MCP2517FD datasheet(66/98 Pages) MICROCHIP

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MCP2517FD

DS20005688B-page 66

Draft

 2017-2018 Microchip Technology Inc.

TABLE 3-7:

TRANSMIT EVENT FIFO OBJECT

Word

Bit

31/23/15/7

Bit

30/22/14/6

Bit

29/21/13/5

Bit

28/20/12/4

Bit

27/19/11/3

Bit

26/18/10/2

Bit

25/17/9/1

Bit

24/16/8/0

TE0

31:24

-—

SID11

EID<17:6>

23:16

EID<12:5>

15:8

EID<4:0>

SID<10:8>

7:0

SID<7:0>

TE1

31:24

-—

23:16

-—

15:8

SEQ<6:0>

ESI

7:0

FDF

BRS

RTR

IDE

DLC<3:0>

TE2 (1)

31:24

TXMSGTS<31:24>

23:16

TXMSGTS<23:16>

15:8

TXMSGTS<15:8>

7:0

TXMSGTS<7:0>

bit TE0.31-30

Unimplemented:

Read as ‘x’

bit TE0.29

SID11:

In FD mode the standard ID can be extended to 12 bit using r1

bit TE0.28-11

EID<17:0>:

Extended Identifier

bit TE0.10-0

SID<10:0>:

Standard Identifier

bit TE1.31-16

Unimplemented:

Read as ‘x’

bit TE1.15-9

SEQ<6:0>:

Sequence to keep track of transmitted messages

bit TE1.8

ESI:

Error Status Indicator

= Transmitting node is error passive

= Transmitting node is error active

bit TE1.7

FDF:

FD Frame; distinguishes between CAN and CAN FD formats

bit TE1.6

BRS:

Bit Rate Switch; selects if data bit rate is switched

bit TE1.5

RTR:

Remote Transmission Request; not used in CAN FD

bit TE1.4

IDE:

Identifier Extension Flag; distinguishes between base and extended format

bit TE1.3-0

DLC<3:0>:

Data Length Code

bit TE2.31-0

TXMSGTS<31:0>:

Transmit Message Time Stamp (1)

Note 1:

TE2 (TXMSGTS) only exits in objects where CiTEFCON.TEFTSEN is set.

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