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SPRS174S – APRIL 2001 – REVISED MARCH 2011
3.6.1
External Interrupts
Table 3-14. External Interrupts Registers
NAME
ADDRESS
0x00 7070
0x00 7071
0x00 7072 – 0x00 7076
0x00 7077
0x00 7078
0x00 7079
0x00 707A – 0x00 707E
0x00 707F
SIZE (x16)
1
1
5
1
1
1
5
1
XNMI counter register
XNMI control register
XINT1 counter register
XINT2 counter register
XINT1 control register
XINT2 control register
DESCRIPTION
XINT1CR
XINT2CR
Reserved
XNMICR
XINT1CTR
XINT2CTR
Reserved
XNMICTR
Each external interrupt can be enabled/disabled or qualified using positive or negative going edge. For
more information, see the
TMS320x281x DSP System Control and Interrupts Reference Guide
(literature
number
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Functional Overview
47
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