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H8S2245 Datasheet(PDF) 505 Page - Renesas Technology Corp

Part # H8S2245
Description  Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
PDF  818 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S2245 Datasheet(HTML) 505 Page - Renesas Technology Corp

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Section 12 Serial Communication Interface (SCI)
Rev.3.00 Mar. 26, 2007 Page 463 of 772
REJ09B0355-0300
Table 12.12 SCI Interrupt Sources
Channel
Interrupt
Source
Description
DTC
Activation
Priority*
0
ERI
Interrupt due to receive error
(ORER, FER, or PER)
Not
possible
High
RXI
Interrupt due to receive data full
state (RDRF)
Possible
TXI
Interrupt due to transmit data empty state
(TDRE)
Possible
TEI
Interrupt due to transmission end (TEND)
Not
possible
1
ERI
Interrupt due to receive error
(ORER, FER, or PER)
Not
possible
RXI
Interrupt due to receive data full
state (RDRF)
Possible
TXI
Interrupt due to transmit data empty
state (TDRE)
Possible
TEI
Interrupt due to transmission end
(TEND)
Not
possible
2
ERI
Interrupt due to receive error
(ORER, FER, or PER)
Not
possible
RXI
Interrupt due to receive data full
state (RDRF)
Possible
TXI
Interrupt due to transmit data empty
state (TDRE)
Possible
TEI
Interrupt due to transmission end
(TEND)
Not
possible
Low
Note:
*
This table shows the initial state immediately after a reset. Relative priorities among
channels can be changed by means of ICR.
A TEI interrupt is requested when the TEND flag is set to 1 while the TEIE bit is set to 1. The
TEND flag is cleared at the same time as the TDRE flag. Consequently, if a TEI interrupt and a
TXI interrupt are requested simultaneously, the TXI interrupt may be accepted first, with the result
that the TDRE and TEND flags are cleared. Note that the TEI interrupt will not be accepted in this
case.



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