Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 20 CAN CONTROLLER
R01UH0042EJ0500 Rev.5.00 Page 973 of 1513
Aug 12, 2011
(2/2)
MA0 Message buffer assignment bit
0 Message buffer not used.
1 Message buffer used.
Caution Be sure to set bits 2 and 1 to “0”.
(22) CAN0 message ID register m (C0MIDLm, C0MIDHm)
The C0MIDLm and C0MIDHm registers are used to set an identifier (ID).
After reset: Undefined R/W Address: See Table 20-16.
15 14 13 12 11 10 9 8
C0MIDLm ID15 ID14 ID13 ID12 ID11 ID10 ID9 ID8
7 6 5 4 3 2 1 0
ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0
15 14 13 12 11 10 9 8
C0MIDHm IDE 0 0 ID28 ID27 ID26 ID25 ID24
7 6 5 4 3 2 1 0
ID23 ID22 ID21 ID20 ID19 ID18 ID17 ID16
IDE Format mode specification bit
0 Standard format mode (ID28 to ID18: 11 bits)
Note
1 Extended format mode (ID28 to ID0: 29 bits)
Note The ID17 to ID0 bits are not used.
ID28 to ID0 Message ID
ID28 to ID18 Standard ID value of 11 bits (when IDE = 0)
ID28 to ID0 Extended ID value of 29 bits (when IDE = 1)
Cautions 1. Be sure to write 0 to bits 14 and 13 of the C0MIDHm register.
2. Be sure to arrange the ID values to be registered in accordance with the bit positions of
this register. For the standard ID, shift the bit positions of ID28 to ID18 of the ID value.