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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32G031F6 датащи(PDF) 91 Page - STMicroelectronics |
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STM32G031F6 датащи(HTML) 91 Page - STMicroelectronics |
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91 / 117 page  DS12992 Rev 2 91/117 STM32G031x4/x6/x8 Electrical characteristics 92 Figure 31. I2S master timing diagram (Philips protocol) 1. Based on characterization results, not tested in production. 2. LSB transmit/receive of the previously transmitted byte. No LSB transmit/receive is sent before the first byte. USART characteristics Unless otherwise specified, the parameters given in Table 70 for USART are derived from tests performed under the ambient temperature, fPCLKx frequency and supply voltage conditions summarized in Table 21: General operating conditions. The additional general conditions are: • OSPEEDRy[1:0] set to 10 (output speed) • capacitive load C = 30 pF • measurement points at CMOS levels: 0.5 x VDD Refer to Section 5.3.14: I/O port characteristics for more details on the input/output alternate function characteristics (NSS, CK, TX, and RX for USART). MSv39720V1 CPOL = 0 CPOL = 1 tc(CK) WS output SDreceive SDtransmit tw(CKH) tw(CKL) tsu(SD_MR) tv(SD_MT) th(SD_MT) th(WS) th(SD_MR) MSB receive Bitn receive LSB receive MSB transmit Bitn transmit LSB transmit tf(CK) tr(CK) tv(WS) LSB receive(2) LSB transmit(2) 10% 90% Table 70. USART characteristics Symbol Parameter Conditions Min Typ Max Unit fCK USART clock frequency Master mode - - 8 MHz Slave mode - - 21 |
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