Hitachi H8S/2646 Hardware Manual page 910

MCR—Master Control Register
Bit 7
MCR7
Initial value 0
Read/Write R/W
HCAN Sleep Mode Release
0 HCAN sleep mode release by CAN bus operation disabled
1 HCAN sleep mode release by CAN bus operation enabled
878
6 5 4
— MCR5 —
0 0 0
— R/W —
HCAN Sleep Mode
0 HCAN sleep mode released
1 Transition to HCAN sleep mode enabled
H'F800
3 2
— MCR2
0 0
— R/W
Reset Request
0 Normal operating mode
(MCR0 = 0 and GSR3 = 0)
[Setting condition]
When 0 is written after an
HCAN reset
HCAN reset mode transition
1
request
Halt Request
0
HCAN normal operating mode
1
HCAN halt mode transition request
Message Transmission Method
0 Transmission order determined by message
identifier priority
1 Transmission order determined by mailbox
(buffer) number priority
(TXPR1 > TXPR15)
HCAN
1 0
MCR1 MCR0
0 1
R/W R/W