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STM32U385CG Datasheet(PDF) 135 Page - STMicroelectronics |
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STM32U385CG Datasheet(HTML) 135 Page - STMicroelectronics |
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135 / 224 page  Symbol Parameter Conditions Min Typ Max Unit IDD(MSI OFF PLLFAST)(3) MSI PLL mode oscillator power consumption when disabled with PLL accuracy retention SMPS MSIPLLEN = 1 and MSIPLLFAST = 1 MSI Range 0 to 3, CKIN = 32.768 kHz µA - 14 - MSI Range 4 to 7 - 6.5 - IDD(MSI)(3) MSI oscillator power consumption when ON in continuous mode (voltage scaling Range 1 ) LDO - MSI Range 0 to 3 - 32 + 0.7 µA/MH z - µA MSI Range 4 to 7 - 24 + 0.5 µA/MH z - SMPS - MSI Range 0 to 3 - 28 + 0.2 µA/MH z - µA MSI Range 4 to 7 - 23.3 + 0.15 µA/M Hz - - MSI oscillator power consumption when ON in sampling mode (voltage scaling Range 2 and Stop modes) LDO - MSI Range 0 to 3 - 12 + 0.7 µA/MH z - µA MSI Range 4 to 7 - 4 + 0.5 µA/MH z - SMPS - MSI Range 0 to 3 - 8 + 0.2 µA/MH z - µA MSI Range 4 to 7 - 3.3 + 0.15 µA/M Hz - 1. Tested in production 2. In PLL mode, the MSI accuracy is the LSE crystal accuracy. 3. Specified by design. Not tested in production. 4. This is a deviation for an individual part once the initial frequency has been measured. 5. The MSI startup time is the time when the four MSIRC are in power down. 6. This delay is the time to switch from one MSIRC to another one. In case the destination MSIRC is in power down, the total delay is tsu(MSI) + tswitch(MSI). 7. When the source and destination clocks are generated from the same MSIRCx (x=0, 1). High-speed internal 48 MHz (HSI48) RC oscillator Table 77. HSI48 oscillator characteristics Symbol Parameter Conditions Min Typ Max Unit fHSI48 HSI48 frequency after factory calibration VDD = 3.0 V, TJ = 30 °C 47.5 48 48.5 MHz TRIM(1) User trimming step - - 0.12 0.18 % USER TRIM COVERAGE(2) User trimming coverage ±63 steps ±4.5 ±7.56 - DuCy(HSI48)(1) Duty cycle - 45 - 55 ACCHSI48_REL (2) Accuracy of the HSI48 oscillator over temperature (factory calibrated)(3) Reference is 3 V and 30 °C. 1.58 V ≤ VDD ≤ 3.6 V, TJ = –40 to 110 °C -3 - 2 STM32U385xx Electrical characteristics DS14830 - Rev 2 page 135/224 |
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