
23. 32-Slot CAN Module
23.1.6
CAN2 Extended ID Register (C2IDR Register)
Figure 23.8
C2IDR Register
Bits in the CiIDR register determine a frame format used in the message slot corresponding to the individual bit.
The standard format is selected when the bit is set to 0.
The extended format is selected when the bit is to set 1.
Symbol
Address
After Reset(2)
RW
CAN2 Extended ID Register(1)
C2IDR
051Fh - 051Ch
00000000h
Function
Bit Symbol
Bit Name
RW
Extended ID31 (message slot 31)
IDE30
IDE29
NOTES:
1. Change the C2IDR register while the C2MCTLi register (i = 0 to 15), corresponding to the bit to be changed, is set to 00h.
2. The value is obtained by setting the SLEEP bit in the C2SLPR register to 1 (sleep mode exited) after reset and supplying the clock to
the CAN module.
IDE31
Extended ID30 (message slot 30)
IDE28
Extended ID29 (message slot 29)
Extended ID28 (message slot 28)
Extended ID27 (message slot 27)
IDE26
IDE25
IDE27
Extended ID26 (message slot 26)
IDE24
Extended ID25 (message slot 25)
Extended ID24 (message slot 24)
Extended ID23 (message slot 23)
IDE22
IDE21
IDE23
Extended ID22 (message slot 22)
IDE20
Extended ID21 (message slot 21)
Extended ID20 (message slot 20)
Extended ID19 (message slot 19)
IDE18
IDE17
IDE19
Extended ID18 (message slot 18)
IDE16
Extended ID17 (message slot 17)
Extended ID16 (message slot 16)
RW
Extended ID15 (message slot 15)
IDE14
IDE13
IDE15
Extended ID14 (message slot 14)
IDE12
Extended ID13 (message slot 13)
Extended ID11 (message slot 11)
IDE10
IDE9
IDE11
Extended ID10 (message slot 10)
IDE8
Extended ID9 (message slot 9)
Extended ID8 (message slot 8)
Extended ID7 (message slot 7)
IDE6
IDE5
IDE7
Extended ID6 (message slot 6)
IDE4
Extended ID5 (message slot 5)
Extended ID4 (message slot 4)
Extended ID3 (message slot 3)
IDE2
IDE1
IDE3
Extended ID2 (message slot 2)
IDE0
Extended ID1 (message slot 1)
Extended ID0 (message slot 0 )
RW
Determine whether the
corresponding message
slot is the standard
format or extended
format
0: Standard format
1: Extended format
Extended ID12 (message slot 12)
b23
b24
b31
b16
b7
b8
b15
b0