h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 463

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

14.3.1
MCR is an 8-bit register that controls the HCAN.
Bit
7
6
5
4, 3
2
1
0
Bit Name
MCR7

MCR5

MCR2
MCR1
MCR0
Master Control Register (MCR)
Initial
Value
0
0
0
All 0
0
0
1
R/W
R/W
R
R/W
R
R/W
R/W
R/W
HCAN Sleep Mode Release
HCAN Sleep Mode
Reset Request
Description
When this bit is set to 1, the HCAN automatically exits
HCAN sleep mode on detection of CAN bus operation.
Reserved
This bit is always read as 0. The write value should
always be 0.
When this bit is set to 1, the HCAN requests HCAN
sleep mode transition. When this bit is cleared to 0,
HCAN sleep mode is released.
Reserved
These bits are always read as 0. The write value should
always be 0.
Message Transmission Method
0: Transmission order determined by message identifier
1: Transmission order determined by mailbox (buffer)
Halt Request
When this bit is set to 1, the HCAN requests HCAN
HALT mode transition. When this bit is cleared to 0,
HCAN HALT mode is released.
When this bit is set to 1, the HCAN requests reset mode
transition. For details, see section 14.4.1, Hardware and
Software Resets.
[Setting conditions]
•
[Clearing condition]
•
priority
number priority (TXPR1 > TXPR15)
Writing 1 to this bit (software reset)
When 0 is written to this bit while the GSR3 bit in
GSR is 1
Section 14 Controller Area Network (HCAN)
Rev. 2.00 Dec. 05, 2005 Page 425 of 724
REJ09B0200-0200