MCP2510-EST datasheet(27/76 Pages) MICROCHIP

27 / 76 page

 2000 Microchip Technology Inc.

Preliminary

DS21291C-page 27

MCP2510

RXBNSIDL - Receive Buffer N Standard Identifier Low (ADDRESS: 62h, 72h)

RXBNEID8 - Receive Buffer N Extended Identifier Mid (ADDRESS: 63h, 73h)

RXBNEID0 - Receive Buffer N Extended Identifier Low (ADDRESS: 64h, 74h)

R-x

U-0

R-x

SID2

SID1

SID0

SRR

IDE

—

EID17

EID16

R = Readable bit

W = Writable bit

C = Bit can be cleared by

MCU but not set

U = Unimplemented -

reads as ‘0’

- n = Value at POR reset

bit 7

bit 0

bit 7-5:

SID<2:0>: Standard Identifier Bits <2:0>

These bits contain the three least significant bits of the Standard Identifier for the received message

bit 4:

SRR: Standard Frame Remote Transmit Request Bit (valid only if IDE bit = ‘0’)

1 = Standard Frame Remote Transmit Request Received

0 = Standard Data Frame Recieved

bit 3:

IDE: Extended Identifier Flag

This bit indicates whether the received message was a Standard or an Extended Frame

1 = Received message was an Extended Frame

0 = Received message was a Standard Frame

bit 2:

Unimplemented: Reads as '0'

bit 1-0: EID<17:16>: Extended Identifier Bits <17:16>

These bits contain the two most significant bits of the Extended Identifier for the received message

R-x

EID15

EID14

EID13

EID12

EID11

EID10

EID9

EID8

R = Readable bit

W = Writable bit

C = Bit can be cleared by

MCU but not set

U = Unimplemented -

reads as ‘0’

- n = Value at POR reset

bit 7

bit 0

bit 7-0:

EID<15:8>: Extended Identifier Bits <15:8>

These bits hold bits 15 through 8 of the Extended Identifier for the received message

R-x

EID7

EID6

EID5

EID4

EID3

EID2

EID1

EID0

R = Readable bit

W = Writable bit

C = Bit can be cleared by

MCU but not set

U = Unimplemented -

reads as ‘0’

- n = Value at POR reset

bit 7

bit 0

bit 7-0:

EID<7:0>: Extended Identifier Bits <7:0>

These bits hold the least significant eight bits of the Extended Identifier for the received message

MCP2510-EST Datasheet(PDF) 27 Page - Microchip Technology

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