HD64F2638F20J Datasheet, PDF (697/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Section 16 Controller Area Network (HCAN)
MCx[5] Bit 4—Remote Transmission Request (RTR): Used to distinguish between data frames
and remote frames.
Bit 4: RTR
0
1
Description
Data frame
Remote frame
MCx[5] Bit 3—Identifier Extension (IDE): Used to distinguish between the standard format and
extended format of data frames and remote frames.
Bit 3: IDE
0
1
Description
Standard format
Extended format
MCx[5] Bit 2—Reserved: The initial value of this bit is undefined; it must be initialized (by
writing 0 or 1).
MCx[5] Bits 1 and 0—Extended Identifier (EXD_ID17, EXD_ID16)
MCx[8] Bits 7 to 0—Extended Identifier (EXD_ID15 to EXD_ID8)
MCx[7] Bits 7 to 0—Extended Identifier (EXD_ID7 to EXD_ID0)
These bits set the identifier (extended identifier) of data frames and remote frames.
Extended Identifier
IDE ID17 ID16 ID15 ID14 ID13 ID12 ID11 ID10 ID9 ID8 ID7 ID6 ID5
EXD_IDxx
ID4 ID3 ID2 ID1 ID0 RTR R1
EXD_IDxx
Figure 16-3 Extended identifier
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 647 of 1458