HD6432646 Hitachi, HD6432646 Datasheet - Page 594

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

MCx[5] Bit 4—Remote Transmission Request (RTR): Used to distinguish between data frames
and remote frames.
Bit 4: RTR
0
1
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
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.
560
Extended Identifier
IDE
ID17 ID16 ID15 ID14
Description
Data frame
Remote frame
Description
Standard format
Extended format
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