Texas Instruments TMS320DM643X DMP manual Submit Documentation Feedback

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2	SPRU997C –December 2009
	Submit Documentation Feedback

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Contents Users Guide Submit Documentation Feedback Revision History Appendix aList of Figures List of Tables Read This First Features Purpose of the PeripheralFeature Support Functional Block DiagramUart Supported Features/Characteristics by Instance Industry Standards Compliance StatementUart Block Diagram FifoDlhdll Clock Generation and ControlUart BclkStart Parity STOP1 STOP2 Baud Rate Divisor Value Actual Baud Rate Error %Baud Rate Examples for 27 MHz Uart Input Clock Protocol Description Signal DescriptionsPin Multiplexing Parity STOP1 Endianness ConsiderationsData Format ParityOperation Character Time Four Character Times Fifo ModesCharacter Time for Word Lengths Uart Interface Using Autoflow Diagram Autoflow ControlAutoflow Functional Timing Waveforms for RTS Loopback ControlInterrupt Support Reset ConsiderationsInitialization Uart Interrupt Request Interrupt Source Enable bitsUart Interrupt Requests Descriptions CommentEmulation Considerations Power ManagementDMA Event Support Divisor Latch Not Programmed Changing Operating Mode During Busy Serial CommunicationException Processing Uart RegistersReceiver Buffer Register RBR Field Descriptions Access considerationsReceiver Buffer Register RBR Bit FieldBit Field Value Description Transmitter Holding Register THRTransmitter Holding Register THR Field Descriptions Elsi Etbei Erbi Interrupt Enable Register IERInterrupt Enable Register IER Field Descriptions ElsiInterrupt Identification Register IIR Field Descriptions Access considerationInterrupt Identification Register IIR IIR Bits Fifo Control Register FCRInterrupt Identification and Interrupt Clearing Information Interrupt Type Interrupt SourceDMAMODE11 Txclr Rxclr Fifoen Fifo Control Register FCR Field DescriptionsRxfiftl DMAMODE1Dlab EPS PEN STB WLS Line Control Register LCRLine Control Register LCR Field Descriptions DlabST Bit EPS Bit PEN Bit Parity Option Relationship Between ST, EPS, and PEN Bits in LCRNumber of Stop Bits Generated STB BitLoop Modem Control Register MCRModem Control Register MCR Field Descriptions AFELine Status Register LSR Non-FIFO modeFifo mode Line Status Register LSR Field DescriptionsSet Elsi = 1 in IER, an interrupt request is generated Divisor Latches DLL and DLH Register RBRDivisor LSB Latch DLL Field Descriptions Divisor MSB Latch DLH Field DescriptionsCLS Peripheral Identification Registers PID1 and PID2CLS REV TYPFree Power and Emulation Management Register PwremumgmtUtrst Urrst UtrstDocument Revision History Reference Additions/Modifications/DeletionsImportant Notice

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