MCP2517FD datasheet(40/98 Pages) MICROCHIP

40 / 98 page

MCP2517FD

DS20005688B-page 40

 2017-2018 Microchip Technology Inc.

CiTXREQ – TRANSMIT REQUEST REGISTER

S/HC-0

TXREQ<31:24>

bit 31

bit 24

S/HC-0

TXREQ<23:16>

bit 23

bit 16

S/HC-0

TXREQ<15:8>

bit 15

bit 8

S/HC-0

TXREQ<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 31-1

TXREQ<31:1>

: Message Send Request bits

TXEN= 1 (Object configured as a Transmit Object)

Setting this bit to ‘1’ requests sending a message.

The bit will automatically clear when the message(s) queued in the object is (are) successfully sent.

This bit can NOT be used for aborting a transmission.

TXEN= 0 (Object configured as a Receive Object)

This bit has no effect

bit 0

TXREQ<0>

: Transmit Queue Message Send Request bit

Setting this bit to ‘1’ requests sending a message.

The bit will automatically clear when the message(s) queued in the object is (are) successfully sent.

This bit can NOT be used for aborting a transmission.

MCP2517FD Datasheet(PDF) 40 Page - Microchip Technology

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