XC161 Datasheet, PDF (298/419 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units

XC161 Derivatives
Peripheral Units (Vol. 2 of 2)
TwinCAN Module
The Frame Counter Register controls the frame counter functionality and provides status
information.
AFCRH
Node A Frame Counter Register High
AFCRL
Node A Frame Counter Register Low
BFCRH
Node B Frame Counter Register High
BFCRL
Node B Frame Counter Register Low
15 14 13 12 11 10 9
0
r
87654
CFC CFC
OV IE
0
rwh rw
r
Reset Value: 0000_H
Reset Value: 0000_H
Reset Value: 0000_H
Reset Value: 0000_H
3210
CFCMD
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CFC
rwh
Field
CFC
Bits
[15:0]
Low
Type Description
rwh CAN Frame Counter
This bitfield contains the count value of the frame
counter.
At the end of a correct message transfer, the value of
CFC (captured value during SOF bit) is copied to
bitfield CFCVAL of the corresponding message object
control register MSGCTRn.
User’s Manual
TwinCAN_X1, V2.1
21-58
V2.2, 2004-01