MPXD2005VMM80R datasheet(20/30 Pages) FREESCALE

20 / 30 page

PXS20 Product Brief, Rev. 1

Features

Freescale Semiconductor

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Message buffer header, status, and payload data stored in system memory (SRAM)

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Internal FlexRay memories have error detection and correction

2.5.28

Serial Communication Interface Module (UART)

The UART module with DMA support on this device features the following:

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UART features:

— Full-duplex operation

— Standard non return-to-zero (NRZ) mark/space format

— Data buffers with 4-byte receive, 4-byte transmit

— Configurable word length (8-bit or 9-bit words)

— Error detection and flagging

– Parity, noise and framing errors

— Interrupt driven operation with 4 interrupts sources

— Separate transmitter and receiver CPU interrupt sources

— 16-bit programmable baud-rate modulus counter and 16-bit fractional

— 2 receiver wake-up methods

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LIN features:

— Autonomous LIN frame handling

— Message buffer to store identifier and up to eight data bytes

— Supports message length of up to 64 bytes

— Detection and flagging of LIN errors

— Sync field; Delimiter; ID parity; Bit, Framing; Checksum and Timeout errors

— Classic or extended checksum calculation

— Configurable Break duration of up to 36-bit times

— Programmable Baud rate prescalers (13-bit mantissa, 4-bit fractional)

— Diagnostic features

– Loop back

–Self Test

– LIN bus stuck dominant detection

— Interrupt driven operation with 16 interrupt sources

— LIN slave mode features

– Autonomous LIN header handling

– Autonomous LIN response handling

– Discarding of irrelevant LIN responses using up to 16 ID filters

MPXD2005VMM80R Datasheet(PDF) 20 Page - Freescale Semiconductor, Inc