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STM8AF/P6389 数据表(PDF) 65 Page - STMicroelectronics |
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STM8AF/P6389 数据表(HTML) 65 Page - STMicroelectronics |
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65 / 116 page  DocID031156 Rev 1 65/116 STM8AF6388 Electrical characteristics 114 Current consumption for on-chip peripherals Table 25. Total current consumption in Halt and Active-halt modes. General conditions for VDD applied. TA = −40 °C to 55 °C unless otherwise stated Symbol Parameter Conditions Typ Max Unit Main voltage regulator (MVR)(1) Flash mode(2) Clock source and temperature condition IDD(H) Supply current in Halt mode Off Power- down Clocks stopped 105 135(3) µA Clocks stopped, TA = 25 °C 105 125 IDD(AH) Supply current in Active-halt mode with regulator on On Power- down External clock 16 MHz fMASTER = 125 kHz 870 1000(3) LSI clock 128 kHz 250 330(3) Supply current in Active-halt mode with regulator off Off Power- down LSI clock 128 kHz 125 142(3) LSI clock 128 kHz, TA = 25 °C 125 130 tWU(AH) Wakeup time from Active-halt mode with regulator on On Operating mode TA =−40 to 150 °C 10 30(3) µs Wakeup time from Active-halt mode with regulator off Off 50 80(3) 1. Configured by the REGAH bit in the CLK_ICKR register. 2. Configured by the AHALT bit in the FLASH_CR1 register. 3. Guaranteed by characterization results, not tested in production. Table 26. Oscillator current consumption Symbol Parameter Conditions Typ Max(1) Unit IDD(OSC) HSE oscillator current consumption(2) Quartz or ceramic resonator, CL = 33 pF VDD = 5 V fOSC = 24 MHz 1 2.0(3) mA fOSC = 16 MHz 0.6 - fOSC = 8 MHz 0.57 - IDD(OSC) HSE oscillator current consumption(2) Quartz or ceramic resonator, CL = 33 pF VDD = 3.3 V fOSC = 24 MHz 0.5 1.0(3) fOSC = 16 MHz 0.25 - fOSC = 8 MHz 0.18 - 1. During startup, the oscillator current consumption may reach 6 mA. 2. The supply current of the oscillator can be further optimized by selecting a high quality resonator with small Rm value. Refer to crystal manufacturer for more details 3. Informative data. |
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