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STM32F107VC 数据表(PDF) 73 Page - STMicroelectronics |
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STM32F107VC 数据表(HTML) 73 Page - STMicroelectronics |
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73 / 103 page ![]() STM32F105xx, STM32F107xx Electrical characteristics Doc ID 15274 Rev 6 73/104 CAN (controller area network) interface Refer to Section 5.3.12: I/O current injection characteristics for more details on the input/output alternate function characteristics (CANTX and CANRX). 5.3.17 12-bit ADC characteristics Unless otherwise specified, the parameters given in Table 52 are derived from tests performed under the ambient temperature, fPCLK2 frequency and VDDA supply voltage conditions summarized in Table 9. Note: It is recommended to perform a calibration after each power-up. Table 51. Dynamic characteristics: Ethernet MAC signals for MII Symbol Rating Min Typ Max Unit tsu(RXD) Receive data setup time 10 ns tih(RXD) Receive data hold time 10 ns tsu(DV) Data valid setup time 10 ns tih(DV) Data valid hold time 10 ns tsu(ER) Error setup time 10 ns tih(ER) Error hold time 10 ns td(TXEN) Transmit enable valid delay time 14 16 18 ns td(TXD) Transmit data valid delay time 13 16 20 ns Table 52. ADC characteristics Symbol Parameter Conditions Min Typ Max Unit VDDA Power supply 2.4 3.6 V VREF+ Positive reference voltage 2.4 VDDA V IVREF Current on the VREF input pin 160(1) 220(1) µA fADC ADC clock frequency 0.6 14 MHz fS (2) Sampling rate 0.05 1 MHz fTRIG (2) External trigger frequency fADC = 14 MHz 823 kHz 17 1/fADC VAIN Conversion voltage range(3) 0 (VSSA or VREF- tied to ground) VREF+ V RAIN (2) External input impedance See Equation 1 and Table 53 for details 50 k Ω RADC (2) Sampling switch resistance 1 k Ω CADC (2) Internal sample and hold capacitor 8 pF tCAL (2) Calibration time fADC = 14 MHz 5.9 µs 83 1/fADC |
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