Figure 3-8.Interrupt Operation - Lucent Technologies DSP1617 Information Manual

DSP1611/17/18/27/28/29 DIGITAL SIGNAL PROCESSOR Information Manual
Software Architecture April 1998
3.4 Interrupts
(continued)
3.4.1 Introduction (continued)
Figure 3-8 is a functional block diagram of the interrupt hardware.
IDB
CLEAR BITS
16
16
4—8,11
ONLY
INC REGISTER
INS REGISTER
MASKS
CLEARS
13 13
13
13
TRAP
INTERRUPT
icall
IACK
PROCESSING
HDS trap
VEC[3:0]
5-4115b
Figure 3-8. Interrupt Operation
DRAFT COPY
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