8) TA = 85 °C 0.25 2.5 (2) TA = 125 °C 0.25 4.5 (2) 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. Data based on characterization, not tested in production. 3. 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. 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. 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. 6. 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. 7. This consumption refers to the Halt period only and not the associated run period which is software dependent. 8. 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. Obsolete Product(s) - Obsolete Product(s) |
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