h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 188

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
5.7
5.7.1
The DTC can be activated by an interrupt. In this case, the following options are available:
For details of interrupt requests that can be used to activate the DTC, see section 7, Data Transfer
Controller [H8S/2138 Group].
5.7.2
Figure 5.13 shows a block diagram of the DTC and interrupt controller.
Rev. 4.00 Jun 06, 2006 page 134 of 1004
REJ09B0301-0400
Interrupt request to CPU
Activation request to DTC
Both of the above
supporting
interrupt
On-chip
module
IRQ
DTC Activation by Interrupt
Overview
Block Diagram
Interrupt source
clear signal
Interrupt
request
Interrupt controller
Figure 5.13 Interrupt Control for DTC
Selection
DTVECR
DTCER
circuit
Select
signal
clear signal
Clear signal
SWDTE
Determination of
Control logic
priority
CPU interrupt
request vector
number
DTC activation
request vector
number
Clear signal
I, UI
CPU
DTC