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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TL16C752C Fiches technique(PDF) 8 Page - Texas Instruments |
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TL16C752C Fiches technique(HTML) 8 Page - Texas Instruments |
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8 / 52 page  Serial to Parallel Flow Control Parallel to Serial Flow Control RX FIFO TX FIFO Parallel to Serial Flow Control Serial to Parallel Flow Control TX FIFO RX FIFO D7- D0 D7- D0 UART 1 UART 2 RX RTS TX CTS TX CTS RX RTS TL16C752C SLLS646A – MARCH 2008 – REVISED AUGUST 2009 .................................................................................................................................................... www.ti.com A. When CTS is low, the transmitter keeps sending serial data out. B. When CTS goes high before the middle of the last stop bit of the current byte, the transmitter finishes sending the current byte, but it does not send the next byte. C. When CTS goes from high to low, the transmitter begins sending data again. Figure 2. CTS Functional Timing Figure 3. Autoflow Control (Auto-RTS and Auto-CTS) Example Software Flow Control Software flow control is enabled through the enhanced feature register and the modem control register. Different combinations of software flow control can be enabled by setting different combinations of EFR[3 −0]. Table 1 shows software flow control options. Two other enhanced features relate to S/W flow control: • Xon Any Function [MCR(5): Operation resumes after receiving any character after recognizing the Xoff character. NOTE It is possible that an Xon1 character is recognized as an Xon Any character, which could cause an Xon2 character to be written to the RX FIFO. • Special Character [EFR(5)]: Incoming data is compared to Xoff2. Detection of the special character sets the Xoff interrupt {IIR(4)] but does not halt transmission. The Xoff interrupt is cleared by a read of the IIR. The special character is transferred to the RX FIFO. 8 Submit Documentation Feedback Copyright © 2008–2009, Texas Instruments Incorporated Product Folder Link(s): TL16C752C |
Numéro de pièce similaire - TL16C752C_09 |
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Description similaire - TL16C752C_09 |
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