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Section 5 Interrupt Controller
Table 5.5
Number of Execution States in Interrupt Handling Routine
Symbol
Vector fetch S
h
Instruction fetch S
I
Stack manipulation S
[Legend]
m:
Number of wait cycles in an external device access.
5.6.5
DTC Activation by Interrupt
The DTC can be activated by an interrupt. In this case, the following options are available:
• Interrupt request to the CPU
• Activation request to the DTC
• Combination of the above
For details on interrupt requests that can be used to activate the DTC, see table 5.2 and section 7,
Data Transfer Controller (DTC).
Rev.2.00 Jun. 28, 2007 Page 112 of 666
REJ09B0311-0200
On-Chip
2-State
Memory
Access
1
8
1
4
1
8
K
Object of Access
External Device
8-Bit Bus
3-State
2-State
Access
Access
12 + 4m
4
6 + 2m
2
12 + 4m
4
16-Bit Bus
3-State
Access
6 + 2m
3 + m
6 + 2m
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