MCP2515-ESLASHST datasheet(34/84 Pages) MICROCHIP

34 / 84 page

MCP2515

DS21801D-page 34

Preliminary

RXFnSIDH – FILTER n STANDARD IDENTIFIER HIGH

(ADDRESS: 00h, 04h, 08h, 10h, 14h, 18h)

RXFnSIDL – FILTER n STANDARD IDENTIFIER LOW

(ADDRESS: 01h, 05h, 09h, 11h, 15h, 19h)

R/W-x

SID10

SID9SID8SID7SID6SID5SID4SID3

bit 7

bit 0

bit 7-0

SID: Standard Identifier Filter bits <10:3>

These bits hold the filter bits to be applied to bits <10:3> of the Standard Identifier portion of a

received message

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

R/W-x

U-0

R/W-x

U-0

R/W-x

SID2

SID1

SID0

—

EXIDE

—EID17

EID16

bit 7

bit 0

bit 7-5

SID: Standard Identifier Filter bits <2:0>

These bits hold the filter bits to be applied to bits <2:0> of the Standard Identifier portion of a

received message

bit 4

Unimplemented: Reads as ‘0’

bit 3

EXIDE: Extended Identifier Enable bit

= Filter is applied only to Extended Frames

= Filter is applied only to Standard Frames

bit 2

Unimplemented: Reads as ‘0’

bit 1-0

EID: Extended Identifier Filter bits <17:16>

These bits hold the filter bits to be applied to bits <17:16> of the Extended Identifier portion of

a received message

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

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