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2.9

ADR 8 and 9: ID01, ID23 Identifier Filter Sequence Select Register

Figure 24.

Identifier of CAN Frame can be divided up into 6 segments numbered from ‘A’ to ‘F’.

For each segment a filter register is implemented, enabling different pass functions on every two bit wide block.

Segments A through C (ID01) are located at ADR 8 with MSB ‘C11’

Segments D through F (ID23) are located at ADR 9 with MSB ‘F11’

Note, that clearing a complete segment disables the whole filter.

ID10

ID9

ID8

ID7

ID6

ID5

ID4

ID3

ID2

ID1

ID0

RTR

SEGA

SEGB

SEGC

SEGD

SEGE

SEGF

A00

A01

A10

A11

00

4/2

Demux

4/2

Demux

11

SOF

F11

F10

F01

F00

11

00

PASS

99AT0028

10 01 00

10 01 01

00 01 01

10 00 10

01 11 01

01 01 01

SEGA

SEGB

SEGC

Examples:

Identifiers to pass:

SEGA: A10, A00

0011

0010 ID01: 0011 0010 0101

0101

SEGB: B01

SEGC: C01, C00

SEGF: F10, F01

SEGD: D10, D01

SEGE: E11, E01, E00

1011 ID01: 0110 1011 0110

0011

0110

ID bits to be set

SEGF

SEGE

SEGD

Valid sequence

for each segment