ST72561AR7-Auto datasheet(319/324 Pages) STMICROELECTRONICS

Il numero della parte	ST72561AR7-Auto

Spiegazioni elettronici	Clock, reset and supply management

PDF	324 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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319 / 324 page

ST72561-Auto

Important notes

Doc ID 12370 Rev 8

319/324

Figure 155. Header reception event sequence

Figure 156. LINSCI interrupt routine

24.1.6

CAN FIFO corruption

The beCAN FIFO gets corrupted when a message is received and simultaneously a

message is released while FMP = 2. For details and a description of the workaround refer to

FIFO corruption.

LIN Synch

Identifier

Field

Break

THEADER

Active mode is set

RDRF flag is set

Critical

Window

ID field STOP bit

(RWU is cleared)

@interrupt void LINSCI_IT ( void ) /* LINSCI interrupt routine */

{

/* clear flags */

SCISR_buffer = SCISR;

SCIDR_buffer = SCIDR;

if ( SCISR_buffer & LHE )/* header error ? */

{

if (!LHLR)/* header time-out? */

{

if ( !(SCICR2 & RWU) )/* active mode ? */

{

_asm("sim");/* disable interrupts */

SCISR;

SCIDR;/* Clear RDRF flag */

SCICR2 |= RWU;/* set mute mode */

SCISR;

SCIDR;/* Clear RDRF flag */

SCICR2 |= RWU;/* set mute mode */

_asm("rim");/* enable interrupts */

}

Example using Cosmic compiler syntax

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