h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 931

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

Bit
Initial value
Read/Write
—
—
Bus Operation Interrupt Mask
7
1
0
1
Bus operation interrupt request to CPU by IRR12 enabled
Bus operation interrupt request to CPU by IRR12 disabled
Unread Interrupt Mask
—
—
0
1
6
1
Unread message overwrite interrupt request to CPU by IRR9 enabled
Unread message overwrite interrupt request to CPU by IRR9 disabled
—
—
5
1
Mailbox Empty Interrupt Mask
IMR12
0
1
R/W
4
1
Mailbox empty interrupt request to CPU by IRR8 enabled
Mailbox empty interrupt request to CPU by IRR8 disabled
Rev. 5.00 Sep 22, 2005 page 905 of 1136
—
—
3
1
Appendix B Internal I/O Register
—
—
2
1
IMR9
R/W
REJ09B0257-0500
1
1
IMR8
R/W
0
1