ST SPC560P34 - Table 258. Ifcr2 N Field Descriptions; Figure 254. Identifier Filter Control Register (Ifcr2 N)

LIN Controller (LINFlex) RM0046
516/936 Doc ID 16912 Rev 5
Identifier filter control register (IFCR2n)
Note: Register bit can be read in any mode, written only in Initialization mode
Figure 254. Identifier filter control register (IFCR2n)
Offsets: 0x004C–0x0084 (8 registers) Access: User read/write
0123456789101112131415
R 0000000000000000
W
Reset0000000000000000
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R 000
DFL DIR CCS
00
ID
W
Reset0000000000000000
Table 258. IFCR2n field descriptions
Field Description
DFL
Data Field Length
This field defines the number of data bytes in the response part of the frame.
DIR
Direction
This bit controls the direction of the data field.
0 LINFlex receives the data and copies them in the BDRL and BDRM registers.
1 LINFlex transmits the data from the BDRL and BDRM registers.
CCS
Classic Checksum
This bit controls the type of checksum applied on the current message.
0 Enhanced Checksum covering Identifier and Data fields. This is compatible with LIN specification
2.0 and higher.
1 Classic Checksum covering Data fields only. This is compatible with LIN specification 1.3 and
earlier.
ID
Identifier
Identifier part of the identifier field without the identifier parity.