Table 11-7. Worst-Case Interrupt Latency When Delivering A Software Interrupt - Intel i960 Jx Developer's Manual

INTERRUPTS

Table 11-7. Worst-Case Interrupt Latency When Delivering a Software Interrupt

Detection
Interrupt Type
NMI
Debounced
Dedicated Mode
XINT[7:0], TINT[1:0]
Debounced
Expanded Mode
Debounced
XINT[7:0], TINT[1:0]
NOTES:
a = MAX (0,N - 7)
b = MAX (0,N - 3.5)
c = MAX (0, N-2.3)
d = N
where "N" is the number of bus cycles needed to perform a word load.
11-40
Vector
80960JA/JF
Caching
Option
Enabled
(Bus Clocks)
Fast Yes
Yes
Yes
Fast
No
Yes
No
Yes
No
Worst Worst
80960JD
Latency Latency
(Bus Clocks)
96 47
97 47
99 48
107+a 53+b
100 48
107+a 53+b
96 48
105+a 53+b
Worst
80960JT (1x)
Latency
(Bus Clocks)
31.7+2c+d
35.7+2c+d
34+2c+d
34.7+3c+d
38+2c+d
38.7+3c+d
38.3+2c+d
39.3+2c+d