h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 584

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 Controller Area Network (HCAN)
15.2.13 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: Enables or disables overload
frame/bus off recovery interrupt requests.
Bit 14—Bus Off Interrupt Mask: Enables or disables bus off interrupt requests caused by the
transmit error counter.
Rev. 5.00 Sep 22, 2005 page 558 of 1136
REJ09B0257-0500
Bit 15
IMR7
0
1
Bit 14
IMR6
0
1
Initial value:
Initial value:
IMR
Description
Overload frame/bus off recovery interrupt request to CPU by IRR7 enabled
Overload frame/bus off recovery interrupt request to CPU by IRR7 disabled
Description
Bus off interrupt request to CPU by IRR6 enabled
Bus off interrupt request to CPU by IRR6 disabled
R/W:
R/W:
Bit:
Bit:
IMR7
R/W
15
—
—
1
7
1
IMR6
R/W
14
—
—
1
6
1
IMR5
R/W
13
—
—
1
5
1
IMR12
IMR4
R/W
R/W
12
1
4
1
IMR3
R/W
11
—
—
1
3
1
IMR2
R/W
10
—
—
1
2
1
IMR1
IMR9
R/W
R/W
9
1
1
1
(Initial value)
(Initial value)
IMR8
R/W
—
—
8
0
0
1