upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 620

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

Caution:
(22) CAN message ID register m (CnMIDLm, CnMIDHm)
Note: The ID17 to ID0 bits are not used.
Caution:
620
CnMIDHm
CnMIDLm
The CnMIDLm and CnMIDHm registers are used to set an identifier (ID).
MA0
IDE
0
1
0
1
ID28 to ID18
ID28 to ID0
ID28 to ID0
Figure 16-44: CAN Message Configuration Register (CnMCONFm) Format (2/2)
Figure 16-45: CAN message ID register m (CnMIDLm, CnMIDHm) Format
Be sure to write 0 to bits 2 and 1.
Be sure to write 0 to bits 14 and 13 of the CnMIDHm register.
Message buffer not used.
Message buffer used.
Standard format mode (ID28 to ID18: 11 bits)
Extended format mode (ID28 to ID0: 29 bits)
ID15
ID23
IDE
ID7
15
15
7
7
ID14
ID22
ID6
14
14
6
0
6
Standard ID value of 11 bits (when IDE = 0)
Extended ID value of 29 bits (when IDE = 1)
ID13
ID21
ID5
13
13
5
0
5
Chapter 16 FCAN Controller
User’s Manual U16702EE3V2UD00
ID12
ID28
ID20
ID4
12
12
4
4
Message buffer assignment bit
Format mode specification bit
ID11
ID27
ID19
ID3
11
11
3
3
Note
ID10
ID26
ID18
ID2
Message ID
10
10
2
2
ID25
ID17
ID9
ID1
9
1
9
1
ID24
ID16
ID8
ID0
8
0
8
0
see Table
Address R/W After reset
16-16
R/W undefined