HD6432646 Hitachi, HD6432646 Datasheet - Page 920

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

886
Bit
Initial value
Read/Write
Note: * Only 1 can be written, to clear the flag.
Bus Operation Interrupt Flag
0
1
CAN bus idle state
[Clearing condition]
Writing 1
CAN bus operation in HCAN sleep mode
[Setting condition]
Bus operation (dominant bit detection) in HCAN sleep mode
Unread Interrupt Flag
—
—
7
0
0
1
[Clearing condition]
Clearing of all bits in UMSR (unread message status register)
Unread message overwrite
[Setting condition]
When UMSR (unread message status register) is set
Mailbox Empty Interrupt Flag
0 [Clearing condition]
1
Writing 1
Transmit message has been transmitted or aborted, and new message
can be stored
[Setting condition]
When TXPR (transmit wait register) is cleared by completion of
transmission or completion of transmission abort
—
—
6
0
—
—
5
0
R/(W)*
IRR12
4
0
—
—
3
0
—
—
2
0
R/(W)*
IRR9
1
0
R/(W)*
IRR8
0
0