h8s-2111b Renesas Electronics Corporation., h8s-2111b Datasheet - Page 120

• Manufacturer Part Number: h8s-2111b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

5.6.4
Table 5.5 shows interrupt response times − the intervals between generation of an interrupt request
and execution of the first instruction in the interrupt handling routine. The execution status
symbols used in table 5.5 are explained in table 5.6.
Table 5.5
Notes: 1. Two states in case of internal interrupt.
Table 5.6
Rev. 1.00, 05/04, page 86 of 544
No. Execution Status
1
2
3
4
5
6
Symbol
Instruction fetch S
Branch address read S
Stack manipulation S
Interrupt priority determination*
Number of wait states until executing
instruction ends*
PC, CCR stack save
Vector fetch
Instruction fetch*
Internal processing*
2. Refers to MULXS and DIVXS instructions.
3. Prefetch after interrupt acceptance and prefetch of interrupt handling routine.
4. Internal processing after interrupt acceptance and internal processing after vector fetch.
Interrupt Response Times
Total (using on-chip memory)
Interrupt Response Times
Number of States in Interrupt Handling Routine Execution Status
I
K
2
3
J
4
1
Object of Access
Internal Memory
1
Normal Mode
2·S
S
11 to 31
I
K
1 to (19 + 2·S
2·S
3
2
Advanced Mode
2·S
2·S
12 to 32
I
K
I
I
)