HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 147
HD6412340
Manufacturer Part Number
HD6412340
Description
H8S/2345 F-ZTAT Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6412340.pdf
(907 pages)
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5.6
5.6.1
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 with to activate the DTC, see section 7, Data
Transfer Controller.
5.6.2
Figure 5.9 shows a block diagram of the DTC interrupt controller.
128
Interrupt request to CPU
Activation request to DTC
Selection of a number of the above
On-chip
supporting
module
IRQ
interrupt
DTC Activation by Interrupt
Overview
Block Diagram
Interrupt source
clear signal
Interrupt
request
Figure 5.9 Interrupt Control for DTC and DMAC
Interrupt controller
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, I2 to I0
DTC
CPU
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