Datasheet

Section 5 Interrupt Controller
Rev.7.00 Feb. 14, 2007 page 136 of 1108
REJ09B0089-0700
5.6 DTC Activation by Interrupt
5.6.1 Overview
The DTC can be activated by an interrupt. In this case, the following options are available.
1. Interrupt request to CPU
2. Activation request to DTC
3. Selection of a number of the above
For details of interrupt requests that can be used with to activate the DTC, see section 7, Data
Transfer Controller.
5.6.2 Block Diagram
Figure 5.9 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, I2 to I0
SWDTE
clear signal
Figure 5.9 Interrupt Control for DTC