
Section 5 Interrupt Controller (INTC)
Rev. 2.00 Mar 09, 2006 page 193 of 906
REJ09B0292-0200
Table 5.8
Interrupt Response Time
Number of States
Peripheral Module
Item
NMI
IRL/IRQ
A
B
Notes
Compare identified
interrupt priority with SR
mask level
2.0
×
Icyc
0.5
×
Icyc
+ 1.0
×
Ecyc
+ 1.5
×
Pcyc
0.5
×
Icyc
+ 1.0
×
Pcyc
1.0
×
Pcyc
Wait for completion of
sequence currently being
executed by CPU
X (
≥
0)
X (
≥
0)
X (
≥
0)
X (
≥
0)
The longest
sequence is for
interrupt or address-
error exception
handling (X = 4.0
×
Icyc + m1 + m2 +
m3 + m4). If an
interrupt-making
instruction follows,
however, the time
may be even longer
during repeat
instruction
execution
Time from interrupt
exception handling (SR
and PC saves and vector
address fetch) until fetch of
first instruction of exception
service routine starts
5.0
×
Icyc
+ m1 + m2
+ m3
5.0
×
Icyc
+ m1 + m2
+ m3
5.0
×
Icyc
+ m1 + m2
+ m3
5.0
×
Icyc
+ m1 + m2
+ m3
Response time
Total: X + 7.0
×
Icyc
+ m1 + m2
+ m3
X + 5.5
×
Icyc
+ 1.0
×
Ecyc
+ 1.5
×
Pcyc
+ m1 + m2
+ m3
X + 5.5
×
Icyc
+ 1.0
×
Pcyc
+ m1 + m2
+ m3
X + 5.0
×
Icyc
+ 1.0
×
Pcyc
+ m1 + m2
+ m3
Minimum: 10
11
9.5
9
I
φ
:E
φ
:P
φ
= 1:1:1
Maximum: 11 + 2 (m1
+ m2 + m3)
+ m4
19.5 + 2 (m1
+ m2 + m3)
+ m4
13.5 + 2 (m1
+ m2 + m3)
+ m4
13.0 + 2 (m1
+ m2 + m3)
+ m4
I
φ
:E
φ
:P
φ
= 1:1/4:1/4
Notes: m1–m4 are the number of states needed for the following memory accesses
m1: SR save (longword write)
m2: PC save (longword write)
m3: Vector address read (longword read)
m4: Fetch of first instruction of interrupt service routine
Icyc: I
φ
cycle time
Ecyc: E
φ
cycle time
Pcyc: P
φ
cycle time
Peripheral modules A: DMAC, REF (BSC)
Peripheral modules B: WDT, FRT, TPU, SCIF, SIOF, SIO, E-DMAC
Summary of Contents for SH7616
Page 10: ...Rev 2 00 Mar 09 2006 page x of xxvi ...
Page 132: ...Section 2 CPU Rev 2 00 Mar 09 2006 page 106 of 906 REJ09B0292 0200 ...
Page 568: ...Section 12 16 Bit Free Running Timer FRT Rev 2 00 Mar 09 2006 page 542 of 906 REJ09B0292 0200 ...
Page 582: ...Section 13 Watchdog Timer WDT Rev 2 00 Mar 09 2006 page 556 of 906 REJ09B0292 0200 ...
Page 706: ...Section 16 Serial I O SIO Rev 2 00 Mar 09 2006 page 680 of 906 REJ09B0292 0200 ...
Page 820: ...Section 19 Pin Function Controller PFC Rev 2 00 Mar 09 2006 page 794 of 906 REJ09B0292 0200 ...
Page 932: ...Appendix D Package Dimensions Rev 2 00 Mar 09 2006 page 906 of 906 REJ09B0292 0200 ...
Page 935: ...SH7616 Hardware Manual ...