HD6412350 Hitachi, HD6412350 Datasheet - Page 136

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

5.6
5.6.1
The DTC and DMAC 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 or DMAC, see section 8,
Data Transfer Controller, and section 7, DMA Controller.
5.6.2
Figure 5-9 shows a block diagram of the DTC and DMAC interrupt controller.
116
Interrupt request to CPU
Activation request to DTC
Activation request to DMAC
Selection of a number of the above
On-chip
supporting
module
IRQ
interrupt
DTC and DMAC 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
DMAC
Determination of
Control logic
priority
CPU interrupt
request vector
number
DTC activation
request vector
number
Clear signal
I, I2 to I0
CPU
DTC