D12320VF25IV Datasheet, PDF (172/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 5 Interrupt Controller
5.6.2 Block Diagram
Figure 5.9 shows a block diagram of the DTC, DMAC*, and interrupt controller.
Note: * The DMAC is not supported in the H8S/2321.
DMAC*
Interrupt
request
IRQ
interrupt
Interrupt source
On-chip
clear signal
supporting
module
Selection
circuit
Select
signal
Clear signal
DTCER
DTVECR
SWDTE
clear signal
Control logic
Interrupt controller
Determination of
priority
DTC activation
request vector
number
Clear signal
DTC
CPU interrupt
request vector
number
I, I2 to I0
CPU
Note: * The DMAC is not supported in the H8S/2321.
Figure 5.9 Interrupt Control for DTC and DMAC^*
Rev.6.00 Sep. 27, 2007 Page 140 of 1268
REJ09B0220-0600