HD64F2638F20J Datasheet, PDF (696/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 16 Controller Area Network (HCAN)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
MCx[1] Bits 3 to 0—Data Length Code (DLC): These bits indicate the required length of data
frames and remote frames.
Bit 3:
DLC3
0
1
Bit 2:
DLC2
0
1
0/1
Bit 1:
DLC1
0
1
0
1
0/1
Bit 0:
DLC0
0
1
0
1
0
1
0
1
0/1
Description
Data length = 0 bytes
Data length = 1 byte
Data length = 2 bytes
Data length = 3 bytes
Data length = 4 bytes
Data length = 5 bytes
Data length = 6 bytes
Data length = 7 bytes
Data length = 8 bytes
MCx[2] Bits 7 to 0—Reserved: The initial value of these bits is undefined; they must be
initialized (by writing 0 or 1).
MCx[3] Bits 7 to 0—Reserved: The initial value of these bits is undefined; they must be
initialized (by writing 0 or 1).
MCx[4] Bits 7 to 0—Reserved: The initial value of these bits is undefined; they must be
initialized (by writing 0 or 1).
MCx[6] Bits 7 to 0—Standard Identifier (STD_ID10 to STD_ID3)
MCx[5] Bits 7 to 5—Standard Identifier (STD_ID2 to STD_ID0)
These bits set the identifier (standard identifier) of data frames and remote frames.
Standard identifier
SOF ID10 ID9
ID8
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
RTR
SRR
IDE
STD_IDxx
Figure 16-2 Standard identifier
Page 646 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010