MCP2518FD datasheet(32/96 Pages) MICROCHIP

32 / 96 page

MCP2518FD

DS20006027A-page 32

 2019 Microchip Technology Inc.

CiTSCON – TIME STAMP CONTROL REGISTER

U-0

—

bit 31

bit 24

U-0

R/W-0

—

TSRES

TSEOF

TBCEN

bit 23

bit 16

U-0

R/W-0

—

TBCPRE<9:8>

bit 15

bit 8

R/W-0

TBCPRE<7:0>

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 31-19

Unimplemented: Read as ‘0’

bit 18

TSRES: Time Stamp res bit (FD Frames only)

1 = at sample point of the bit following the FDF bit.

0 = at sample point of SOF

bit 17

TSEOF: Time Stamp EOF bit

1 = Time Stamp when frame is taken valid:

- RX no error until last but one bit of EOF

- TX no error until the end of EOF

0 = Time Stamp at “beginning” of Frame:

- Classical Frame: at sample point of SOF

- FD Frame: see TSRES bit.

bit 16

TBCEN: Time Base Counter Enable bit

1 = Enable TBC

0 = Stop and reset TBC

bit 15-10

Unimplemented: Read as ‘0’

bit 9-0

TBCPRE<9:0>: Time Base Counter Prescaler bits

1023 = TBC increments every 1024 clocks

...

0 = TBC increments every 1 clock

MCP2518FD 数据表(PDF) 32 Page - Microchip Technology

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