NEC V850E/Dx3 Preliminary User's Manual page 706

Chapter 19
After reset: Undefined
706
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MA0 Message buffer assignment bit
0 Message buffer not used.
1 Message buffer used.
Caution Be sure to write 0 to bits 2 and 1.
(22) CnMIDLm, CnMIDHm - CANn message ID register m
The CnMIDLm and CnMIDHm registers are used to set an identifier (ID).
R/W Address: refer to "CAN registers overview" on page 668
15 14
CnMIDLm ID15 ID14
7 6
ID7 ID6
15 14
CnMIDHm IDE 0
7 6
ID23 ID22
IDE Format mode specification bit
0 Standard format mode (ID28 to ID18: 11 bits)
1 Extended format mode (ID28 to ID0: 29 bits)
Note The ID17 to ID0 bits are not used.
ID28 to ID0
ID28 to ID18
ID28 to ID0
Caution Be sure to write 0 to bits 14 and 13 of the CnMIDHm register.
Preliminary User's Manual U17566EE1V2UM00
13 12 11
ID13 ID12 ID11
5 4 3
ID5 ID4 ID3
13 12 11
0 ID28 ID27
5 4 3
ID21 ID20 ID19
Message ID
Standard ID value of 11 bits (when IDE = 0)
Extended ID value of 29 bits (when IDE = 1)
CAN Controller (CAN)
10 9 8
ID10 ID9 ID8
2 1 0
ID2 ID1 ID0
10 9 8
ID26 ID25 ID24
2 1 0
ID18 ID17 ID16
Note