MCP2518FD datasheet(26/96 Pages) MICROCHIP

26 / 96 page

MCP2518FD

DS20006027A-page 26

 2019 Microchip Technology Inc.

CiCON – CAN CONTROL REGISTER

R/W-0

R/W-1

R/W-0

TXBWS<3:0>

ABAT

REQOP<2:0>

bit 31

bit 24

R-1

R-0

R/W-1

R/W-0

OPMOD<2:0>

TXQEN( 1)

STEF( 1)

SERR2LOM

( 1)

ESIGM( 1)

RTXAT( 1)

bit 23

bit 16

U-0

R/W-0

R-0

R/W-1

—

BRSDIS

BUSY

WFT<1:0>

WAKFIL( 1)

bit 15

bit 8

U-0

R/W-1

R/W-0

—

PXEDIS( 1)

ISOCRCEN

( 1)

DNCNT<4:0>

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 31-28

TXBWS<3:0>: Transmit Bandwidth Sharing bits

Delay between two consecutive transmissions (in arbitration bit times)

0000 = No delay

0001 = 2

0010 = 4

0011 = 8

0100 = 16

0101 = 32

0110 = 64

0111 = 128

1000 = 256

1001 = 512

1010 = 1024

1011 = 2048

1111-1100 = 4096

bit 27

ABAT: Abort All Pending Transmissions bit

1 = Signal all transmit FIFOs to abort transmission

0 = Module will clear this bit when all transmissions were aborted

bit 26-24

REQOP<2:0>: Request Operation Mode bits

000 = Set Normal CAN FD mode; supports mixing of CAN FD and Classic CAN 2.0 frames

001 = Set Sleep mode

010 = Set Internal Loopback mode

011 = Set Listen Only mode

100 = Set Configuration mode

101 = Set External Loopback mode

110 = Set Normal CAN 2.0 mode; possible error frames on CAN FD frames

111 = Set Restricted Operation mode

Note 1:

These bits can only be modified in Configuration mode.

MCP2518FD Datasheet(PDF) 26 Page - Microchip Technology

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