NXP Semiconductors MPC5777C - Page 101

reject
SIDFC[LSS[7:0]] > 0
GFC[ANFS[1]
SIDFC.LSS[7:0] = 0
GFC[ANFS[1]] = ‘1’
11 / 29 bit identifier
receive filter list enabled
valid frame received
reject remote frames
discard frame
remote frame
11 bit
no
yes
SIDFC[LSS]
no
yes
yes
no
GFC[RRFS] = ‘0’
29 bit
target FIFO full (blocking)
or Rx Buffer ND = ‘1’
no
yes
] = ‘0’
GFC[RRFS] = ‘1’
accept non-matching frames
acceptance / rejection
accept
match filter element #0
match filter element #
append to target FIFO
or store to Rx Buffer
Figure 3-53. Standard Message ID Filter Path
3.5.4.1.5 Extended Message ID Filtering
The figure below shows the flow for extended Message ID (29-bit Identifier) filtering.
The Extended Message ID Filter element is described in Extended Message ID Filter
Element.
Chapter 3 Modular CAN (M_CAN)
MPC5777C Reference Manual Addendum, Rev. 1, 12/2015
Freescale Semiconductor, Inc. 101