HD6432621 Hitachi, HD6432621 Datasheet - Page 520
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
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Table 13-12 SCI Interrupt Sources
Channel
0
1
2
Note: * This table shows the initial state immediately after a reset. Relative priorities among
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 have priority for acceptance,
with the result that the TDRE and TEND flags are cleared. Note that the TEI interrupt will not be
accepted in this case.
476
channels can be changed by means of the interrupt controller.
Interrupt
Source
ERI
RXI
TXI
TEI
ERI
RXI
TXI
TEI
ERI
RXI
TXI
TEI
Description
Interrupt due to receive error (ORER, FER,
or PER)
Interrupt due to receive data full state (RDRF)
Interrupt due to transmit data empty state
(TDRE)
Interrupt due to transmission end (TEND)
Interrupt due to receive error (ORER, FER,
or PER)
Interrupt due to receive data full state (RDRF)
Interrupt due to transmit data empty state
(TDRE)
Interrupt due to transmission end (TEND)
Interrupt due to receive error (ORER, FER,
or PER)
Interrupt due to receive data full state (RDRF)
Interrupt due to transmit data empty state
(TDRE)
Interrupt due to transmission end (TEND)
DTC
Activation
Not possible
Possible
Possible
Not possible
Not possible
Possible
Possible
Not possible
Not possible
Possible
Possible
Not possible
Priority*
High
Low
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