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SJA1000

Stand-alone CAN controller

Philips Electronics 

Philips Semiconductors

Stand-alone CAN controller

Product specification

SJA1000

REGISTER

BIT

Acceptance code

Acceptance mask

Bus timing 0

Bus timing 1

Output control

Transmit buffer

Receive buffer

Clock divider

AC.7 to 0

AM.7 to 0

BTR0.7

BTR0.6

BTR0.5

BTR0.4

BTR0.3

BTR0.2

BTR0.1

BTR0.0

BTR1.7

BTR1.6

BTR1.5

BTR1.4

BTR1.3

BTR1.2

BTR1.1

BTR1.0

OC.7

OC.6

OC.5

OC.4

OC.3

OC.2

OC.1

OC.0

−

−

−

SYMBOL

NAME

AC

Acceptance Code

AM

Acceptance Mask

SJW.1

Synchronization Jump Width 1

SJW.0

Synchronization Jump Width 0

BRP.5

Baud Rate Prescaler 5

BRP.4

Baud Rate Prescaler 4

BRP.3

Baud Rate Prescaler 3

BRP.2

Baud Rate Prescaler 2

BRP.1

Baud Rate Prescaler 1

BRP.0

Baud Rate Prescaler 0

SAM

Sampling

TSEG2.2 Time Segment 2.2

TSEG2.1 Time Segment 2.1

TSEG2.0 Time Segment 2.0

TSEG1.3 Time Segment 1.3

TSEG1.2 Time Segment 1.2

TSEG1.1 Time Segment 1.1

TSEG1.0 Time Segment 1.0

OCTP1

Output Control Transistor P1

OCTN1

Output Control Transistor N1

OCPOL1 Output Control Polarity 1

OCTP0

Output Control Transistor P0

OCTN0

Output Control Transistor N0

OCPOL0 Output Control Polarity 0

OCMODE1 Output Control Mode 1

OCMODE0 Output Control Mode 0

TXB

Transmit Buffer

RXB

Receive Buffer

CDR

Clock Divider Register

VALUE

RESET BY

HARDWARE

SETTING

BIT CR.0 BY

SOFTWARE OR

DUE TO

BUS-OFF

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X; note 5

0000 0000

(Intel);

0000 0101

(Motorola)

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X; note 5

X

2000 Jan 04

11

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