H8S2258 Datasheet, PDF (606/1071 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series

Section 14 IEBus™ Controller (IEB) [H8S/2258 Group]
Initial
Bit Bit Name Value R/W Description
2 TTME
0
R/W Timing Error
Set to 1 if data is not transmitted at the timing specified by
the IEBus protocol during data transmission. The IEB sets
the TxE flag and enters the wait state.
[Setting condition]
When a timing error occurs during data transmission
[Clearing condition]
When writing 0 after reading TTME = 1
1 RO
0
R/W Overflow of Maximum Number of Transmit Bytes in One
Frame
Indicates that the maximum number of bytes defined by
communications mode have been transmitted because a
NAK has been received from the receive unit and
retransmit has been performed, or that transmission has
not been completed because the message length value
exceeds the maximum number of transmit bytes in one
frame. The IEB sets the TxE flag and enters the wait state.
[Setting condition]
When the transmit has not been completed although the
maximum number of bytes defined by communications
mode have been transmitted
[Clearing condition]
When writing 0 after reading RO = 1
Rev. 5.00 Aug 08, 2006 page 520 of 982
REJ09B0054-0500