usart.rx

(peripheral
    (group-name USART)

    (register
        (name CR1)
        (offset 0x0)
        (size 0x20)
        (access read-write)
        (reset-value 0x0)
        (description "Control register 1")
        (field
            (name M1)
            (bit-offset 28)
            (bit-width 1)
            (description "Word length - Bit 1")
        )        
        (field
            (name EOBIE)
            (bit-offset 27)
            (bit-width 1)
            (description "End of Block interrupt enable")
        )
        (field
            (name RTOIE)
            (bit-offset 26)
            (bit-width 1)
            (description "Receiver timeout interrupt enable")
        )
        (field
            (name DEAT)
            (bit-offset 21)
            (bit-width 5)
            (description "Driver Enable assertion time")
        )
        (field
            (name DEDT)
            (bit-offset 16)
            (bit-width 5)
            (description "Driver Enable deassertion time")
        )
        (field
            (name OVER8)
            (bit-offset 15)
            (bit-width 1)
            (description "Oversampling mode")
        )
        (field
            (name CMIE)
            (bit-offset 14)
            (bit-width 1)
            (description "Character match interrupt enable")
        )
        (field
            (name MME)
            (bit-offset 13)
            (bit-width 1)
            (description "Mute mode enable")
        )
        (field
            (name M0)
            (bit-offset 12)
            (bit-width 1)
            (description "Word length - Bit 0")
        )            
        (field
            (name WAKE)
            (bit-offset 11)
            (bit-width 1)
            (description "Receiver wakeup method")
        )
        (field
            (name PCE)
            (bit-offset 10)
            (bit-width 1)
            (description "Parity control enable")
        )
        (field
            (name PS)
            (bit-offset 9)
            (bit-width 1)
            (description "Parity selection")
        )
        (field
            (name PEIE)
            (bit-offset 8)
            (bit-width 1)
            (description "PE interrupt enable")
        )
        (field
            (name TXEIE)
            (bit-offset 7)
            (bit-width 1)
            (description "interrupt enable")
        )
        (field
            (name TCIE)
            (bit-offset 6)
            (bit-width 1)
            (description "Transmission complete interrupt enable")
        )
        (field
            (name RXNEIE)
            (bit-offset 5)
            (bit-width 1)
            (description "RXNE interrupt enable")
        )
        (field
            (name IDLEIE)
            (bit-offset 4)
            (bit-width 1)
            (description "IDLE interrupt enable")
        )
        (field
            (name TE)
            (bit-offset 3)
            (bit-width 1)
            (description "Transmitter enable")
        )
        (field
            (name RE)
            (bit-offset 2)
            (bit-width 1)
            (description "Receiver enable")
        )
        (field
            (name UESM)
            (bit-offset 1)
            (bit-width 1)
            (description "USART enable in Stop mode")
        )
        (field
            (name UE)
            (bit-offset 0)
            (bit-width 1)
            (description "USART enable")
        )
    )
    (register
        (name CR2)
        (offset 0x4)
        (size 0x20)
        (access read-write)
        (reset-value 0x0)
        (description "Control register 2")
        (field
            (name ADD4)
            (bit-offset 28)
            (bit-width 4)
            (description "Address of the USART node")
        )
        (field
            (name ADD0)
            (bit-offset 24)
            (bit-width 4)
            (description "Address of the USART node")
        )
        (field
            (name RTOEN)
            (bit-offset 23)
            (bit-width 1)
            (description "Receiver timeout enable")
        )
        (field
            (name ABRMOD)
            (bit-offset 21)
            (bit-width 2)
            (description "Auto baud rate mode")
        )
        (field
            (name ABREN)
            (bit-offset 20)
            (bit-width 1)
            (description "Auto baud rate enable")
        )
        (field
            (name MSBFIRST)
            (bit-offset 19)
            (bit-width 1)
            (description "Most significant bit first")
        )
        (field
            (name DATAINV)
            (bit-offset 18)
            (bit-width 1)
            (description "Binary data inversion")
        )
        (field
            (name TXINV)
            (bit-offset 17)
            (bit-width 1)
            (description "TX pin active level inversion")
        )
        (field
            (name RXINV)
            (bit-offset 16)
            (bit-width 1)
            (description "RX pin active level inversion")
        )
        (field
            (name SWAP)
            (bit-offset 15)
            (bit-width 1)
            (description "Swap TX/RX pins")
        )
        (field
            (name LINEN)
            (bit-offset 14)
            (bit-width 1)
            (description "LIN mode enable")
        )
        (field
            (name STOP)
            (bit-offset 12)
            (bit-width 2)
            (description "STOP bits")
        )
        (field
            (name CLKEN)
            (bit-offset 11)
            (bit-width 1)
            (description "Clock enable")
        )
        (field
            (name CPOL)
            (bit-offset 10)
            (bit-width 1)
            (description "Clock polarity")
        )
        (field
            (name CPHA)
            (bit-offset 9)
            (bit-width 1)
            (description "Clock phase")
        )
        (field
            (name LBCL)
            (bit-offset 8)
            (bit-width 1)
            (description "Last bit clock pulse")
        )
        (field
            (name LBDIE)
            (bit-offset 6)
            (bit-width 1)
            (description "LIN break detection interrupt enable")
        )
        (field
            (name LBDL)
            (bit-offset 5)
            (bit-width 1)
            (description "LIN break detection length")
        )
        (field
            (name ADDM7)
            (bit-offset 4)
            (bit-width 1)
            (description "7-bit Address Detection/4-bit Address Detection")
        )
    )
    (register
        (name CR3)
        (offset 0x8)
        (size 0x20)
        (access read-write)
        (reset-value 0x0)
        (description "Control register 3")
        (field
            (name WUFIE)
            (bit-offset 22)
            (bit-width 1)
            (description "Wakeup from Stop mode interrupt enable")
        )
        (field
            (name WUS)
            (bit-offset 20)
            (bit-width 2)
            (description "Wakeup from Stop mode interrupt flag selection")
        )
        (field
            (name SCARCNT)
            (bit-offset 17)
            (bit-width 3)
            (description "Smartcard auto-retry count")
        )
        (field
            (name DEP)
            (bit-offset 15)
            (bit-width 1)
            (description "Driver enable polarity selection")
        )
        (field
            (name DEM)
            (bit-offset 14)
            (bit-width 1)
            (description "Driver enable mode")
        )
        (field
            (name DDRE)
            (bit-offset 13)
            (bit-width 1)
            (description "DMA Disable on Reception Error")
        )
        (field
            (name OVRDIS)
            (bit-offset 12)
            (bit-width 1)
            (description "Overrun Disable")
        )
        (field
            (name ONEBIT)
            (bit-offset 11)
            (bit-width 1)
            (description "One sample bit method enable")
        )
        (field
            (name CTSIE)
            (bit-offset 10)
            (bit-width 1)
            (description "CTS interrupt enable")
        )
        (field
            (name CTSE)
            (bit-offset 9)
            (bit-width 1)
            (description "CTS enable")
        )
        (field
            (name RTSE)
            (bit-offset 8)
            (bit-width 1)
            (description "RTS enable")
        )
        (field
            (name DMAT)
            (bit-offset 7)
            (bit-width 1)
            (description "DMA enable transmitter")
        )
        (field
            (name DMAR)
            (bit-offset 6)
            (bit-width 1)
            (description "DMA enable receiver")
        )
        (field
            (name SCEN)
            (bit-offset 5)
            (bit-width 1)
            (description "Smartcard mode enable")
        )
        (field
            (name NACK)
            (bit-offset 4)
            (bit-width 1)
            (description "Smartcard NACK enable")
        )
        (field
            (name HDSEL)
            (bit-offset 3)
            (bit-width 1)
            (description "Half-duplex selection")
        )
        (field
            (name IRLP)
            (bit-offset 2)
            (bit-width 1)
            (description "IrDA low-power")
        )
        (field
            (name IREN)
            (bit-offset 1)
            (bit-width 1)
            (description "IrDA mode enable")
        )
        (field
            (name EIE)
            (bit-offset 0)
            (bit-width 1)
            (description "Error interrupt enable")
        )
    )
    (register
        (name BRR)
        (offset 0xc)
        (size 0x20)
        (access read-write)
        (reset-value 0x0)
        (description "Baud rate register")
        (field
            (name DIV_Mantissa)
            (bit-offset 4)
            (bit-width 12)
            (description "mantissa of USARTDIV")
        )
        (field
            (name DIV_Fraction)
            (bit-offset 0)
            (bit-width 4)
            (description "fraction of USARTDIV")
        )
    )
    (register
        (name GTPR)
        (offset 0x10)
        (size 0x20)
        (access read-write)
        (reset-value 0x0)
        (description "Guard time and prescaler register")
        (field
            (name GT)
            (bit-offset 8)
            (bit-width 8)
            (description "Guard time value")
        )
        (field
            (name PSC)
            (bit-offset 0)
            (bit-width 8)
            (description "Prescaler value")
        )
    )
    (register
        (name RTOR)
        (offset 0x14)
        (size 0x20)
        (access read-write)
        (reset-value 0x0)
        (description "Receiver timeout register")
        (field
            (name BLEN)
            (bit-offset 24)
            (bit-width 8)
            (description "Block Length")
        )
        (field
            (name RTO)
            (bit-offset 0)
            (bit-width 24)
            (description "Receiver timeout value")
        )
    )
    (register
        (name RQR)
        (offset 0x18)
        (size 0x20)
        (access read-write)
        (reset-value 0x0)
        (description "Request register")
        (field
            (name TXFRQ)
            (bit-offset 4)
            (bit-width 1)
            (description "Transmit data flush request")
        )
        (field
            (name RXFRQ)
            (bit-offset 3)
            (bit-width 1)
            (description "Receive data flush request")
        )
        (field
            (name MMRQ)
            (bit-offset 2)
            (bit-width 1)
            (description "Mute mode request")
        )
        (field
            (name SBKRQ)
            (bit-offset 1)
            (bit-width 1)
            (description "Send break request")
        )
        (field
            (name ABRRQ)
            (bit-offset 0)
            (bit-width 1)
            (description "Auto baud rate request")
        )
    )
    (register
        (name ISR)
        (offset 0x1c)
        (size 0x20)
        (access read-only)
        (reset-value 0xc0)
        (description "Interrupt & status register")
        (field
            (name REACK)
            (bit-offset 22)
            (bit-width 1)
            (description "Receive enable acknowledge flag")
        )
        (field
            (name TEACK)
            (bit-offset 21)
            (bit-width 1)
            (description "Transmit enable acknowledge flag")
        )
        (field
            (name WUF)
            (bit-offset 20)
            (bit-width 1)
            (description "Wakeup from Stop mode flag")
        )
        (field
            (name RWU)
            (bit-offset 19)
            (bit-width 1)
            (description "Receiver wakeup from Mute mode")
        )
        (field
            (name SBKF)
            (bit-offset 18)
            (bit-width 1)
            (description "Send break flag")
        )
        (field
            (name CMF)
            (bit-offset 17)
            (bit-width 1)
            (description "character match flag")
        )
        (field
            (name BUSY)
            (bit-offset 16)
            (bit-width 1)
            (description "Busy flag")
        )
        (field
            (name ABRF)
            (bit-offset 15)
            (bit-width 1)
            (description "Auto baud rate flag")
        )
        (field
            (name ABRE)
            (bit-offset 14)
            (bit-width 1)
            (description "Auto baud rate error")
        )
        (field
            (name EOBF)
            (bit-offset 12)
            (bit-width 1)
            (description "End of block flag")
        )
        (field
            (name RTOF)
            (bit-offset 11)
            (bit-width 1)
            (description "Receiver timeout")
        )
        (field
            (name CTS)
            (bit-offset 10)
            (bit-width 1)
            (description "CTS flag")
        )
        (field
            (name CTSIF)
            (bit-offset 9)
            (bit-width 1)
            (description "CTS interrupt flag")
        )
        (field
            (name LBDF)
            (bit-offset 8)
            (bit-width 1)
            (description "LIN break detection flag")
        )
        (field
            (name TXE)
            (bit-offset 7)
            (bit-width 1)
            (description "Transmit data register empty")
        )
        (field
            (name TC)
            (bit-offset 6)
            (bit-width 1)
            (description "Transmission complete")
        )
        (field
            (name RXNE)
            (bit-offset 5)
            (bit-width 1)
            (description "Read data register not empty")
        )
        (field
            (name IDLE)
            (bit-offset 4)
            (bit-width 1)
            (description "Idle line detected")
        )
        (field
            (name ORE)
            (bit-offset 3)
            (bit-width 1)
            (description "Overrun error")
        )
        (field
            (name NF)
            (bit-offset 2)
            (bit-width 1)
            (description "Noise detected flag")
        )
        (field
            (name FE)
            (bit-offset 1)
            (bit-width 1)
            (description "Framing error")
        )
        (field
            (name PE)
            (bit-offset 0)
            (bit-width 1)
            (description "Parity error")
        )
    )
    (register
        (name ICR)
        (offset 0x20)
        (size 0x20)
        (access read-write)
        (reset-value 0x0)
        (description "Interrupt flag clear register")
        (field
            (name WUCF)
            (bit-offset 20)
            (bit-width 1)
            (description "Wakeup from Stop mode clear flag")
        )
        (field
            (name CMCF)
            (bit-offset 17)
            (bit-width 1)
            (description "Character match clear flag")
        )
        (field
            (name EOBCF)
            (bit-offset 12)
            (bit-width 1)
            (description "End of timeout clear flag")
        )
        (field
            (name RTOCF)
            (bit-offset 11)
            (bit-width 1)
            (description "Receiver timeout clear flag")
        )
        (field
            (name CTSCF)
            (bit-offset 9)
            (bit-width 1)
            (description "CTS clear flag")
        )
        (field
            (name LBDCF)
            (bit-offset 8)
            (bit-width 1)
            (description "LIN break detection clear flag")
        )
        (field
            (name TCCF)
            (bit-offset 6)
            (bit-width 1)
            (description "Transmission complete clear flag")
        )
        (field
            (name IDLECF)
            (bit-offset 4)
            (bit-width 1)
            (description "Idle line detected clear flag")
        )
        (field
            (name ORECF)
            (bit-offset 3)
            (bit-width 1)
            (description "Overrun error clear flag")
        )
        (field
            (name NCF)
            (bit-offset 2)
            (bit-width 1)
            (description "Noise detected clear flag")
        )
        (field
            (name FECF)
            (bit-offset 1)
            (bit-width 1)
            (description "Framing error clear flag")
        )
        (field
            (name PECF)
            (bit-offset 0)
            (bit-width 1)
            (description "Parity error clear flag")
        )
    )
    (register
        (name RDR)
        (offset 0x24)
        (size 0x20)
        (access read-only)
        (reset-value 0x0)
        (description "Receive data register")
        (field
            (name RDR)
            (bit-offset 0)
            (bit-width 9)
            (description "Receive data value")
        )
    )
    (register
        (name TDR)
        (offset 0x28)
        (size 0x20)
        (access read-write)
        (reset-value 0x0)
        (description "Transmit data register")
        (field
            (name TDR)
            (bit-offset 0)
            (bit-width 9)
            (description "Transmit data value")
        )
    )
)