HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 145
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6432160.pdf
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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 S
Branch address read S
Stack manipulation S
Legend
m:
Interrupt priority determination*
Number of wait states until executing
instruction ends*
PC, CCR stack save
Vector fetch
Instruction fetch*
Internal processing*
Number of wait states in external device access
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
Internal
Memory
1
1
the intervals between generation of an interrupt request
2-State
Access
4
Normal Mode
2·S
S
11 to 31
I
K
8-Bit Bus
Object of Access
3-State
Access
6 + 2m
Rev. 2.0, 08/02, page 105 of 788
External Device
1 to (19 + 2·S
2·S
2-State
Access
2
3
2
Advanced Mode
2·S
2·S
12 to 32
I
K
I
16-Bit Bus
I
)
3-State
Access
3 + m
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