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STM32F103RBH7TR Datasheet(PDF) 35 Page - STMicroelectronics |
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STM32F103RBH7TR Datasheet(HTML) 35 Page - STMicroelectronics |
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35 / 92 page  STM32F103x8, STM32F103xB Electrical characteristics Doc ID 13587 Rev 11 35/92 5.3 Operating conditions 5.3.1 General operating conditions Table 7. Current characteristics Symbol Ratings Max. Unit IVDD Total current into VDD/VDDA power lines (source) (1) 1. All main power (VDD, VDDA) and ground (VSS, VSSA) pins must always be connected to the external power supply, in the permitted range. 150 mA IVSS Total current out of VSS ground lines (sink) (1) 150 IIO Output current sunk by any I/O and control pin 25 Output current source by any I/Os and control pin 25 IINJ(PIN) (2)(3) 2. IINJ(PIN) must never be exceeded. This is implicitly insured if VIN maximum is respected. If VIN maximum cannot be respected, the injection current must be limited externally to the IINJ(PIN) value. A positive injection is induced by VIN > VDD while a negative injection is induced by VIN < VSS. 3. Negative injection disturbs the analog performance of the device. See note in Section 5.3.17: 12-bit ADC characteristics. Injected current on NRST pin ± 5 Injected current on HSE OSC_IN and LSE OSC_IN pins ± 5 Injected current on any other pin(4) 4. When several inputs are submitted to a current injection, the maximum I INJ(PIN) is the absolute sum of the positive and negative injected currents (instantaneous values). These results are based on characterization with I INJ(PIN) maximum current injection on four I/O port pins of the device. ± 5 I INJ(PIN) (2) Total injected current (sum of all I/O and control pins)(4) ± 25 Table 8. Thermal characteristics Symbol Ratings Value Unit TSTG Storage temperature range –65 to +150 °C TJ Maximum junction temperature 150 °C Table 9. General operating conditions Symbol Parameter Conditions Min Max Unit fHCLK Internal AHB clock frequency 0 72 MHz fPCLK1 Internal APB1 clock frequency 0 36 fPCLK2 Internal APB2 clock frequency 0 72 VDD Standard operating voltage 2 3.6 V VDDA (1) Analog operating voltage (ADC not used) Must be the same potential as VDD (2) 23.6 V Analog operating voltage (ADC used) 2.4 3.6 VBAT Backup operating voltage 1.8 3.6 V |
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