Datasheet

Section 5 Interrupt Controller
Rev. 4.00 Sep 27, 2006 page 148 of 1130
REJ09B0327-0400
5.7 DTC Activation by Interrupt
5.7.1 Overview
The DTC can be activated by an interrupt. In this case, the following options are available:
• Interrupt request to CPU
• Activation request to DTC
• Both of the above
For details of interrupt requests that can be used to activate the DTC, see section 7, Data Transfer
Controller (DTC).
5.7.2 Block Diagram
Figure 5.13 shows a block diagram of the DTC and interrupt controller.
Selection
circuit
DTCER
DTVECR
Control logic
Determination of
priority
CPU
DTC
DTC activation
request vector
number
Clear signal
CPU interrupt
request vector
number
Select
signal
Interrupt
request
Interrupt source
clear signal
IRQ
interrupt
On-chip
supporting
module
Clear signal
Interrupt controller
I, UI
SWDTE
clear signal
Figure 5.13 Interrupt Control for DTC