h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 586

• 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)
Bit 9—Receive Message Interrupt Mask: Enables or disables message reception interrupt
requests.
Bit 8—Reserved: This bit always reads 0. The write value should always be 0.
Bits 7 to 5, 3, and 2—Reserved: These bits always read 1. The write value should always be 1.
Bit 4—Bus Operation Interrupt Mask: Enables or disables interrupt requests due to bus
operation in sleep mode.
Bit 1—Unread Interrupt Mask: Enables or disables unread receive message overwrite interrupt
requests.
Bit 0—Mailbox Empty Interrupt Mask: Enables or disables mailbox empty interrupt requests.
Rev. 5.00 Sep 22, 2005 page 560 of 1136
REJ09B0257-0500
Bit 9
IMR1
0
1
Bit 4
IMR12
0
1
Bit 1
IMR9
0
1
Bit 0
IMR8
0
1
Description
Message reception interrupt request to CPU by IRR1 enabled
Message reception interrupt request to CPU by IRR1 disabled
Description
Bus operation interrupt request to CPU by IRR12 enabled
Bus operation interrupt request to CPU by IRR12 disabled
Description
Unread message overwrite interrupt request to CPU by IRR9 enabled
Unread message overwrite interrupt request to CPU by IRR9 disabled
Description
Mailbox empty interrupt request to CPU by IRR8 enabled
Mailbox empty interrupt request to CPU by IRR8 disabled
(Initial value)
(Initial value)
(Initial value)
(Initial value)