Hitachi H8S/2628 Hardware Manual page 407

Bit Bit Name
12 IRR4
11 IRR3
10 IRR2
9 IRR1
Initial Value R/W
0 R/(W)*
0 R/(W)*
0 R
0 R
Description
Receive Overload Warning Interrupt Flag
Status flag indicating the error warning state
caused by the receive error counter.
[Setting condition]
When REC ≥ 96
[Clearing condition]
•
Writing 1
Transmit Overload Warning Interrupt Flag
Status flag indicating the error warning state
caused by the transmit error counter.
[Setting condition]
• When TEC ≥ 96
[Clearing condition]
•
Writing 1
Remote Frame Request Interrupt Flag
Status flag indicating that a remote frame has been
received in a mailbox (buffer).
[Setting condition]
•
When remote frame reception is completed,
when corresponding MBIMR = 0
[Clearing condition]
•
Clearing of all bits in RFPR (remote request
register)
Receive Message Interrupt Flag
Status flag indicating that a mailbox (buffer) receive
message has been received normally.
[Setting condition]
•
When data frame or remote frame reception is
completed, when corresponding MBIMR = 0
[Clearing condition]
•
Clearing of all bits in RXPR (receive complete
register)
Rev. 1.0, 09/02, page 371 of 568