70353C datasheet(25/76 Pages) MICROCHIP

25 / 76 page

DS70353C-page 21-25

Section 21. Enhanced Controller Area Network (ECAN™)

U-0

R/W-0

R/W-1

R/W-0

—

CSIDL

ABAT

CANCKS

REQOP<2:0>

bit 15

bit 8

R-1

R-0

U-0

R/W-0

U-0

R/W-0

OPMODE<2:0>

—CANCAP

—

—WIN

bit 7

bit 0

Legend:

r = Reserved

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 15-14

Unimplemented: Read as ‘0’

bit 13

CSIDL: Stop in Idle Mode bit

1 = Discontinue module operation when device enters Idle mode

0 = Continue module operation in Idle mode

bit 12

ABAT: Abort All Pending Transmissions bit

1 = Signal all transmit buffers to abort transmission

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

bit 11

CANCKS: ECAN Module Clock (FCAN) Source Select bit

1 = FCAN is equal to 2 * FP

0 = FCAN is equal to FP

bit 10-8

REQOP<2:0>: Request Operation Mode bits

111 = Set Listen All Messages mode

110 = Reserved; do not use

101 = Reserved; do not use

100 = Set Configuration mode

011 = Set Listen-Only mode

010 = Set Loopback mode

001 = Set Disable mode

000 = Set Normal Operation mode

bit 7-5

OPMODE<2:0>: Operation Mode bits

111 = Module is in Listen All Messages mode

110 = Reserved; do not use

101 = Reserved; do not use

100 = Module is in Configuration mode

011 = Module is in Listen-Only mode

010 = Module is in Loopback mode

001 = Module is in Disable mode

000 = Module is in Normal Operation mode

bit 4

Unimplemented: Read as ‘0’

bit 3

CANCAP: CAN Message Receive Timer Capture Event Enable bit

1 = Enable input capture based on CAN message receive

0 = Disable CAN capture

bit 2-1

Unimplemented: Read as ‘0’

bit 0

WIN: SFR Map Window Select bit

1 = Use filter window

0 = Use buffer window

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