Hitachi H8S/2646 Hardware Manual page 920

IMR—Interrupt Mask Register
Bit 15
IMR7
Initial value 1
Read/Write R/W
Error Passive Interrupt Mask
Bus Off Interrupt Mask
0 Bus off interrupt request to CPU by IRR6 enabled
1 Bus off interrupt request to CPU by IRR6 disabled
Overload Frame/Bus Off Recovery Interrupt Mask
0 Overload frame/bus off recovery interrupt request to CPU by IRR7 enabled
1 Overload frame/bus off recovery interrupt request to CPU by IRR7 disabled
888
14 13
IMR6 IMR5
1 1
R/W R/W
Remote Frame Request Interrupt Mask
0
1
Transmit Overload Warning Interrupt Mask
0 TEC error warning interrupt request to CPU by IRR3 enabled
1 TEC error warning interrupt request to CPU by IRR3 disabled
Receive Overload Warning Interrupt Mask
0 REC error warning interrupt request to CPU by IRR4 enabled
1 REC error warning interrupt request to CPU by IRR4 disabled
0 Error passive interrupt request to CPU by IRR5 enabled
1 Error passive interrupt request to CPU by IRR5 disabled
H'F816
12 11
IMR4 IMR3
1 1
R/W R/W
Receive Message Interrupt Mask
0
Message reception interrupt request to CPU by IRR1 enabled
1
Message reception interrupt request to CPU by IRR1 disabled
Remote frame reception interrupt request to CPU by IRR2 enabled
Remote frame reception interrupt request to CPU by IRR2 disabled
10 9
IMR2 IMR1
1 1
R/W R/W
HCAN
8
—
0
—