h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 166

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
5.6.4
Table 5.5 shows interrupt response times
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
No. Execution Status
1
2
3
4
5
6
Notes: 1. Two states in case of internal interrupt.
Table 5.6
Symbol
Instruction fetch
Branch address read
Stack manipulation
Legend:
m: Number of wait states in external device access
Rev. 3.00 Mar 21, 2006 page 112 of 788
REJ09B0300-0300
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
2
3
S
S
S
4
I
J
K
Internal
Memory
1
1
the intervals between generation of an interrupt request
2-State
Access
4
Normal Mode
3
1 to (19 + 2·S
2·S
S
2·S
2
11 to 31
I
K
I
Object of Access
8-Bit Bus
3-State
Access
6 + 2m
External Device
I
)
2-State
Access
2
3
1 to (19 + 2·S
2·S
2
Advanced Mode
2·S
2·S
12 to 32
I
K
I
16-Bit Bus
3-State
Access
3 + m
I
)