R8820LV Datasheet, PDF (38/98 Pages) RDC Semiconductor – 16-BIT RISC MICROCONTROLLER

RDC®
RISC DSP Controller
INT4
INT5
INT6
INT0
INTA0
R8820LV
INT1
INTA1
IR7
8259
CAS3-CAS0
IR7
8259
CAS3-CAS0
INT
8259
INTA
CAS3-CAS0
8259
INT
INTA
CAS3-CAS0
Cascade Mode Connection
Interrupt Sources
Interrupt Sources
Interrupt Sources
Interrupt Sources
R8820LV
INT0
INTA0
R8820LV
Select
8259
Cascade
Address Dccode
IRQ
Slave Mode Connection
13.2 Interrupt Vector, Type and Priority
The following table shows the interrupt vector addresses, type and the priority. The maskable interrupt priority can be changed
by programmed the priority register. The Vector addresses for each interrupt are fixed.
Interrupt source
Divide Error Exception
Trace interrupt
NMI
Breakpoint Interrupt
Interrupt Vector EOI
Priority
Note
Type Address Type
00h 00h
1
01h 04h
1-1
*
02h 08h
1-2
*
03h 0Ch
1
RDC Semiconductor Co.
Subject to change without notice
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Rev:1.0