70353C datasheet(69/76 Pages) MICROCHIP

69 / 76 page

21.14

Table 21-4 through Table 21-6 map the bit functions for the Enhanced Controller Area Network (ECAN™) registers.

Table 21-4:

ECAN Register Map When C1CTRL1.WIN = 0 or 1

File Name

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All

Resets

CiCTRL1

—

CSIDL

ABAT

CANCKS

REQOP<2:0>

OPMODE<2:0>

—

CANCAP

—

WIN

0480

CiCTRL2

—

DNCNT<4:0>

0000

CiVEC

—

FILHIT<4:0>

—

ICODE<6:0>

0040

CiFCTRL

DMABS<2:0>

—

FSA<4:0>

0000

CiFIFO

—

FBP<5:0>

—

FNRB<5:0>

0000

CiINTF

—

TXBO

TXBP

RXBP

TXWAR

RXWAR

EWARN

IVRIF

WAKIF

ERRIF

—

FIFOIF

RBOVIF

RBIF

TBIF

0000

CiINTE

—

IVRIE

WAKIE

ERRIE

—

FIFOIE

RBOVIE

RBIE

TBIE

0000

CiEC

TERRCNT<7:0>

RERRCNT<7:0>

0000

CiCFG1

—

SJW<1:0>

BRP<5:0>

0000

CiCFG2

—

WAKFIL

—

SEG2PH<2:0>

SEG2PHTS

SAM

SEG1PH<2:0>

PRSEG<2:0>

0000

CiFEN1

FLTEN15

FLTEN14

FLTEN13

FLTEN12

FLTEN11

FLTEN10

FLTEN9

FLTEN8

FLTEN7

FLTEN6

FLTEN5

FLTEN4

FLTEN3

FLTEN2

FLTEN1

FLTEN0

FFFF

CiFMSKSEL1

F7MSK<1:0>

F6MSK<1:0>

F5MSK<1:0>

F4MSK<1:0>

F3MSK<1:0>

F2MSK<1:0>

F1MSK<1:0>

F0MSK<1:0>

0000

CiFMSKSEL2

F15MSK<1:0>

F14MSK<1:0>

F13MSK<1:0>

F12MSK<1:0>

F11MSK<1:0>

F10MSK<1:0>

F9MSK<1:0>

F8MSK<1:0>

0000

Legend:

— = unimplemented, read as ‘0’. Reset values are shown in hexadecimal.

Note

Not all bits are available for all devices. Please refer to the “Enhanced Controller Area Network (ECAN™)” chapter in the specific device data sheet for more details.

Table 21-5:

ECAN Register Map When C1CTRL1.WIN = 0

File Name

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All

Resets

See definition when WIN = x

CiRXFUL1

RXFUL15 RXFUL14 RXFUL13 RXFUL12 RXFUL11 RXFUL10

RXFUL9

RXFUL8

RXFUL7

RXFUL6

RXFUL5

RXFUL4

RXFUL3

RXFUL2

RXFUL1

RXFUL0

0000

CiRXFUL2

RXFUL31 RXFUL30 RXFUL29 RXFUL28 RXFUL27 RXFUL26 RXFUL25 RXFUL24 RXFUL23 RXFUL22 RXFUL21 RXFUL20 RXFUL19 RXFUL18 RXFUL17 RXFUL16

0000

CiRXOVF1

RXOVF15 RXOVF14 RXOVF13 RXOVF12 RXOVF11 RXOVF10 RXOVF9

RXOVF8

RXOVF7

RXOVF6

RXOVF5

RXOVF4

RXOVF3

RXOVF2

RXOVF1

RXOVF0

0000

CiRXOVF2

RXOVF31 RXOVF30 RXOVF29 RXOVF28 RXOVF27 RXOVF26 RXOVF25 RXOVF24 RXOVF23 RXOVF22 RXOVF21 RXOVF20 RXOVF19 RXOVF18 RXOVF17 RXOVF16

0000

CiTR01CON

TXEN1

TXABT1

TXLARB1 TXERR1

TXREQ1

RTREN1

TX1PRI<1:0>

TXEN0

TXABAT0 TXLARB0 TXERR0

TXREQ0

RTREN0

TX0PRI<1:0>

0000

Ci1TR23CON

TXEN3

TXABT3

TXLARB3 TXERR3

TXREQ3

RTREN3

TX3PRI<1:0>

TXEN2

TXABAT2 TXLARB2 TXERR2

TXREQ2

RTREN2

TX2PRI<1:0>

0000

CiTR45CON

TXEN5

TXABT5

TXLARB5 TXERR5

TXREQ5

RTREN5

TX5PRI<1:0>

TXEN4

TXABAT4 TXLARB4 TXERR4

TXREQ4

RTREN4

TX4PRI<1:0>

0000

CiTR67CON

TXEN7

TXABT7

TXLARB7 TXERR7

TXREQ7

RTREN7

TX7PRI<1:0>

TXEN6

TXABAT6 TXLARB6 TXERR6

TXREQ6

RTREN6

TX6PRI<1:0>

xxxx

CiRXD

Received Data Word

xxxx

CiTXD

Transmit Data Word

xxxx

Legend:

x = unknown value on Reset, — = unimplemented, read as ‘0’. Reset values are shown in hexadecimal.

Note

Not all bits are available for all devices. Please refer to the “Enhanced Controller Area Network (ECAN™)” chapter in the specific device data sheet for more details.

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