h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 687

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

16.2.13 Interrupt Mask Register (IMR)
The interrupt mask register (IMR) is a 16-bit readable/writable register containing flags that
enable or disable requests by individual interrupt sources.
Bit 15—Overload Frame/Bus Off Recovery Interrupt Mask (IMR7): Enables or disables
overload frame/bus off recovery interrupt requests.
Bit 14—Bus Off Interrupt Mask (IMR6): Enables or disables bus off interrupt requests caused
by the transmit error counter.
Bit 15: IMR7
0
1
Bit 14: IMR6
0
1
Initial value:
Initial value:
IMR
R/W:
R/W:
Bit:
Bit:
IMR7
Description
Overload frame/bus off recovery interrupt request (OVR0) to CPU by IRR7
enabled
Overload frame/bus off recovery interrupt request (OVR0) to CPU by IRR7
disabled
Description
Bus off interrupt request (ERS0) to CPU by IRR6 enabled
Bus off interrupt request (ERS0) to CPU by IRR6 disabled
R/W
15
—
R
1
7
1
IMR6
R/W
14
—
R
1
6
1
IMR5
R/W
13
—
R
1
5
1
IMR12
IMR4
R/W
R/W
12
Section 16 Controller Area Network (HCAN)
1
4
1
Rev. 6.00 Feb 22, 2005 page 627 of 1484
IMR3
R/W
11
—
R
1
3
1
IMR2
R/W
10
—
R
1
2
1
REJ09B0103-0600
IMR1
IMR9
R/W
R/W
9
1
1
1
(Initial value)
(Initial value)
IMR8
R/W
—
R
8
0
0
1