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PXN20RM Datasheet, PDF (992/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller | |||
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Enhanced Serial Communication Interface (eSCI)
⢠13-bit baud rate selection
⢠Programmable frame, payload, and character format
⢠Support of 2 stop bits in receiver path
⢠Hardware parity generation and checking
â Programmable even or odd parity
⢠Programmable polarity of RXD pin
⢠Separately enabled transmitter and receiver
⢠Two receiver wake up methods:
â Idle line wake-up
â Address mark wake-up
⢠Interrupt-driven operation with eight flags:
â Transmitter empty
â Transmission complete
â Receiver full
â Idle receiver input
â Receiver overrun
â Noise error
â Framing error
â Parity error
⢠Receiver framing error detection
⢠1/16 bit-time noise detection
⢠2 channel DMA interface
⢠LIN support
â LIN Master Node functionality (master and slave task)
â Compatible with LIN slaves from revisions 1.x and 2.0 of the LIN standard
â Detection of Bit Errors, Physical Bus Errors, and Checksum Errors
â All status bit can generate maskable interrupts
â Application layer CRC support
â Programmable CRC polynom
â Detection and generation of wakeup characters
â Programmable wakeup delimiter time
â Programmable slave timeout
â Can be configured to include header bits in checksum
â LIN DMA interface
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PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor
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