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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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9202 数据表(PDF) 68 Page - STMicroelectronics |
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9202 数据表(HTML) 68 Page - STMicroelectronics |
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68 / 175 page  UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV 68/175 Figure 30. Serial Port Mode 1, Waveforms Figure 31. Serial Port Mode 2, Block Diagram AI06843 Write to SBUF Data Shift TxD T1 Rx Clock RxD Bit Detector Sample Times Shift RI S1P1 ÷16 Reset Receive Transmit D0 D1 D2 D3 D4 D5 D6 D7 Send Tx Clock Start Bit Stop Bit D0 D1 D2 D3 D4 D5 D6 D7 Start Bit Stop Bit AI06844 Zero Detector Internal Bus Tx Control Rx Control Internal Bus SBUF Write to SBUF Read SBUF Load SBUF SBUF Input Shift Register Shift Serial Port Interrupt Rx Clock Start Tx Clock Start Shift Shift Send Load SBUF TI RI CL DS Q 1FFh TxD Data Rx Detector RxD 1-to-0 Transition Detector ÷16 Sample ÷16 ÷2 TB8 Phase2 Clock 1/2*fOSC 01 SMOD |
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