h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 594

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 Controller Area Network (HCAN)
MCx[5] Bit 4—Remote Transmission Request (RTR): Used to distinguish between data frames
and remote frames.
MCx[5] Bit 3—Identifier Extension (IDE): Used to distinguish between the standard format and
extended format of data frames and remote frames.
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.
Rev. 5.00 Sep 22, 2005 page 568 of 1136
REJ09B0257-0500
Bit 4
RTR
0
1
Bit 3
IDE
0
1
Extended Identifier
IDE
Description
Data frame
Remote frame
Description
Standard format
Extended format
ID17 ID16 ID15 ID14
Figure 15.3 Extended Indentifier
ID4
EXD_IDxx
EXD_IDxx
ID13 ID12 ID11 ID10
ID3
ID2
ID1
ID0
ID9
RTR
ID8
R1
ID7
ID6
ID5